Ford Explorer Quiz
Electrical

Diagnosis and Testing - Interior Lighting

In this manual: Electrical
General Information — 41Chassis — 173Powertrain — 250Electrical — 303Body and Paint — 331
~57min read

Diagnostic Trouble Code (DTC) Chart

The diagnosis in this manual assumes a certain level of skill and knowledge of Ford-approved diagnostic procedures.
REFER TO: Diagnostic Methods (100-00 General Information, Description and Operation).


Diagnostic Trouble Code Chart


Module Trouble Code Description Action
BCM B1175:01 Driver ajar door switch: general electrical malfunction If the dome lamps are on continuously, GO to Pinpoint Test C.
BCM B1175:01 Driver ajar door switch: general electrical malfunction If the dome lamps do not operate, GO to Pinpoint Test A.
BCM B1176:01 Passenger ajar door switch: general electrical malfunction If the dome lamps are on continuously, GO to Pinpoint Test C.
BCM B1176:01 Passenger ajar door switch: general electrical malfunction If the dome lamps do not operate, GO to Pinpoint Test A.
BCM B11C0:01 Driver Side Rear Door Ajar Switch: General Electrical Failure If the dome lamps are on continuously, GO to Pinpoint Test C.
BCM B11C0:01 Driver Side Rear Door Ajar Switch: General Electrical Failure If the dome lamps do not operate, GO to Pinpoint Test A.
BCM B11C1:01 Passenger Side Rear Door Ajar Switch: General Electrical Failure If the dome lamps are on continuously, GO to Pinpoint Test C.
BCM B11C1:01 Passenger Side Rear Door Ajar Switch: General Electrical Failure If the dome lamps do not operate, GO to Pinpoint Test A.
BCM B12C2:11 Puddle lamp: short to ground GO to Pinpoint Test B
BCM B12C2:15 Puddle lamp: short to battery or open circuit If the illuminated sill panels are always on, GO to Pinpoint Test D.
BCM B12C2:15 Puddle lamp: short to battery or open circuit If one or both illuminated sill panels do not work, GO to Pinpoint Test B.
BCM B1306:01 Rear Door Ajar Switch: General Electrical Failure If the dome lamps are on continuously, GO to Pinpoint Test C.
BCM B1306:01 Rear Door Ajar Switch: General Electrical Failure If the dome lamps do not work, GO to Pinpoint Test J.
BCM B1313:11 Interior Lamps Output: Short to Ground GO to Pinpoint Test B
BCM B1313:15 Interior Lamp Output: Short to Battery or Open Circuit If the dome lamps are on all the time, GO to Pinpoint Test D.
BCM B1313:15 Interior Lamp Output: Short to Battery or Open Circuit If the dome lamps do not work, GO to Pinpoint Test B.
BCM B145K:11 Exterior Lamp Power Supply Output: Short to Ground GO to Pinpoint Test H
BCM B145K:15 Ambient Lighting Power Supply Output: Short to Battery or Open GO to Pinpoint Test H
BCM B1465:00 Ambient Lighting Bus 1: No Subtype Information If all ambient lighting does not work, is always on, or does not change color/intensity, GO to Pinpoint Test H.
BCM B1465:00 Ambient Lighting Bus 1: No Subtype Information If one or more Light Emitting Diodes (LED) ambient lighting elements do not work or do not change color/intensity, GO to Pinpoint Test I.
BCM B1465:96 Ambient Lighting Bus 1: Internal Component Failure If all ambient lighting does not work, is always on, or does not change color/intensity, GO to Pinpoint Test H.
BCM B1465:96 Ambient Lighting Bus 1: Internal Component Failure If one or more Light Emitting Diodes (LED) ambient lighting elements do not work or do not change color/intensity, GO to Pinpoint Test I.
BCM B1467:00 Ambient Lighting Bus 3: No Subtype Information If all ambient lighting does not work, is always on, or does not change color/intensity, GO to Pinpoint Test H.
BCM B1467:00 Ambient Lighting Bus 3: No Subtype Information If one or more Light Emitting Diodes (LED) ambient lighting elements do not work or do not change color/intensity, GO to Pinpoint Test I.
BCM B1467:96 Ambient Lighting Bus 3: Internal Component Failure If all ambient lighting does not work, is always on, or does not change color/intensity, GO to Pinpoint Test H.
BCM B1467:96 Ambient Lighting Bus 3: Internal Component Failure If one or more Light Emitting Diodes (LED) ambient lighting elements do not work or do not change color/intensity, GO to Pinpoint Test I.
BCM B14AA:11 Demand Lamp Output: Short to Ground GO to Pinpoint Test E
BCM B14AA: 15 Courtesy Lamp Request Output: Short to Battery or Open Circuit GO to Pinpoint Test E
BCM B153K:11 Output Color Ambient Light: Circuit Short to Ground GO to Pinpoint Test H
BCM B153K: 15 Output Color Ambient Light: Short to Battery or Open Circuit GO to Pinpoint Test H
DDM B1165:11 Left Front Puddle Lamp Output: Short to Ground GO to Pinpoint Test G
DDM B1165:15 Left Front Puddle Lamp Output: Short to Battery or Open GO to Pinpoint Test G
PDM B1166:11 Right Front Puddle Lamp Output: Short to Ground GO to Pinpoint Test G
PDM B1166:15 Right Front Puddle Lamp Output: Short to Battery or Open GO to Pinpoint Test G
RKE B1306:11 Liftgate Ajar Switch: Short to Ground GO to Pinpoint Test J
RKE B1306:12 Rear Door Ajar Switch: Short to Battery GO to Pinpoint Test C

Symptom Chart

The diagnosis in this manual assumes a certain level of skill and knowledge of Ford-approved diagnostic procedures.
REFER TO: Diagnostic Methods (100-00 General Information, Description and Operation).

Symptom Chart: Interior Lighting


Condition Possible Sources Action
Module Does Not Respond to Scan Tool
  • Fuse
  • Wiring, Terminals or Connectors
  • Module
REFER TO: Communication Network (418-00 Communication Network, Diagnosis and Testing).
All Dome Lamps Are Not On Steady - Police Vehicles Only Police Silent Mode Active For vehicles equipped with police package, when Police Silent Mode is activated through the Instrument Cluster (IPC) message center, the dome lamps will not illuminate. Operation of the dome lamps will return to normal after Police Silent Mode is deactivated. For more information on the Police Silent Mode function, activation and deactivation,
REFER TO: Instrument Cluster (IPC) - System Operation and Component Description (413-01 Instrumentation, Message Center and Warning Chimes, Description and Operation).
Lamps Do Not Illuminate When Door Is Open Refer to Pinpoint Test GO to Pinpoint Test A
One or More Interior Lamps Inoperative Refer to Pinpoint Test GO to Pinpoint Test B
Lamps Do Not Illuminate When Luggage Compartment Door Is Open Refer to Pinpoint Test GO to Pinpoint Test J
Puddle lamp does not work or is on steady Refer to Pinpoint Test GO to Pinpoint Test G
All Lamps Stay On Refer to Pinpoint Test GO to Pinpoint Test C
Interior Lamps Stay On Refer to Pinpoint Test GO to Pinpoint Test D
One or More Courtesy Lamps Inoperative Refer to Pinpoint Test GO to Pinpoint Test E
Battery Saver Does Not Turn Off After Timeout Refer to Pinpoint Test GO to Pinpoint Test F
Ambient Lighting Inoperative or Always On Refer to Pinpoint Test GO to Pinpoint Test H
One or more Light Emitting Diode (LED) ambient lighting sources do not work or do not change color/intensity Refer to Pinpoint Test GO to Pinpoint Test I

Pinpoint Tests


DIAGNOSTIC TEST A: DOME LAMPS DO NOT ILLUMINATE WITH DOOR OPEN

For wiring diagrams and connector information, refer to Wiring Diagrams Cell 117.

Normal Operation and Fault Symptoms

REFER TO: Interior Lighting System Operation and Component Description (417-02 Interior Lighting, Description and Operation).

DTC Fault Trigger Conditions

Trouble Code Description Fault Trigger Condition
BCM B1175:01 Driver Door Ajar Switch: General Electrical Failure On-demand Diagnostic Trouble Code (DTC) that is set when the BCM detects a malfunction in the left front door ajar switch circuit.
BCM B1176:01 Passenger Door Ajar Switch: General Electrical Failure On-demand DTC that is set when the BCM detects a malfunction in the right front door ajar switch circuit.
BCM B11C0:01 Driver Side Rear Door Ajar Switch: General Electrical Failure On-demand DTC that is set when the BCM detects a malfunction in the left rear door ajar switch circuit.
BCM B11C1:01 Passenger Side Rear Door Ajar Switch: General Electrical Failure On-demand DTC that is set when the BCM detects a malfunction in the right rear door ajar switch circuit.

Possible Sources

  • Wiring, Terminals or Connectors
  • Door Latch
  • BCM
NOTE: Make sure the Dark Vehicle feature is not enabled in the BCM. The Dark Vehicle feature disables the dome lamps from illuminating due to a door unlock, an open door, or key removal from the ignition. This feature can be disabled using a scan tool.
A1 CHECK THE DOOR AJAR SWITCH OPERATION
  • Disconnect the suspect door latch.

Does the indicator illuminate?
Yes For the front door, INSTALL a new front door latch.
REFER TO: Front Door Latch (501-14 Handles, Locks, Latches and Entry Systems, Removal and Installation). For the rear door, INSTALL a new rear door latch.
REFER TO: Rear Door Latch (501-14 Handles, Locks, Latches and Entry Systems, Removal and Installation).
No GO to A2
A2 CHECK THE DOOR AJAR SWITCH INPUT CIRCUIT FOR A SHORT TO GROUND
  • Disconnect the C2280E connector.
  • Action:
    Click to display the connectors

    Left Front Door Ajar Switch


    Positive lead Measurement/Action Negative lead
    C525-4 Ground

    Click to display the connectors

    Right Front Door Ajar Switch


    Positive lead Measurement/Action Negative lead
    C603-3 Ground

    Click to display the connectors

    Left Rear Door Ajar Switch


    Positive lead Measurement/Action Negative lead
    C704-4 Ground

    Click to display the connectors

    Right Rear Door Ajar Switch


    Positive lead Measurement/Action Negative lead
    C804-3 Ground

Is the resistance greater than 10000 Ohms?
Yes GO to A3
No REPAIR the circuit.
A3 CHECK THE BCM (BODY CONTROL MODULE) OPERATION
  • Disconnect and inspect all BCM connectors and the corresponding inline connectors.
  • Repair:
    • corrosion (install new connector or terminals - clean module pins)
    • damaged or bent pins - install new terminals/pins
    • backed-out pins - install new pins as necessary
  • Connect the BCM connectors and the corresponding inline connectors. Make sure they are installed and locked correctly.
  • Operate the system and determine if the concern is still present.

Is the concern still present?
Yes CHECK OASIS for any applicable service information: TSB, GSB, SSM or FSA. If a service article exists for this concern, STOP this test and FOLLOW the service article instructions. If no service article exists, INSTALL a new BCM.
REFER TO: Body Control Module (BCM) (419-10 Multifunction Electronic Modules, Removal and Installation).
No The system is currently operating correctly. The concern may have been caused by module connections. ADDRESS the root cause of any connector or terminal concerns. CLEAR the diagnostic trouble codes (DTCs).
DIAGNOSTIC TEST B: ONE OR MORE INTERIOR LAMPS DO NOT OPERATE

Refer to Wiring Diagrams, Cell 89, for schematic and connector information.

Normal Operation and Fault Symptoms

REFER TO: Interior Lighting System Operation and Component Description (417-02 Interior Lighting, Description and Operation).

DTC Fault Trigger Conditions

Trouble Code Description Fault Trigger Condition
BCM B12C2:11 Puddle Lamp: Short to Ground Continuous memory and on-demand DTC that is set when the BCM detects a short to ground in the sill panel lighting output circuit.
BCM B12C2:15 Puddle lamp: short to battery or open circuit Continuous memory and on-demand DTC that is set when the BCM detects an open or a short to voltage in the sill panel lighting output circuit.
BCM B1313:11 Interior Lamp Output: Short to Ground Continuous memory and on-demand DTC that is set when the BCM detects a short to ground in the interior lamp output circuit.
BCM B1313:15 Interior Lamp Output: Short to Battery or Open Circuit Continuous memory and on-demand DTC that is set when the BCM detects an open or a short to battery voltage in the interior lamp output circuit.

Possible Sources

  • Wiring, Terminals or Connectors
  • Courtesy Lamp
  • BCM
NOTE: Make sure the Dark Vehicle feature is not enabled in the BCM. The Dark Vehicle feature disables the dome lamps from illuminating due to a door unlock, an open door, or key removal from the ignition. This feature can be disabled using a scan tool.
B1 CHECK THE OPERATION OF ALL COURTESY LAMPS
  • Open the door and observe the courtesy lamps.

Are all courtesy lamps inoperative?
Yes GO to Pinpoint Test A
No If only one illuminated sill panel does not work, GO to B2.
If both illuminated sill panels do not work, GO to B4.
If only the front courtesy lamp does not work, INSTALL a new overhead console.
REFER TO: Overhead Console (501-12 Instrument Panel and Console, Removal and Installation). If all overhead courtesy and cargo lamps do not work, GO to B6.
If one overhead courtesy or cargo lamp does not work, GO to B11.
If all overhead courtesy and cargo lamps do not work, GO to B13.
B2 CHECK THE ILLUMINATED SILL PANEL VOLTAGE
  • Close the door.
  • Disconnect the non-working LH sill panel C3369 or RH sill panel C3370.
  • The ignition is on.
  • Open the door.
  • Action:
    Click to display the connectors

    LH sill panel lamp


    Positive lead Measurement/Action Negative lead
    C3369-1 Ground

    Click to display the connectors

    RH sill panel lamp


    Positive lead Measurement/Action Negative lead
    C3370-1 Ground

Is the voltage greater than 11 volts?
Yes GO to B3
No REPAIR the circuit.
B3 CHECK THE ILLUMINATED SILL PANEL GROUND CIRCUIT
  • Action:
    Click to display the connectors

    LH sill panel lamp


    Positive lead Measurement/Action Negative lead
    C3369-1 C3369-2

    Click to display the connectors

    RH sill panel lamp


    Positive lead Measurement/Action Negative lead
    C3370-1 C3370-2

Is the voltage greater than 11 volts?
Yes INSTALL a new illuminated sill panel.
No REPAIR the circuit.
B4 CHECK THE ILLUMINATED SILL PANEL VOLTAGE SUPPLY CIRCUIT FOR AN OPEN
  • Close the door.
  • Disconnect the LH sill panel C3369 and RH sill panel C3370.
  • Disconnect C2280C.
  • Action:
    Click to display the connectors

    LH sill panel lamp


    Positive lead Measurement/Action Negative lead
    C3369-1 C2280C-26

Is the resistance less than 3 ohms?
Yes GO to B5
No REPAIR the circuit.
B5 CHECK THE ILLUMINATED SILL PANEL LAMP OUTPUT CIRCUIT FOR A SHORT TO GROUND
  • Action:
    Click to display the connectors

    LH sill panel lamp


    Positive lead Measurement/Action Negative lead
    C3369-1 Ground

Is the resistance greater than 10000 Ohms?
Yes GO TO B16
No REPAIR the circuit. After the repair:
If no diagnostic trouble codes (DTCs) are present, CHECK the system for normal operation.
If DTC U1000:00 is present, CLEAR the DTCs and REPEAT the self-test (required to enable the lamp output driver if DTC U1000:00 is present).
If DTC U3000:49 is present, INSTALL a new BCM after all other DTCs have been resolved.
REFER TO: Body Control Module (BCM) (419-10 Multifunction Electronic Modules, Removal and Installation).
B6 CHECK THE FRONT DOME LAMP VOLTAGE
  • Close the door.
  • Disconnect the overhead console C930.
  • The ignition is on.
  • Open the door.
  • Action:
    Click to display the connectors
    Positive lead Measurement/Action Negative lead
    C930-10 Ground

Is the voltage greater than 11 volts?
Yes GO to B7
No GO to B8
B7 CHECK THE OVERHEAD CONSOLE GROUND CIRCUIT
  • Action:
    Click to display the connectors
    Positive lead Measurement/Action Negative lead
    C930-10 C930-6

Is the voltage greater than 11 volts?
Yes INSTALL a new overhead console.
REFER TO: Overhead Console (501-12 Instrument Panel and Console, Removal and Installation).
No REPAIR the overhead console ground circuit.
B8 REPEAT THE ON-DEMAND SELF-TEST AND CHECK THE FRONT DOME LAMP VOLTAGE
  • Using a scan tool, perform the BCM self-test.
  • Clear the diagnostic trouble codes (DTCs) and repeat the self-test (required to enable the lamp output driver if DTC U1000:00 is present).
  • Action:
    Click to display the connectors
    Positive lead Measurement/Action Negative lead
    C930-10 Ground

Is the voltage greater than 11 volts?
Yes INSTALL a new overhead console.
REFER TO: Overhead Console (501-12 Instrument Panel and Console, Removal and Installation).
No GO to B9
B9 CHECK THE BCM (BODY CONTROL MODULE) LAMP OUTPUT CIRCUIT FOR A SHORT TO GROUND
  • Disconnect C2280B.
  • Disconnect C2280C.
  • Action:
    Click to display the connectors
    Positive lead Measurement/Action Negative lead
    C930-10 Ground

Is the resistance greater than 10000 Ohms?
Yes GO to B10
No REPAIR the circuit. After the repair:
If no diagnostic trouble codes (DTCs) are present, CHECK the system for normal operation.
If DTC U1000:00 is present, CLEAR the DTCs and REPEAT the self-test (required to enable the lamp output driver if DTC U1000:00 is present).
If DTC U3000:49 is present, INSTALL a new BCM after all other DTCs have been resolved.
REFER TO: Body Control Module (BCM) (419-10 Multifunction Electronic Modules, Removal and Installation).
B10 CHECK THE BCM (BODY CONTROL MODULE) LAMP OUTPUT CIRCUIT FOR AN OPEN
  • Action:
    Click to display the connectors
    Positive lead Measurement/Action Negative lead
    C930-10 C2280B-13
    C930-10 C2280C-13

Is the resistance less than 3 ohms?
Yes GO TO B16
No REPAIR the circuit.
B11 CHECK THE REAR DOME LAMP VOLTAGE
  • Close the door.
  • Disconnect the non-working LH second row interior lamp C963.
  • Disconnect the non-working RH second row interior lamp C964.
  • Disconnect the non-working third row interior lamp C9054.
  • Disconnect the non-working cargo lamp C489.
  • The ignition is on.
  • Action:
    Click to display the connectors

    LH second row interior lamp


    Positive lead Measurement/Action Negative lead
    C963-1 Ground

    Click to display the connectors

    Right second-row interior lamp


    Positive lead Measurement/Action Negative lead
    C964-1 Ground

    Click to display the connectors

    Third row interior lamp


    Positive lead Measurement/Action Negative lead
    C9054-1 Ground

    Click to display the connectors

    Cargo Lamp


    Positive lead Measurement/Action Negative lead
    C489-1 Ground

Is the voltage greater than 11 volts?
Yes GO to B12
No REPAIR the circuit.
B12 CHECK THE REAR DOME LAMP GROUND CIRCUIT
  • Action:
    Click to display the connectors

    LH second row interior lamp


    Positive lead Measurement/Action Negative lead
    C963-1 C963-3

    Click to display the connectors

    Right second-row interior lamp


    Positive lead Measurement/Action Negative lead
    C964-1 C964-3

    Click to display the connectors

    Third row interior lamp


    Positive lead Measurement/Action Negative lead
    C9054-1 C9054-3

    Click to display the connectors

    Cargo Lamp


    Positive lead Measurement/Action Negative lead
    C489-1 C489-3

Is the voltage greater than 11 volts?
Yes GO to B13
No REPAIR the circuit.
B13 CHECK THE REAR DOME LAMP CONTROL CIRCUIT FOR A SHORT TO VOLTAGE
  • Ignition OFF.
  • Disconnect the overhead console C930.
  • Disconnect the LH second row interior lamp C963.
  • Disconnect the RH second row interior lamp C964.
  • Disconnect the third row interior lamp C9054.
  • Disconnect the cargo lamp C489.
  • The ignition is on.
  • Action:
    Click to display the connectors
    Positive lead Measurement/Action Negative lead
    C930-3 Ground

Is there voltage present?
Yes REPAIR the circuit.
No GO to B14
B14 CHECK THE REAR DOME LAMP CONTROL CIRCUIT FOR AN OPEN
  • Ignition OFF.
  • Action:
    Click to display the connectors

    LH second row interior lamp


    Positive lead Measurement/Action Negative lead
    C963-2 C930-3

    Click to display the connectors

    Right second-row interior lamp


    Positive lead Measurement/Action Negative lead
    C964-2 C930-3

    Click to display the connectors

    Third row interior lamp


    Positive lead Measurement/Action Negative lead
    C9054-2 C930-3

    Click to display the connectors

    Cargo Lamp


    Positive lead Measurement/Action Negative lead
    C489-2 C930-3

Is the resistance less than 3 ohms?
Yes GO TO B15
No REPAIR the circuit.
B15 CHECK THE REAR DOME LAMP CONTROL CIRCUIT FOR A SHORT TO GROUND
  • Ignition OFF.
  • Action:
    Click to display the connectors
    Positive lead Measurement/Action Negative lead
    C930-3 Ground

Is the resistance greater than 10000 Ohms?
Yes If all rear courtesy and cargo lamps do not work, INSTALL a new overhead console.
REFER TO: Overhead Console (501-12 Instrument Panel and Console, Removal and Installation). If only one rear courtesy or cargo lamp does not work, INSTALL a new lamp.
No REPAIR the circuit.
B16 CHECK THE BCM (BODY CONTROL MODULE) OPERATION
  • Disconnect and inspect all BCM connectors and the corresponding inline connectors.
  • Repair:
    • corrosion (install new connector or terminals - clean module pins)
    • damaged or bent pins - install new terminals/pins
    • backed-out pins - install new pins as necessary
  • Connect the BCM connectors and the corresponding inline connectors. Make sure they are installed and locked correctly.
  • Operate the system and determine if the concern is still present.

Is the concern still present?
Yes CHECK OASIS for any applicable service information: TSB, GSB, SSM or FSA. If a service article exists for this concern, STOP this test and FOLLOW the service article instructions. If no service article exists, INSTALL a new BCM.
REFER TO: Body Control Module (BCM) (419-10 Multifunction Electronic Modules, Removal and Installation).
No The system is currently operating correctly. The concern may have been caused by module connections. ADDRESS the root cause of any connector or terminal concerns. CLEAR the diagnostic trouble codes (DTCs).
PINPOINT TEST C: ALL LAMPS REMAIN ON CONTINUOUSLY.

For wiring diagrams and connector information, refer to Wiring Diagrams Cell 117.

Normal Operation and Fault Symptoms

REFER TO: Interior Lighting System Operation and Component Description (417-02 Interior Lighting, Description and Operation).

DTC Fault Trigger Conditions

Trouble Code Description Fault Trigger Condition
BCM B1175:01 Driver Door Ajar Switch: General Electrical Failure On-demand Diagnostic Trouble Code (DTC) that is set when the BCM detects a malfunction in the left front door ajar switch circuit.
BCM B1176:01 Passenger Door Ajar Switch: General Electrical Failure On-demand DTC that is set when the BCM detects a malfunction in the right front door ajar switch circuit.
BCM B11C0:01 Driver Side Rear Door Ajar Switch: General Electrical Failure On-demand DTC that is set when the BCM detects a malfunction in the left rear door ajar switch circuit.
BCM B11C1:01 Passenger Side Rear Door Ajar Switch: General Electrical Failure On-demand DTC that is set when the BCM detects a malfunction in the right rear door ajar switch circuit.
BCM B1306:01 Rear Door Ajar Switch: General Electrical Failure Continuous memory and on-demand DTC that sets when the BCM detects a fault in the liftgate ajar switch circuit.
RGTM B1306:12 Rear Door Ajar Switch: Short to Battery Continuous memory and on-demand DTC that sets when the RGTM detects a short to voltage in the liftgate ajar switch output circuit.

Possible Sources

  • Wiring, Terminals or Connectors
  • Ajar Switch
  • Door or Latch Alignment
  • BCM
C1 CHECK THE DOOR AJAR SWITCH PARAMETER IDENTIFICATION (PIDS)
  • The ignition is on.
  • Using the diagnostic scan tool, view the BCM parameter identification (PID) data.
  • Monitor the following BCM parameter identifications (PIDs) while opening and closing all doors and the liftgate.

    • Access the BCM and monitor the DOOR_SW_DRVR PID

    • Access the BCM and monitor the DOOR_SW_PSGR PID

    • Access the BCM and monitor the DOOR_SW_LR PID

    • Access the BCM and monitor the DOOR_SW_RR PID

    • Access the BCM and monitor the DOOR_SW_LUGG PID


Do all the door ajar switch PID values match the door and liftgate positions?
Yes For interior lamps and dome lamps (vehicles without memory mirrors), GO to Pinpoint Test D.
For puddle lamps (vehicles with memory mirrors), GO to Pinpoint Test G.
No GO to C2
C2 CHECK DOOR, LATCH AND STRIKER ALIGNMENT
  • Inspect the door, latch and striker.

Are the door, latch and striker aligned correctly?
Yes GO to C3
No ALIGN the door, latch or striker.
C3 BYPASS SUSPECTED DOOR LATCH
  • Disconnect the suspect door latch.
  • Install the fused jumper wire:
    Click to display connectors

    Left Front Door Ajar Switch


    Positive lead Measurement/Action Negative lead
    C525-4 C525-3

    Click to display the connectors

    Right Front Door Ajar Switch


    Positive lead Measurement/Action Negative lead
    C603-3 C603-4

    Click to display the connectors

    Left Rear Door Ajar Switch


    Positive lead Measurement/Action Negative lead
    C704-4 C704-3

    Click to display the connectors

    Right Rear Door Ajar Switch


    Positive lead Measurement/Action Negative lead
    C804-3 C804-4

    Click to display the connectors

    Liftgate ajar switch (except liftgate with power release)


    Positive lead Measurement/Action Negative lead
    C457-1 C457-5

    Click to display the connectors

    Liftgate ajar switch (with power liftgate)


    Positive lead Measurement/Action Negative lead
    C4174A-21 C4174A-14
  • Using the diagnostic scan tool, view the BCM parameter identification (PID) data.
  • Monitor the following BCM parameter identifications (PIDs) while opening and closing all doors and the liftgate.

    • Access the BCM and monitor the DOOR_SW_DRVR PID

    • Access the BCM and monitor the DOOR_SW_PSGR PID

    • Access the BCM and monitor the DOOR_SW_LR PID

    • Access the BCM and monitor the DOOR_SW_RR PID

    • Access the BCM and monitor the DOOR_SW_LUGG PID


Does the PID indicate that the liftgate or the door in question is closed?
Yes REMOVE the fuse link.
For manual liftgate, INSTALL a new manual liftgate latch.
REFER to: Liftgate Latch (501-14 Handles, Locks, Latches and Entry Systems, Removal and Installation). For power liftgate, GO to C6.
For doors, inspect the suspected door latch connectors for damage. Connect the door latch connectors and make sure they are seated and locked. If the concern persists, replace the door latch.
For front door,
REFER to: Front Door Latch (501-14 Handles, Locks, Latches and Entry Systems, Removal and Installation). For rear door,
REFER to: Rear Door Latch (501-14 Handles, Locks, Latches and Entry Systems, Removal and Installation).
No REMOVE the fuse link.
To open the power liftgate, GO to C5.
For all others, GO to C4.
C4 BYPASS DOOR LATCH GROUND CIRCUIT
  • Install the fused jumper wire:
    Click to display connectors

    Left Front Door Ajar Switch


    Positive lead Measurement/Action Negative lead
    C525-4 Ground

    Click to display the connectors

    Right Front Door Ajar Switch


    Positive lead Measurement/Action Negative lead
    C603-3 Ground

    Click to display the connectors

    Left Rear Door Ajar Switch


    Positive lead Measurement/Action Negative lead
    C704-4 Ground

    Click to display the connectors

    Right Rear Door Ajar Switch


    Positive lead Measurement/Action Negative lead
    C804-3 Ground

    Click to display the connectors

    Liftgate ajar switch (except liftgate with power release)


    Positive lead Measurement/Action Negative lead
    C457-1 Ground
  • Monitor the following BCM parameter identifications (PIDs) while opening and closing all doors and the liftgate.

    • Access the BCM and monitor the DOOR_SW_DRVR PID

    • Access the BCM and monitor the DOOR_SW_PSGR PID

    • Access the BCM and monitor the DOOR_SW_LR PID

    • Access the BCM and monitor the DOOR_SW_RR PID

    • Access the BCM and monitor the DOOR_SW_LUGG PID


Does the PID indicate that the liftgate or the door in question is closed?
Yes REMOVE the fused jumper wire. CHECK the ground circuit for an open.
No REMOVE the fusible link. GO to C5.
C5 CHECK THE INPUT CIRCUIT OF THE SUSPECTED LIFTGATE AJAR SWITCH FOR AN OPEN
  • Disconnect the C2280E connector.
  • Action:
    Click to display the connectors

    Left Front Door Ajar Switch


    Positive lead Measurement/Action Negative lead
    C525-4 C2280E-33

    Click to display the connectors

    Right Front Door Ajar Switch


    Positive lead Measurement/Action Negative lead
    C603-3 C2280E-21

    Click to display the connectors

    Left Rear Door Ajar Switch


    Positive lead Measurement/Action Negative lead
    C704-4 C2280E-46

    Click to display the connectors

    Right Rear Door Ajar Switch


    Positive lead Measurement/Action Negative lead
    C804-3 C2280E-19

    Click to display the connectors

    Liftgate ajar switch (except liftgate with power release)


    Positive lead Measurement/Action Negative lead
    C457-1 C2280E-34

    Click to display the connectors

    Liftgate ajar switch (with power liftgate)


    Positive lead Measurement/Action Negative lead
    C4174A-21 C2280E-34

Is the resistance less than 3 ohms?
Yes GO TO C7
No REPAIR the faulty door ajar switch input circuit.
C6 CHECK RGTM (REAR GATE TAILGATE MODULE) OPERATION
  • Disconnect and inspect all RGTM connectors and the related inline connectors.
  • Repair:
    • corrosion (install new connector or terminals - clean module pins)
    • damaged or bent pins - install new terminals/pins
    • backed-out pins - install new pins as necessary
  • Reconnect the RGTM connectors and the related inline connectors. Make sure they are installed and locked correctly.
  • Operate the system and determine if the concern is still present.

Is the concern still present?
Yes CHECK OASIS for any applicable service articles: TSB, GSB, SSM or FSA. If a service article exists for this concern, STOP this test and FOLLOW the service article instructions. If no service articles are found, INSTALL a new RGTM.
REFER TO: Liftgate Latch Module (RGTM) (501-03 Body Locks, Removal and Installation).
No The system is currently operating correctly. The concern may have been caused by module connections. ADDRESS the root cause of any connector or terminal concerns. CLEAR the diagnostic trouble codes (DTCs).
C7 CHECK THE BCM (BODY CONTROL MODULE) FOR PROPER OPERATION
  • Disconnect and inspect all BCM connectors and the corresponding inline connectors.
  • Repair:
    • corrosion (install new connector or terminals - clean module pins)
    • damaged or bent pins - install new terminals/pins
    • backed-out pins - install new pins as necessary
  • Connect the BCM connectors and the corresponding inline connectors. Make sure they are installed and locked correctly.
  • Operate the system and determine if the concern is still present.

Is the concern still present?
Yes CHECK OASIS for any applicable service information: TSB, GSB, SSM or FSA. If a service article exists for this concern, STOP this test and FOLLOW the service article instructions. If no service article exists, INSTALL a new BCM.
REFER TO: Body Control Module (BCM) (419-10 Multifunction Electronic Modules, Removal and Installation).
No The system is currently operating correctly. The concern may have been caused by module connections. ADDRESS the root cause of any connector or terminal concerns. CLEAR the diagnostic trouble codes (DTCs).
PINPOINT TEST D: INTERIOR DOME LAMPS REMAIN ON CONTINUOUSLY

Refer to Wiring Diagrams, Cell 89, for schematic and connector information.

Normal Operation and Fault Symptoms

REFER TO: Interior Lighting System Operation and Component Description (417-02 Interior Lighting, Description and Operation).

DTC Fault Trigger Conditions

Trouble Code Description Fault Trigger Condition
BCM B1313:15 Interior Lamp Output: Short to Battery or Open Circuit Continuous memory and on-demand DTC that is set when the BCM detects an open or a short to battery voltage in the interior lamp output circuit.
BCM B12C2:15 Puddle lamp: short to battery or open circuit Continuous memory and on-demand DTC that is set when the BCM detects an open or short to battery voltage in the rocker panel illumination output circuit.

Possible Sources

  • Wiring, Terminals or Connectors
  • Courtesy Lamp
  • BCM
D1 CHECK THE DOOR AJAR SWITCH PARAMETER IDENTIFICATION (PIDS)
  • The ignition is on.
  • Using the diagnostic tool, monitor the BCM parameter identifications (PIDs).
  • Monitor the following BCM parameter identifications (PIDs) while opening and closing all doors and the liftgate.

    • Access the BCM and monitor the DOOR_SW_DRVR PID

    • Access the BCM and monitor the DOOR_SW_PSGR PID

    • Access the BCM and monitor the DOOR_SW_LR PID

    • Access the BCM and monitor the DOOR_SW_RR PID

    • Access the BCM and monitor the DOOR_SW_LUGG PID


Do all the door ajar switch PID values match the door positions?
Yes GO to D2
No GO to Pinpoint Test C
D2 BCM (BODY CONTROL MODULE) ISOLATION
  • Ignition OFF.
  • Disconnect C2280C.
  • The ignition is on.

Do the courtesy lamps remain on?
Yes REPAIR the circuit for a short to battery voltage.
For front rocker panel illumination only, REPAIR the circuit for a short to battery voltage.
For front courtesy lamp only, INSTALL a new overhead console.
REFER to: Overhead Console (501-12 Instrument Panel and Console, Removal and Installation). For rear dome and cargo lamps only, GO to D3.
No GO to D6
D3 CHECK THE REAR LAMP CONTROL CIRCUIT FOR A SHORT TO VOLTAGE
  • Ignition OFF.
  • Disconnect the overhead console C930.
  • Disconnect the LH second row interior lamp C963.
  • Disconnect the RH second row interior lamp C964.
  • Disconnect the third row interior lamp C9054.
  • Disconnect the cargo lamp C489.
  • The ignition is on.
  • Action:
    Click to display the connectors
    Positive lead Measurement/Action Negative lead
    C930-3 Ground

Is there voltage present?
Yes REPAIR the circuit.
No GO to D4
D4 CHECK THE REAR LAMP CONTROL CIRCUIT FOR AN OPEN
  • Action:
    Click to display the connectors

    LH second row interior lamp


    Positive lead Measurement/Action Negative lead
    C963-2 C930-3

    Click to display the connectors

    Right second-row interior lamp


    Positive lead Measurement/Action Negative lead
    C964-2 C930-3

    Click to display the connectors

    Third row interior lamp


    Positive lead Measurement/Action Negative lead
    C9054-2 C930-3

    Click to display the connectors

    Cargo Lamp


    Positive lead Measurement/Action Negative lead
    C489-2 C930-3

Is the resistance less than 3 ohms?
Yes GO to D5
No REPAIR the circuit.
D5 CHECK THE REAR LAMP CONTROL CIRCUIT FOR A SHORT TO GROUND
  • Ignition OFF.
  • Action:
    Click to display the connectors
    Positive lead Measurement/Action Negative lead
    C930-3 Ground

Is the resistance greater than 10000 Ohms?
Yes If all the rear courtesy lamps are inoperative, INSTALL a new overhead console.
REFER TO: Overhead Console (501-12 Instrument Panel and Console, Removal and Installation). If only one rear courtesy lamp is inoperative, INSTALL a new rear courtesy lamp.
No REPAIR the circuit.
D6 CHECK BCM (BODY CONTROL MODULE) OPERATION
  • Disconnect and inspect all BCM connectors and the corresponding inline connectors.
  • Repair:
    • corrosion (install new connector or terminals - clean module pins)
    • damaged or bent pins - install new terminals/pins
    • backed-out pins - install new pins as necessary
  • Connect the BCM connectors and the corresponding inline connectors. Make sure they are installed and locked correctly.
  • Operate the system and determine if the concern is still present.

Is the concern still present?
Yes CHECK OASIS for any applicable service information: TSB, GSB, SSM or FSA. If a service article exists for this concern, STOP this test and FOLLOW the service article instructions. If no service article exists, INSTALL a new BCM.
REFER TO: Body Control Module (BCM) (419-10 Multifunction Electronic Modules, Removal and Installation).
No The system is currently operating correctly. The concern may have been caused by module connections. ADDRESS the root cause of any connector or terminal concerns. CLEAR the diagnostic trouble codes (DTCs).
PINPOINT TEST E: ONE OR MORE COURTESY LAMPS DO NOT OPERATE

Refer to Wiring Diagrams, Cell 89, for schematic and connector information.

Normal Operation and Fault Symptoms

REFER TO: Interior Lighting System Operation and Component Description (417-02 Interior Lighting, Description and Operation).

DTC Fault Trigger Conditions

Trouble Code Description Fault Trigger Condition
BCM B14AA:11 Courtesy Lamp Request Output: Short to Ground Continuous memory and on-demand DTC that sets when the BCM detects a short to ground in the on-demand lighting output circuit.
BCM B14AA:15 Courtesy Lamp Request Output: Short to Battery or Open Circuit Continuous memory and on-demand DTC that is set when the BCM detects an open or short to battery voltage in the on-demand lighting output circuit.

Possible Sources

  • Wiring, Terminals or Connectors
  • Demand Lamp
  • BCM

Visual Inspection and Pre-checks

  • Inspect the LEDs and make sure they are in good condition.
  • Inspect the bulbs for damage.
E1 CHECK THE DEMAND LAMP OPERATION
  • The ignition is on.
  • Check the operation of the left vanity mirror, right vanity mirror, overhead map, cargo area, police duty and glove box lamps.

Do the left vanity mirror, right vanity mirror, overhead map, cargo, police duty or glove box lamps illuminate?
Yes If the vanity mirror lamp does not work, GO to E6.
If the glove box lamp does not work, GO to E8.
If the overhead, cargo or police duty lamp does not work, GO to E10.
If the media basket or storage basket indicator does not work, GO to E12.
No GO to E2
E2 CHECK THE VOLTAGE AT THE FRONT OVERHEAD MAP LAMP
  • Ignition OFF.
  • Disconnect the overhead console C930.
  • The ignition is on.
  • Action:
    Click to display the connectors
    Positive lead Measurement/Action Negative lead
    C930-1 Ground

Is the voltage greater than 11 volts?
Yes GO to E10
No GO to E3.
E3 REPEAT THE SELF-TEST ON DEMAND AND CHECK THE VOLTAGE AT THE FRONT OVERHEAD MAP LAMP
  • Using a scan tool, perform the BCM self-test.
  • Clear the diagnostic trouble codes (DTCs) and repeat the self-test (required to enable the lamp output driver if DTC U1000:00 is present).
  • Action:
    Click to display the connectors
    Positive lead Measurement/Action Negative lead
    C930-1 Ground

Is the voltage greater than 11 volts?
Yes INSTALL a new overhead console.
REFER TO: Overhead Console (501-12 Instrument Panel and Console, Removal and Installation).
No GO to E4
E4 CHECK THE BCM (BODY CONTROL MODULE) REQUEST LAMP OUTPUT CIRCUIT FOR A SHORT TO GROUND
  • Ignition OFF.
  • Disconnect C2280C.
  • Disconnect the glove box lamp C254.
  • Disconnect Vanity Mirror Lamp LH C907.
  • Disconnect Vanity Mirror Lamp RH C906.
  • Disconnect the LH second row interior lamp C963.
  • Disconnect the RH second row interior lamp C964.
  • Disconnect the third row interior lamp C9054.
  • Disconnect the cargo lamp C489.
  • Disconnect the police duty lamp C9049.
  • Disconnect the police duty cargo lamp C9053.
  • Disconnect the media basket indicator C2144.
  • Disconnect the media basket indicator on the center console C374.
  • Disconnect the rear storage compartment lamp on the center console C3553.
  • Action:
    Click to display the connectors
    Positive lead Measurement/Action Negative lead
    C930-1 Ground

Is the resistance greater than 10000 Ohms?
Yes GO to E5
No REPAIR the circuit. After the repair:
If no diagnostic trouble codes (DTCs) are present, CHECK the system for normal operation.
If DTC U1000:00 is present, CLEAR the DTCs and REPEAT the self-test (required to enable the lamp output driver if DTC U1000:00 is present).
If DTC U3000:49 is present, INSTALL a new BCM after all other DTCs have been resolved.
REFER TO: Body Control Module (BCM) (419-10 Multifunction Electronic Modules, Removal and Installation).
E5 CHECK THE BCM (BODY CONTROL MODULE) REQUEST LAMP OUTPUT CIRCUIT FOR AN OPEN
  • Action:
    Click to display the connectors
    Positive lead Measurement/Action Negative lead
    C930-1 C2280C-14

Is the resistance less than 3 ohms?
Yes GO to E14
No REPAIR the circuit.
E6 CHECK THE VANITY MIRROR VOLTAGE SUPPLY CIRCUIT FOR AN OPEN
  • Ignition OFF.
  • Disconnect the malfunctioning left vanity mirror lamp C907 or right vanity mirror lamp C906.
  • The ignition is on.
  • Action:
    Click to display the connectors

    Vanity Mirror Lamp LH


    Positive lead Measurement/Action Negative lead
    C907-1 Ground

    Click to display the connectors

    Vanity Mirror Lamp RH


    Positive lead Measurement/Action Negative lead
    C906-1 Ground

Is the voltage greater than 11 volts?
Yes GO to E7
No REPAIR the circuit.
E7 CHECK THE VANITY MIRROR GROUND CIRCUIT FOR AN OPEN
  • Action:
    Click to display the connectors

    Vanity Mirror Lamp LH


    Positive lead Measurement/Action Negative lead
    C907-1 C907-2

    Click to display the connectors

    Vanity Mirror Lamp RH


    Positive lead Measurement/Action Negative lead
    C906-1 C906-2

Is the voltage greater than 11 volts?
Yes INSTALL a new sun visor for the lamp in question.
No REPAIR the circuit.
E8 CHECK THE GLOVE BOX LAMP VOLTAGE SUPPLY CIRCUIT FOR AN OPEN
  • Ignition OFF.
  • Disconnect the glove box lamp C254.
  • The ignition is on.
  • Action:
    Click to display the connectors
    Positive lead Measurement/Action Negative lead
    C254-1 Ground

Is the voltage greater than 11 volts?
Yes GO to E9
No REPAIR the circuit.
E9 CHECK THE GLOVE BOX LAMP GROUND CIRCUIT FOR AN OPEN
  • Action:
    Click to display the connectors
    Positive lead Measurement/Action Negative lead
    C254-1 C254-2

Is the voltage greater than 11 volts?
Yes INSTALL a new glove box lamp.
No REPAIR the circuit.
E10 CHECK THE OVERHEAD COURTESY LAMP VOLTAGE SUPPLY CIRCUIT FOR AN OPEN
  • Ignition OFF.
  • Disconnect the overhead console C930.
  • Disconnect the non-working LH second row interior lamp C963.
  • Disconnect the non-working RH second row interior lamp C964.
  • Disconnect the non-working third row interior lamp C9054.
  • Disconnect the non-working cargo lamp C489.
  • Disconnect the inoperative police duty lamp C9049.
  • Disconnect the inoperative police duty cargo indicator lamp C9053.
  • The ignition is on.
  • Action:
    Click to display the connectors

    Overhead console


    Positive lead Measurement/Action Negative lead
    C930-1 Ground

    Click to display the connectors

    LH second row interior lamp


    Positive lead Measurement/Action Negative lead
    C963-1 Ground

    Click to display the connectors

    Right second-row interior lamp


    Positive lead Measurement/Action Negative lead
    C964-1 Ground

    Click to display the connectors

    Third row interior lamp


    Positive lead Measurement/Action Negative lead
    C9054-1 Ground

    Click to display the connectors

    Cargo Lamp


    Positive lead Measurement/Action Negative lead
    C489-1 Ground

    Click to display the connectors

    Police duty lamp


    Positive lead Measurement/Action Negative lead
    C9049-1 Ground

    Click to display the connectors

    Police cargo lamp


    Positive lead Measurement/Action Negative lead
    C9053-1 Ground

Is the voltage greater than 11 volts?
Yes GO to E11
No REPAIR the circuit.
E11 CHECK THE OVERHEAD COURTESY LAMP GROUND CIRCUIT FOR AN OPEN
  • Action:
    Click to display the connectors

    Overhead console


    Positive lead Measurement/Action Negative lead
    C930-1 C931-6

    Click to display the connectors

    LH second row interior lamp


    Positive lead Measurement/Action Negative lead
    C963-1 C963-3

    Click to display the connectors

    Right second-row interior lamp


    Positive lead Measurement/Action Negative lead
    C964-1 C964-3

    Click to display the connectors

    Third row interior lamp


    Positive lead Measurement/Action Negative lead
    C9054-1 C9054-3

    Click to display the connectors

    Cargo Lamp


    Positive lead Measurement/Action Negative lead
    C489-1 C489-3

    Click to display the connectors

    Police duty lamp


    Positive lead Measurement/Action Negative lead
    C9049-1 C9049-2

    Click to display the connectors

    Police cargo lamp


    Positive lead Measurement/Action Negative lead
    C9053-1 C9053-2

Is the voltage greater than 11 volts?
Yes If the front courtesy lamp is inoperative, INSTALL a new overhead console.
REFER to: Overhead Console (501-12 Instrument Panel and Console, Removal and Installation). For the police duty lamp, INSTALL a new police duty lamp.
For all other interior lamps, INSTALL a new interior lamp.
No REPAIR the circuit.
E12 CHECK THE MEDIA AND STORAGE BASKET LAMP VOLTAGE SUPPLY CIRCUIT FOR AN OPEN
  • Ignition OFF.
  • Disconnect the media basket indicator C2144.
  • Disconnect the media basket indicator on the center console C374.
  • Disconnect the rear storage compartment lamp on the center console C3553.
  • The ignition is on.
  • Action:
    Click to display the connectors

    Media basket lamp


    Positive lead Measurement/Action Negative lead
    C2144-1 Ground

    Click to display the connectors

    Media basket lamp on the center console


    Positive lead Measurement/Action Negative lead
    C374-1 Ground

    Click to display the connectors

    Center Console Rear Storage Compartment Lamp


    Positive lead Measurement/Action Negative lead
    C3553-1 Ground

Is the voltage greater than 11 volts?
Yes GO to E13
No REPAIR the circuit.
E13 CHECK THE MEDIA AND STORAGE BASKET LAMP GROUND CIRCUIT FOR AN OPEN
  • Action:
    Click to display the connectors

    Media basket lamp


    Positive lead Measurement/Action Negative lead
    C2144-1 C2144-3

    Click to display the connectors

    Media basket lamp on the center console


    Positive lead Measurement/Action Negative lead
    C374-1 C374-3

    Click to display the connectors

    Center Console Rear Storage Compartment Lamp


    Positive lead Measurement/Action Negative lead
    C3553-1 C3553-3

Is the voltage greater than 11 volts?
Yes INSTALL a new lamp.
No REPAIR the circuit.
E14 CHECK BCM (BODY CONTROL MODULE) OPERATION
  • Disconnect and inspect all BCM connectors and the corresponding inline connectors.
  • Repair:
    • corrosion (install new connector or terminals - clean module pins)
    • damaged or bent pins - install new terminals/pins
    • backed-out pins - install new pins as necessary
  • Connect the BCM connectors and the corresponding inline connectors. Make sure they are installed and locked correctly.
  • Operate the system and determine if the concern is still present.

Is the concern still present?
Yes CHECK OASIS for any applicable service information: TSB, GSB, SSM or FSA. If a service article exists for this concern, STOP this test and FOLLOW the service article instructions. If no service article exists, INSTALL a new BCM.
REFER TO: Body Control Module (BCM) (419-10 Multifunction Electronic Modules, Removal and Installation).
No The system is currently operating correctly. The concern may have been caused by module connections. ADDRESS the root cause of any connector or terminal concerns. CLEAR the diagnostic trouble codes (DTCs).
PINPOINT TEST F: BATTERY SAVER DOES NOT DEACTIVATE AFTER TIMEOUT

Refer to Wiring Diagrams, Cell 89, for schematic and connector information.

Normal Operation and Fault Symptoms

REFER TO: Interior Lighting System Operation and Component Description (417-02 Interior Lighting, Description and Operation).

Possible Sources

  • Wiring, Terminals or Connectors
  • BCM
F1 CHECK THE REQUEST LAMP VOLTAGE SUPPLY CIRCUIT FOR A SHORT TO VOLTAGE
  • Ignition OFF.
  • Disconnect C2280C.
  • Turn on any request lamp (map or vanity mirror).

Is the request lamp on?
Yes REPAIR the circuit.
No GO to F2
F2 CHECK THE BCM (BODY CONTROL MODULE) OPERATION
  • Disconnect and inspect all BCM connectors and the corresponding inline connectors.
  • Repair:
    • corrosion (install new connector or terminals - clean module pins)
    • damaged or bent pins - install new terminals/pins
    • backed-out pins - install new pins as necessary
  • Connect the BCM connectors and the corresponding inline connectors. Make sure they are installed and locked correctly.
  • Operate the system and determine if the concern is still present.

Is the concern still present?
Yes CHECK OASIS for any applicable service information: TSB, GSB, SSM or FSA. If a service article exists for this concern, STOP this test and FOLLOW the service article instructions. If no service article exists, INSTALL a new BCM.
REFER TO: Body Control Module (BCM) (419-10 Multifunction Electronic Modules, Removal and Installation).
No The system is currently operating correctly. The concern may have been caused by module connections. ADDRESS the root cause of any connector or terminal concerns. CLEAR the diagnostic trouble codes (DTCs).
PINPOINT TEST G: PUDDLE LAMP DOES NOT OPERATE OR IS ALWAYS ON

Refer to Wiring Diagrams Cell 89 for schematic and connector information. Refer to Wiring Diagrams Cell 124 for schematic and connector information.

Normal Operation and Fault Symptoms

REFER TO: Interior Lighting System Operation and Component Description (417-02 Interior Lighting, Description and Operation).

DTC Fault Trigger Conditions

Trouble Code Description Fault Trigger Condition
DDM B1165:11 Left Front Puddle Lamp Output: Short to Ground Continuous memory and on-demand DTC that is set when the DDM detects a short to ground in the puddle lamp output circuit.
DDM B1165:15 Left Front Puddle Lamp Output: Short to Battery or Open Continuous memory and on-demand DTC that is set when the DDM detects an open or short to voltage in the incandescent lamp output circuit.
PDM B1166:11 Right Front Puddle Lamp Output: Short to Ground Continuous memory and on-demand DTC that is set when the PDM detects a short to ground in the incandescent lamp output circuit.
PDM B1166:15 Right Front Puddle Lamp Output: Short to Battery or Open Continuous memory and on-demand DTC that is set when the PDM detects an open or short to voltage in the incandescent lamp output circuit.

Possible Sources

  • Wiring, Terminals or Connectors
  • Puddle lamp
  • Outside Mirror
  • DDM
  • PDM

Visual Inspection and Pre-checks

  • Inspect the outside mirror for damage.
G1 CHECK INTERIOR LAMP OPERATION
  • The ignition is on.
  • Ignition OFF.
  • Open and close the door.
  • Observe the interior courtesy lamp operation for 30 seconds.

Do the interior courtesy lamps operate correctly?
Yes If the puddle lamp remains on, GO to G2.
If the puddle lamp does not operate, GO to G3.
No REFER to the Interior Lamps Symptom Chart in this section and perform the interior lamp diagnosis.
G2 CHECK THE COURTESY LAMP SUPPLY CIRCUIT FOR A SHORT TO VOLTAGE
  • Disconnect the DDM C501B (left puddle lamp).
  • Disconnect the DPM C652B (right puddle lamp).
  • The ignition is on.

Does the puddle lamp remain on?
Yes REPAIR the circuit.
No For the left door module, GO to G8.
For the right door module, GO to G9.
G3 CHECK THE MIRROR OPERATION
  • The ignition is on.
  • Using the outside mirror control switch, operate the power outside mirrors.

Do the power outside mirrors operate?
Yes GO to G4
No
REFER TO: Rear View Mirrors (501-09 Rear View Mirrors, Diagnosis and Testing).
G4 CHECK THE LAMP VOLTAGE
  • Ignition OFF.
  • Disconnect the non-operating left outside mirror C516 or the right outside mirror C601.
  • The ignition is on.
  • Open any door.
  • Action:
    Click to display the connectors

    LH Outside Mirror


    Positive lead Measurement/Action Negative lead
    C516-5 Ground

    Click to display the connectors

    Right outside mirror


    Positive lead Measurement/Action Negative lead
    C601-5 Ground

Is the voltage greater than 11 volts?
Yes GO to G7
No GO to G5
G5 CHECK THE COURTESY LAMP SUPPLY VOLTAGE CIRCUIT FOR A SHORT TO GROUND
  • Ignition OFF.
  • Disconnect the DDM C501B (left puddle lamp).
  • Disconnect the DPM C652B (right puddle lamp).
  • Action:
    Click to display the connectors

    LH Outside Mirror


    Positive lead Measurement/Action Negative lead
    C516-5 Ground

    Click to display the connectors

    Right outside mirror


    Positive lead Measurement/Action Negative lead
    C601-5 Ground

Is the resistance greater than 10000 Ohms?
Yes GO to G6
No REPAIR the circuit.
G6 CHECK THE LAMP VOLTAGE SUPPLY CIRCUIT FOR AN OPEN
  • Action:
    Click to display the connectors

    LH Outside Mirror


    Positive lead Measurement/Action Negative lead
    C516-5 C501B-5

    Click to display the connectors

    Right outside mirror


    Positive lead Measurement/Action Negative lead
    C601-5 C652B-5

Is the resistance less than 3 ohms?
Yes For the left door module, GO to G8.
For the right door module, GO to G9.
No REPAIR the circuit.
G7 CHECK THE OUTSIDE MIRROR GROUND CIRCUIT FOR AN OPEN
  • Action:
    Click to display the connectors

    LH Outside Mirror


    Positive lead Measurement/Action Negative lead
    C516-5 C516-8

    Click to display the connectors

    Right outside mirror


    Positive lead Measurement/Action Negative lead
    C601-5 C601-8

Is the voltage greater than 11 volts?
Yes CHECK the outside mirror jumper harness between the vehicle wiring harness and the puddle lamp for an open circuit, damage, or pushed-out pins. If the jumper harness is OK, INSTALL a new puddle lamp.
REFER TO: Outside Mirror (501-09 Rear View Mirrors, Removal and Installation). If the jumper harness is not OK, REPAIR the jumper harness.
No REPAIR the circuit.
G8 CHECK THE DDM (DRIVER DOOR MODULE) OPERATION
  • Disconnect and inspect all DDM connectors and the corresponding harness connectors.
  • Repair:
    • corrosion (install new connector or terminals - clean module pins)
    • damaged or bent pins - install new terminals/pins
    • backed-out pins - install new pins as necessary
  • Reconnect the DDM connectors and the corresponding harness connectors. Make sure they are installed and locked correctly.
  • Operate the system and determine if the concern is still present.

Is the concern still present?
Yes CHECK OASIS for any applicable service articles: TSB, GSB, SSM or FSA. If a service article exists for this concern, STOP this test and FOLLOW the service article instructions. If no service articles exist for this concern, INSTALL a new DDM.
REFER TO: Driver Door Module (DDM) (419-10 Multifunction Electronic Modules, Removal and Installation).
No The system is currently operating correctly. The concern may have been caused by module connections. ADDRESS the root cause of any connector or terminal concerns. CLEAR the diagnostic trouble codes (DTCs).
G9 CHECK THE PDM (PASSENGER DOOR MODULE) OPERATION
  • Disconnect and inspect all PDM connectors and the corresponding harness connectors.
  • Repair:
    • corrosion (install new connector or terminals - clean module pins)
    • damaged or bent pins - install new terminals/pins
    • backed-out pins - install new pins as necessary
  • Reconnect the PDM connectors and the corresponding harness connectors. Make sure they are installed and locked correctly.
  • Operate the system and determine if the concern is still present.

Is the concern still present?
Yes CHECK OASIS for any applicable service articles: TSB, GSB, SSM or FSA. If a service article exists for this concern, STOP this test and FOLLOW the service article instructions. If no service articles apply, REPLACE the PDM.
REFER TO: Passenger Door Module (PDM) (419-10 Multifunction Electronic Modules, Removal and Installation).
No The system is currently operating correctly. The concern may have been caused by module connections. ADDRESS the root cause of any connector or terminal concerns. CLEAR the diagnostic trouble codes (DTCs).
PINPOINT TEST H: AMBIENT LIGHTING DOES NOT OPERATE OR IS ALWAYS ON

Refer to Wiring Diagrams, Cell 89, for schematic and connector information.

Normal Operation and Fault Symptoms

REFER TO: Interior Lighting System Operation and Component Description (417-02 Interior Lighting, Description and Operation).

DTC Fault Trigger Conditions

Trouble Code Description Fault Trigger Condition
BCM B145C: 11 Exterior Lamp Power Supply Output: Short to Ground Continuous memory and on-demand DTC, which sets when the BCM detects a short to ground in the exterior lighting module power supply output circuit.
BCM B145C: 15 Exterior Lamp Power Supply Output: Short to Battery or Open Circuit Continuous memory and on-demand DTC, which sets when the BCM detects an open or a short to voltage in the exterior lighting module power supply output circuit.
BCM B1465:00 Ambient Lighting Bus 1: No Subtype Information Continuous memory DTC that is set when the BCM detects a fault in the ambient lighting LIN circuit.
BCM B1465:96 Ambient Lighting Bus 1: Internal Component Failure Continuous memory DTC that is set when the BCM detects a fault in the ambient lighting LIN circuit.
BCM B1467:00 Ambient Lighting Bus 3: No Subtype Information Continuous memory DTC that is set when the BCM detects a fault in the ambient lighting LIN circuit.
BCM B1467:96 Ambient Lighting Bus 3: Internal Component Failure Continuous memory DTC that is set when the BCM detects a fault in the ambient lighting LIN circuit.
BCM B153C: 11 Output Color Ambient Light: Circuit Short to Ground Continuous memory and on-demand DTC, which sets when the BCM detects a short to ground in the exterior lighting module power supply output circuit.
BCM B153C: 15 Output Color Ambient Light: Short to Battery or Open Circuit Continuous memory and on-demand DTC, which sets when the BCM detects an open or a short to voltage in the exterior lighting module power supply output circuit.

Possible Sources

  • Wiring, Terminals or Connectors
  • FDIM
  • BCM
H1 CHECK THE FDIM (FRONT DISPLAY INTERFACE MODULE) AUDIO CONTROL
  • The ignition is on.
  • Check the audio system operation using the FDIM controls (touchscreen).

Does the audio system operate correctly from the touchscreen?
Yes GO to H2
No
REFER TO: Information and Entertainment System - Vehicles Without SYNC 3 (415-00A Information and Entertainment System - General Information - Vehicles Without SYNC 3, Diagnosis and Testing).
H2 CHECK THE BCM (BODY CONTROL MODULE) DIAGNOSTIC TROUBLE CODES (DTCS)
  • Using a scan tool, perform the BCM self-test.

Are DTC B1465:00, B1465:96, B1467:00, B1467:96, B145C:11, B145C:15, B153C:11 or B153C:15 present?
Yes For DTC B1465:00 and B1465:96, GO to H3.
For DTC B1467:00 and B1467:96, GO to H7.
For DTC B145C:11 and B153C:11, GO to H11.
For DTC B145C:15 and B153C:15, GO to H12.
No GO to H14
H3 CHECK THE DOOR LAMP (LOCAL INTERCONNECT NETWORK) CIRCUIT FOR A SHORT TO VOLTAGE
  • Ignition OFF.
  • Disconnect the C2280E connector.
  • Disconnect C2280C.
  • The ignition is on.
  • Action:
    Click to display the connectors
    Positive lead Measurement/Action Negative lead
    C2280E-38 Ground

Is voltage present?
Yes REPAIR the circuit.
No GO to H4
H4 CHECK THE DOOR LAMP (LOCAL INTERCONNECT NETWORK) CIRCUIT FOR AN OPEN
  • Ignition OFF.
  • Disconnect the left front door LED C573.
  • Action:
    Click to display the connectors
    Positive lead Measurement/Action Negative lead
    C573-2 C2280E-38

Is the resistance less than 3 ohms?
Yes GO to H5
No REPAIR the circuit.
H5 CHECK THE DOOR LAMP (LOCAL INTERCONNECT NETWORK) CIRCUIT FOR A SHORT TO GROUND
  • Disconnect the right front door LED C649.
  • Disconnect the left rear door LED C737.
  • Disconnect the right rear door LED C837.
  • Action:
    Click to display the connectors
    Positive lead Measurement/Action Negative lead
    C573-2 Ground

Is the resistance greater than 10000 Ohms?
Yes GO to H6
No REPAIR the circuit. After the repair:
If no diagnostic trouble codes (DTCs) are present, CHECK the system for normal operation.
If DTC U1000:00 is present, CLEAR the DTCs and REPEAT the self-test (required to enable the lamp output driver if DTC U1000:00 is present).
If DTC U3000:49 is present, INSTALL a new BCM after all other DTCs have been resolved.
REFER TO: Body Control Module (BCM) (419-10 Multifunction Electronic Modules, Removal and Installation).
H6 CHECK THE DOOR LAMP (LOCAL INTERCONNECT NETWORK) CIRCUIT FOR A SHORT TO VOLTAGE SUPPLY CIRCUIT
  • Disconnect C2280C.
  • Action:
    Click to display the connectors
    Positive lead Measurement/Action Negative lead
    C2280E-38 C2280C-4

Is the resistance greater than 10000 Ohms?
Yes GO to H14
No REPAIR the circuit.
H7 CHECK THE FRONT FOOTWELL AND CENTER CONSOLE AMBIENT LAMP (LOCAL INTERCONNECT NETWORK) CIRCUIT FOR A SHORT TO VOLTAGE
  • Ignition OFF.
  • Disconnect C2280B.
  • Disconnect C2280C.
  • The ignition is on.
  • Action:
    Click to display the connectors
    Positive lead Measurement/Action Negative lead
    C2280B-13 Ground

Is voltage present?
Yes REPAIR the circuit.
No GO to H8
H8 CHECK THE FRONT FOOTWELL AND CENTER CONSOLE AMBIENT LAMP (LOCAL INTERCONNECT NETWORK) CIRCUIT FOR AN OPEN
  • Ignition OFF.
  • Disconnect the left front footwell lamp C209.
  • Action:
    Click to display the connectors
    Positive lead Measurement/Action Negative lead
    C2280B-13 C209-2

Is the resistance less than 3 ohms?
Yes GO to H9
No REPAIR the circuit.
H9 CHECK THE FRONT FOOTWELL AND CENTER CONSOLE AMBIENT LAMP (LOCAL INTERCONNECT NETWORK) CIRCUIT FOR A SHORT TO GROUND
  • Disconnect the right front footwell lamp C266.
  • Disconnect the floor console cup holder ambient lamp C3349.
  • Action:
    Click to display the connectors
    Positive lead Measurement/Action Negative lead
    C2280B-13 Ground

Is the resistance greater than 10000 Ohms?
Yes GO to H10
No REPAIR the circuit. After the repair:
If no diagnostic trouble codes (DTCs) are present, CHECK the system for normal operation.
If DTC U1000:00 is present, CLEAR the DTCs and REPEAT the self-test (required to enable the lamp output driver if DTC U1000:00 is present).
If DTC U3000:49 is present, INSTALL a new BCM after all other DTCs have been resolved.
REFER TO: Body Control Module (BCM) (419-10 Multifunction Electronic Modules, Removal and Installation).
H10 CHECK THE FRONT FOOTWELL AND CENTER CONSOLE CUP HOLDER AMBIENT LAMP LIN (LOCAL INTERCONNECT NETWORK) CIRCUIT FOR A SHORT TO VOLTAGE SUPPLY CIRCUIT
  • Action:
    Click to display the connectors
    Positive lead Measurement/Action Negative lead
    C2280B-13 C2280C-4

Is the resistance greater than 10000 Ohms?
Yes GO to H14
No REPAIR the circuit.
H11 CHECK THE AMBIENT LAMP VOLTAGE CIRCUIT FOR A SHORT TO GROUND
  • Disconnect C2280C.
  • Disconnect the left front door LED C573.
  • Disconnect the right front door LED C649.
  • Disconnect the left rear door LED C737.
  • Disconnect the right rear door LED C837.
  • Disconnect the left front footwell lamp C209.
  • Disconnect the right front footwell lamp C266.
  • Disconnect the floor console cup holder ambient lamp C3349.
  • Action:
    Click to display the connectors
    Positive lead Measurement/Action Negative lead
    C2280C-4 Ground

Is the resistance greater than 10000 Ohms?
Yes GO to H14
No REPAIR the circuit. After the repair:
If no diagnostic trouble codes (DTCs) are present, CHECK the system for normal operation.
If DTC U1000:00 is present, CLEAR the DTCs and REPEAT the self-test (required to enable the lamp output driver if DTC U1000:00 is present).
If DTC U3000:49 is present, INSTALL a new BCM after all other DTCs have been resolved.
REFER TO: Body Control Module (BCM) (419-10 Multifunction Electronic Modules, Removal and Installation).
H12 CHECK THE AMBIENT LAMP VOLTAGE CIRCUIT FOR AN OPEN
  • Disconnect C2280C.
  • Disconnect the left front footwell lamp C209.
  • Action:
    Click to display the connectors
    Positive lead Measurement/Action Negative lead
    C2280C-4 C209-2

Is the resistance greater than 10000 Ohms?
Yes GO to H13
No REPAIR the circuit.
H13 CHECK THE AMBIENT LAMP VOLTAGE CIRCUIT FOR A SHORT TO VOLTAGE
  • The ignition is on.
  • Action:
    Click to display the connectors
    Positive lead Measurement/Action Negative lead
    C2280C-4 Ground

Is voltage present?
Yes REPAIR the circuit.
No GO to H14
H14 CHECK THE BCM (BODY CONTROL MODULE) OPERATION
  • Disconnect and inspect all BCM connectors and the corresponding inline connectors.
  • Repair:
    • corrosion (install new connector or terminals - clean module pins)
    • damaged or bent pins - install new terminals/pins
    • backed-out pins - install new pins as necessary
  • Connect the BCM connectors and the corresponding inline connectors. Make sure they are installed and locked correctly.
  • Operate the system and determine if the concern is still present.

Is the concern still present?
Yes CHECK OASIS for any applicable service information: TSB, GSB, SSM or FSA. If a service article exists for this concern, STOP this test and FOLLOW the service article instructions. If no service article exists, INSTALL a new BCM.
REFER TO: Body Control Module (BCM) (419-10 Multifunction Electronic Modules, Removal and Installation).
No The system is currently operating correctly. The concern may have been caused by module connections. ADDRESS the root cause of any connector or terminal concerns. CLEAR the diagnostic trouble codes (DTCs).
DIAGNOSTIC PINPOINT TEST I: ONE OR MORE AMBIENT LIGHTING LEDS DO NOT OPERATE OR DO NOT CHANGE COLOR/BRIGHTNESS

Refer to Wiring Diagrams, Cell 89, for schematic and connector information.

Normal Operation and Fault Symptoms

REFER TO: Interior Lighting System Operation and Component Description (417-02 Interior Lighting, Description and Operation).

DTC Fault Trigger Conditions

Trouble Code Description Fault Trigger Condition
BCM B1465:00 Ambient Lighting Bus 1: No Subtype Information Continuous memory DTC that is set when the BCM detects a fault in the ambient lighting LIN circuit.
BCM B1465:96 Ambient Lighting Bus 1: Internal Component Failure Continuous memory DTC that is set when the BCM detects a fault in the ambient lighting LIN circuit.
BCM B1467:00 Ambient Lighting Bus 3: No Subtype Information Continuous memory DTC that is set when the BCM detects a fault in the ambient lighting LIN circuit.
BCM B1467:96 Ambient Lighting Bus 3: Internal Component Failure Continuous memory DTC that is set when the BCM detects a fault in the ambient lighting LIN circuit.

Possible Sources

  • Wiring, Terminals or Connectors
  • Ambient LED Lighting
  • BCM
I1 CHECK THE AMBIENT LIGHTING LEDS (LIGHT EMITTING DIODES)
  • The ignition is on.
  • Turn the headlamp switch to the PARKING LAMPS position.
  • Observe the operation of all ambient lighting LEDs (light emitting diodes).

Do all front door, floor console and footwell ambient lighting Light Emitting Diodes (LEDs) fail to operate?
Yes GO to Pinpoint Test H
No GO to I2.
I2 CHECK THE LED (LIGHT EMITTING DIODE) VOLTAGE
  • Ignition OFF.
  • Disconnect the malfunctioning ambient lighting LED.
  • The ignition is on.
  • Turn the headlamp switch to the PARKING LAMPS position.
  • Action:
    Click to display the connectors

    Floor console cup holder ambient lamp


    Positive lead Measurement/Action Negative lead
    C3349-1 Ground

    Click to display the connectors

    Left front footwell lamp


    Positive lead Measurement/Action Negative lead
    C209-1 Ground

    Click to display the connectors

    Right front footwell lamp


    Positive lead Measurement/Action Negative lead
    C266-1 Ground

    Click to display the connectors

    Left front door LED


    Positive lead Measurement/Action Negative lead
    C573-1 Ground

    Click to display the connectors

    Right front door LED


    Positive lead Measurement/Action Negative lead
    C649-1 Ground

    Click to display the connectors

    Left rear door LED


    Positive lead Measurement/Action Negative lead
    C737-1 Ground

    Click to display the connectors

    Right rear door LED


    Positive lead Measurement/Action Negative lead
    C837-1 Ground

Is the voltage greater than 11 volts?
Yes GO to I3
No REPAIR the malfunctioning LED power supply circuit.
I3 CHECK THE LED (LIGHT EMITTING DIODE) GROUND CIRCUIT FOR AN OPEN
  • Action:
    Click to display the connectors

    Floor console cup holder ambient lamp


    Positive lead Measurement/Action Negative lead
    C3349-1 C3349-3

    Click to display the connectors

    Left front footwell lamp


    Positive lead Measurement/Action Negative lead
    C209-1 C209-3

    Click to display the connectors

    Right front footwell lamp


    Positive lead Measurement/Action Negative lead
    C266-1 C266-3

    Click to display the connectors

    Left front door LED


    Positive lead Measurement/Action Negative lead
    C573-1 C573-3

    Click to display the connectors

    Right front door LED


    Positive lead Measurement/Action Negative lead
    C649-1 C649-3

    Click to display the connectors

    Left rear door LED


    Positive lead Measurement/Action Negative lead
    C737-1 C737-3

    Click to display the connectors

    Right rear door LED


    Positive lead Measurement/Action Negative lead
    C837-1 C837-3

Is the voltage greater than 11 volts?
Yes GO to I4
No REPAIR the malfunctioning ground circuit.
I4 CHECK THE AMBIENT LAMP LIN (LOCAL INTERCONNECT NETWORK) CIRCUIT FOR AN OPEN
  • Ignition OFF.
  • Turn the headlamp switch to the OFF position.
  • Disconnect the C2280E (Door Light Emitting Diodes (LED)).
  • Disconnect the C2280B (Front Footwell and Cup Holder Light Emitting Diodes (LED)).
  • Action:
    Click to display the connectors

    Floor console cup holder ambient lamp


    Positive lead Measurement/Action Negative lead
    C3349-2 C2280B-13

    Click to display the connectors

    Left front footwell lamp


    Positive lead Measurement/Action Negative lead
    C209-2 C2280B-13

    Click to display the connectors

    Right front footwell lamp


    Positive lead Measurement/Action Negative lead
    C266-2 C2280B-13

    Click to display the connectors

    Left front door LED


    Positive lead Measurement/Action Negative lead
    C573-2 C2280E-38

    Click to display the connectors

    Right front door LED


    Positive lead Measurement/Action Negative lead
    C649-2 C2280E-38

    Click to display the connectors

    Left rear door LED


    Positive lead Measurement/Action Negative lead
    C737-2 C2280E-38

    Click to display the connectors

    Right rear door LED


    Positive lead Measurement/Action Negative lead
    C837-2 C2280E-38

Is the resistance less than 3 ohms?
Yes INSTALL a new ambient lighting LED.
No REPAIR the circuit.
PINPOINT TEST J: LAMPS DO NOT ILLUMINATE WITH REAR DOOR OPEN

Refer to Wiring Diagrams Cell 109 for schematic and connector information.

Normal Operation and Fault Symptoms

REFER TO: Interior Lighting System Operation and Component Description (417-02 Interior Lighting, Description and Operation).

DTC Fault Trigger Conditions

Trouble Code Description Fault Trigger Condition
BCM B1306:01 Rear Door Ajar Switch: General Electrical Failure Continuous memory and on-demand DTC that sets when the BCM detects a fault in the liftgate ajar switch circuit.
BCM B1306:11 Liftgate Ajar Switch: Short to Ground Continuous memory and on-demand DTC that is set when the RGTM detects a short to ground in the output circuit of the ajar liftgate.

Possible Sources

  • Wiring, Terminals or Connectors
  • Liftgate latch
  • RKE
  • BCM
J1 CHECK THE OPERATION OF ANY DOOR LAMP
  • Ignition OFF.
  • Open any door and observe the courtesy lamps.

Does the indicator illuminate?
Yes GO to J2
No GO to Pinpoint Test A
J2 CHECK THE RGTM (REAR GATE TAILGATE MODULE) OR LIFTGATE LATCH
  • Disconnect the rear door latch C457 (manual liftgate).
  • Disconnect the RGTM C4174A (power liftgate).

Does the indicator illuminate?
Yes If the vehicle has a manual liftgate, INSTALL a new liftgate latch.
REFER TO: Liftgate Latch (501-14 Handles, Locks, Latches and Entry Systems, Removal and Installation). If the vehicle has a power liftgate, GO to J4.
No GO to J3
J3 CHECK THE LIFTGATE CLOSED INPUT CIRCUIT FOR A SHORT TO GROUND
  • Disconnect the C2280E connector.
  • Action:
    Click to display the connectors
    Positive lead Measurement/Action Negative lead
    C2280E-34 Ground

Is the resistance greater than 10000 Ohms?
Yes GO to J5
No REPAIR the circuit.
J4 CHECK THE RGTM (REAR GATE TAILGATE MODULE) OPERATION
  • Disconnect and inspect all RGTM connectors and the related inline connectors.
  • Repair:
    • corrosion (install new connector or terminals - clean module pins)
    • damaged or bent pins - install new terminals/pins
    • backed-out pins - install new pins as necessary
  • Reconnect the RGTM connectors and the related inline connectors. Make sure they are installed and locked correctly.
  • Operate the system and determine if the concern is still present.

Is the concern still present?
Yes CHECK OASIS for any applicable service articles: TSB, GSB, SSM or FSA. If a service article exists for this concern, STOP this test and FOLLOW the service article instructions. If no service articles are found, INSTALL a new RGTM.
REFER TO: Liftgate Latch Module (RGTM) (501-03 Body Locks, Removal and Installation).
No The system is currently operating correctly. The concern may have been caused by module connections. ADDRESS the root cause of any connector or terminal concerns. CLEAR the diagnostic trouble codes (DTCs).
J5 CHECK THE BCM (BODY CONTROL MODULE) OPERATION
  • Disconnect and inspect all BCM connectors and the corresponding inline connectors.
  • Repair:
    • corrosion (install new connector or terminals - clean module pins)
    • damaged or bent pins - install new terminals/pins
    • backed-out pins - install new pins as necessary
  • Connect the BCM connectors and the corresponding inline connectors. Make sure they are installed and locked correctly.
  • Operate the system and determine if the concern is still present.

Is the concern still present?
Yes CHECK OASIS for any applicable service information: TSB, GSB, SSM or FSA. If a service article exists for this concern, STOP this test and FOLLOW the service article instructions. If no service article exists, INSTALL a new BCM.
REFER TO: Body Control Module (BCM) (419-10 Multifunction Electronic Modules, Removal and Installation).
No The system is currently operating correctly. The concern may have been caused by module connections. ADDRESS the root cause of any connector or terminal concerns. CLEAR the diagnostic trouble codes (DTCs).

Test yourself

A quick Ford Explorer quiz: every answer comes with an explanation and a link to the manual page.