Ford Escape Quiz
Electrical

Diagnosis and Testing - Cruise Control

In this manual: Electrical
General Information — 26Chassis — 160Powertrain — 323Electrical — 356Body and Paint — 290
~39min 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
CCM B142E: 78 Front View Sensor Horizontal Alignment: Incorrect Alignment or Adjustment GO to Pinpoint Test C
CCM B1432:78 Front View Sensor Vertical Alignment: Incorrect Alignment or Adjustment GO to Pinpoint Test C
CCM B1433:54 Front Sensor Horizontal Alignment: Calibration Not Performed GO to Pinpoint Test C
CCM C1001:08 Vision Sensing Camera: Bus Signal/Message Failure GO to Pinpoint Test D
CCM C1A67:96 Front Sensor: Internal Component Failure GO to Pinpoint Test E
CCM C1A67:97 Front View Sensor: Component or System Operation Obstructed or Blocked GO to Pinpoint Test F
CCM C1A67:98 Front Sensor: Component or System Overtemp GO to Pinpoint Test G
CCM U2100:00 Initial Configuration Not Complete: No Sub Type Information GO to Pinpoint Test H
CCM U2300:55 Central Configuration Incomplete: No Sub-type Information GO to Pinpoint Test H
CCM U3000:41 Control Module: General Checksum Failure GO to Pinpoint Test I
CCM U3000:42 Control Module: General Memory Failure GO to Pinpoint Test I
CCM U3000:44 Control Module: Data Memory Failure GO to Pinpoint Test I
CCM U3000:49 Control Module: Internal Electronic Failure GO to Pinpoint Test I
CCM U3002:62 Vehicle Identification Number: Signal Comparison Failure GO to Pinpoint Test J
CCM U3003:16 Battery Voltage: Circuit Voltage Below Threshold GO to Pinpoint Test K
CCM U3003:17 Battery Voltage: Circuit Voltage Above Threshold GO to Pinpoint Test L
PCM P0504:00 Brake Switch A/B Correlation: no subtype information GO to Pinpoint Test B
PCM P0572:00 Brake Switch "A" Circuit Low: No Sub-type Information GO to Pinpoint Test B
PCM P0573:00 Brake Switch "A" Circuit High: No Sub-type Information GO to Pinpoint Test B
PCM P1703:00 Brake Switch "B" Circuit: No Sub-type Information GO to Pinpoint Test B
PCM P1935:00 Brake switch/sensor signal: no sub-type information GO to Pinpoint Test B
SCCM B137F: 11 Left Steering Wheel Switch Pack: Short to Ground GO to Pinpoint Test A
SCCM B137F: 13 Left Steering Wheel Switch Pack: Open Circuit GO to Pinpoint Test A
SCCM B137F: 96 Left Steering Wheel Switch Pack: Internal Component Failure GO to Pinpoint Test A
SCCM B137F: 9E Left Steering Wheel Switch Pack: Stuck On GO to Pinpoint Test A

Global Customer Symptom Codes (GCSC) Table

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 Action
Driver Assistance and Information > Speed Control > Operation > Inoperative GO to Pinpoint Test A
Driver Assistance and Information > Speed Control > Performance > Erratic GO to Pinpoint Test M

Symptom Chart

Symptom Chart: ACC

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


Condition Action
ACC Inoperative GO to Pinpoint Test A
Cruise Control Switch Inoperative/Incorrect Operation GO to Pinpoint Test A
ACC Inoperative in Rain or Snow GO to Pinpoint Test F
ADAPTIVE CRUISE UNAVAILABLE SENSOR BLOCKED SEE OWNER'S MANUAL message in the IPC message center GO to Pinpoint Test F
ACC Indicator Lamp Never/Always On
REFER TO: Instrument Cluster, Message Center and Warning Chimes - Vehicles With: Head-Up Display (HUD) (413-01 Instrument Cluster, Message Center and Warning Chimes, Diagnosis and Testing).
Unexpected ACC Braking GO to Pinpoint Test M
No ACC Braking GO to Pinpoint Test M
ACC does not decelerate the vehicle until it is too close to the lead vehicle, does not detect the lead vehicle, or the vehicle follows closer than the set time gap GO to Pinpoint Test M
Forward Collision Warning in high sensitivity settings appears on bridges GO to Pinpoint Test M
ACC Braking Noise
Refer to: Brake System (206-00 Brake System - General Information, Diagnosis and Testing).

Pinpoint Tests


DIAGNOSTIC TEST A: ADAPTIVE CRUISE CONTROL INOPERATIVE

For wiring diagrams and connector information, refer to Section 31 of the wiring diagrams.

Normal Operation and Fault Symptoms

If cruise control does not set speed above 105 km/h, 113 km/h, 121 km/h or 129 km/h. A MyKey® Restricted Key is used and the MyKey® Maximum Speed Limiter is enabled. Using the Admin Key, check whether the MyKey® maximum speed limiter is enabled. For additional information, refer to the Owner's Literature.

Refer to: Cruise Control - System Operation and Component Description (419-03B Cruise Control - Vehicles With: Adaptive Cruise Control, Description and Operation).

DTC Fault Trigger Conditions

Trouble Code Description Fault Trigger Condition
SCCM B137F:11 Left Steering Wheel Switch Pack: Short to Ground Continuous DTC that is set when the cruise control circuits are shorted to ground.
SCCM B137F: 13 Left Steering Wheel Switch Pack: Open Circuit Continuous DTC that is set when the cruise control circuits are open.
SCCM B137F: 96 Left Steering Wheel Switch Pack: Internal Component Failure Continuous DTC that sets when the measured cruise control circuit input voltage is not within the acceptable range.
SCCM B137F: 9E Left Steering Wheel Switch Pack: Stuck On Continuous DTC that is set when the cruise control switch is pressed and held for more than 120 seconds.

Possible Sources

  • Wiring, Terminals or Connectors
  • Cruise control switch
  • BPP switch
  • Stop Lamp Switch
  • Vehicle Speed Signal
  • PCM
  • BCM
  • CCM
  • SCCM
A1 CHECK THE DIAGNOSTIC TROUBLE CODES (DTCS)
  • The ignition is on.
  • Using the diagnostic scan tool, perform the IPMA self-test.
  • Using the diagnostic scan tool, perform a PCM self-test.
  • Using the diagnostic scan tool, perform the SCCM self-test.
  • Using the diagnostic scan tool, perform the CCM self-test.

Are any diagnostic trouble codes recorded?
Yes If IPMA DTCs were retrieved, CHECK these DTCs first.
Refer to: Lane Keeping System (419-07 Lane Keeping System, Diagnosis and Testing). If PCM DTCs were retrieved, CHECK these DTCs first. Refer to the Powertrain Diagnostic Trouble Code Index.
If CCM DTCs were retrieved, CHECK these DTCs first. Refer to the DTC chart in this section.
If SCCM DTC B137F:11, B137F:13, B137F:96 or B137F:9E is set, GO to A4.
For all other SCCM DTCs:
Refer to: Steering Wheel and Column Electrical Components (211-05 Steering Wheel and Column Electrical Components, Diagnosis and Testing).
No GO to A2
A2 CHECK DTCS FOR LOSS OF COMMUNICATION
  • Clear the continuous memory diagnostic trouble codes (CMDTCs) from all modules.
  • Ignition OFF.
  • The ignition is on.
  • Wait at least 10 seconds. Retrieve CMDTCs from all modules.

Are any loss of communication DTCs set in the CCM?
Yes Refer to the Powertrain Diagnostic Trouble Code Index.
No GO to A3
A3 CHECK THE BRAKE PEDAL SWITCH (BOO1) AND CRUISE CONTROL DEACTIVATION SWITCH (BOO2) PARAMETER IDENTIFICATION (PIDS)
  • Using the diagnostic scan tool, view the PCM PIDs.
  • Using the table, monitor the PID

    Access the PCM and monitor the BOO1 PID

    (brake pedal switch) and

    Access the PCM and monitor the BOO2 PID

    (cruise control deactivation switch) while pressing and releasing the brake pedal.
    Brake pedal position BOO1 PID BOO2 PID
    Released Off Off
    Applicable firmly On On

Do the PID values match the brake pedal position?
Yes GO to A4
No GO to Pinpoint Test B
A4 CHECK THE CRUISE CONTROL SWITCH PID (PARAMETER IDENTIFICATION)
  • Using the diagnostic scan tool,

    Access the SCCM and monitor the SC_ONOFF PID

    ,

    Access the SCCM and monitor the SC_CANCEL PID

    ,

    Access the SCCM and monitor the SC_RESUME PID

    ,

    Access the SCCM and monitor the SC_SET+ PID

    ,

    Access the SCCM and monitor the SC_SET- PID

    ,

    Access the SCCM and monitor the SC_GAP_SW PID

    ,

    Access the SCCM and monitor the LANE_ASSISTSW PID

    if equipped,

    Access the SCCM and monitor the SC_SPD_LMTER PID

    if equipped,

    Access the SCCM and monitor the TF_JAM_ASSIST PID

    if equipped.
  • Using the table, press each cruise control switch while monitoring the cruise control switch PID.
    Cruise control switch PID value
    Cruise On/Off (Pressed/Released) ON OFF
    Cancel (pressed/released) ON OFF
    Resume (pressed/released) ON OFF
    SET + (pressed/released) ON OFF
    SET - (pressed/released) ON OFF
    GAP (Pressed/Released) ON OFF
    LKA (Pressed/Released) ON OFF
    LIM (Pressed/Released) ON OFF
    TJA (Pressed/Released) ON OFF

Do the PID values match the switch position?
Yes GO to A9
No If only one switch does not show the correct PID value, INSTALL a new steering wheel switch.
REFER TO: Multifunction Switch on the Steering Wheel (211-05 Steering Wheel and Column Electrical Components, Removal and Installation). If multiple switches do not show the correct PID value, GO to A5.
A5 CHECK THE VOLTAGE AT THE CRUISE CONTROL SWITCHES
  • Ignition OFF.
  • Remove the driver air bag.
    REFER to: Driver Air Bag (501-20B Supplemental Restraint System, Removal and Installation).
  • Disconnect the steering wheel switch C2490.
  • The ignition is on.
  • Action:
    Positive lead Measurement/Action Negative lead
    C2490-2 C2490-5
    C2490-3 C2490-5
    C2490-4 C2490-5

Is the voltage approximately 5 volts?
Yes TURN the ignition OFF and WAIT one minute. INSTALL a new steering wheel switch.
REFER TO: Multifunction Switch on the Steering Wheel (211-05 Steering Wheel and Column Electrical Components, Removal and Installation). INSTALL the driver air bag.
REFER TO: Driver Air Bag (501-20B Supplemental Restraint System, Removal and Installation).
No GO to A6
A6 CHECK THE STEERING WHEEL SWITCH HARNESS FOR AN OPEN
  • Ignition OFF.
  • Disconnect the clockspring C218B.
  • Action:
    Positive lead Measurement/Action Negative lead
    C2490-2 C218B-7
    C2490-3 C218B-8
    C2490-4 C218B-10
    C2490-5 C218B-9

Is the resistance less than 3 ohms?
Yes GO to A7
No Install a new steering wheel.
REFER to: Steering Wheel (211-04 Steering Column, Removal and Installation).
A7 CHECK THE STEERING WHEEL SWITCH CIRCUITS THROUGH THE CLOCKSPRING FOR AN OPEN
  • Disconnect the clockspring C218C.
  • Action:
    Positive lead Measurement/Action Negative lead
    C218B-7 (component side) C218C-1 (component side)
    C218B-8 (component side) C218C-2 (component side)
    C218B-9 (component side) C218C-3 (component side)
    C218B-10 (component side) C218C-4 (component side)

Is the resistance less than 3 ohms?
Yes GO to A8
No Install a new clockspring.
REFER to: Clockspring (501-20B Supplemental Restraint System, Removal and Installation).
A8 CHECK THE SCCM (STEERING COLUMN CONTROL MODULE) OPERATION
  • Ignition OFF.
  • Disconnect and inspect all SCCM connectors.
  • Repair:
    • corrosion (install new connector or terminals - clean module pins)
    • damaged or bent terminals/pins - install new terminals/pins
    • pushed-out pins - install new pins as necessary
  • Reconnect the SCCM connectors. Make sure they are fully seated and locked.
  • 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 address this concern, INSTALL a new SCCM.
REFER to: Steering Column Control Module (SCCM) (211-05 Steering Wheel and Column Electrical Components, 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 issues.
A9 CHECK PCM (POWERTRAIN CONTROL MODULE) OPERATION
  • Ignition OFF.
  • Disconnect and inspect the PCM connectors.
  • Repair:
    • corrosion (install new connector or terminals - clean module pins)
    • damaged or bent terminals/pins - install new terminals/pins
    • pushed-out pins - install new pins as necessary
  • Connect the PCM connectors. Make sure they are fully seated and locked.
  • 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 there are no service articles to resolve this concern,
VIN required to access Guided Routine (PCM)
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 issues.
DIAGNOSTIC TEST B: P0504:00, P0572:00, P0573:00, 1703:00 OR P1935:00

For wiring diagrams and connector information, refer to Section 31 of the wiring diagrams.

Normal Operation and Fault Symptoms

Refer to: Cruise Control - System Operation and Component Description (419-03B Cruise Control - Vehicles With: Adaptive Cruise Control, Description and Operation).

DTC Fault Trigger Conditions

Trouble Code Description Fault Trigger Condition
PCM P0504:00 Brake Switch A/B Correlation: no subtype information This DTC sets when the PCM does not detect the correct input sequence of the brake pedal signal from both the cruise control cancel switch and the stop lamp switches when the brake pedal is pressed and released.
PCM P0572:00 Brake Switch A Circuit Low: no subtype information This DTC sets when the PCM detects an open in the stop lamp switch signal. The PCM monitors vehicle speed, engine speed, engine torque and stop lamp switch inputs during start and stop cycles. If the stop lamp switch input to the PCM is always off during start and stop cycles, this DTC sets as a continuous memory fault.
PCM P0573:00 Brake Switch A Circuit High: no subtype information This DTC sets when the PCM detects a short to voltage in the stop lamp switch signal. The PCM monitors vehicle speed, engine speed, engine torque and stop lamp switch inputs during start and stop cycles. If the stop lamp switch input to the PCM is always on during start and stop cycles, this DTC sets as a continuous memory fault.
PCM P1703:00 Brake switch out of self-test range: no sub-type information This DTC is set in the engine control module during self-test when the brake switch input signal is high or does not switch between high and low.
PCM P1935:00 Brake switch/sensor signal: no sub-type information This DTC sets in the PCM when the PCM does not receive the brake switch input for cruise control cancel.

Possible Sources

  • Wiring, Terminals or Connectors
  • Fuse 44 (10A)
  • Stop Lamp Switch
  • PCM

NOTICE: Use the correct probe adapter(s) when making measurements. Using incorrect probe adapter(s) may damage the connector.

B1 CHECK STOP LAMP OPERATION
  • The ignition is on.
  • Turn on the stop lamps.

Do the stop lamps and high mounted stop lamp operate correctly?
Yes GO to B2
No
Refer to: Stop Lamps (417-01 Exterior Lighting, Diagnosis and Testing).
B2 CHECK BRAKE SWITCH (BOO1) AND CRUISE CONTROL DEACTIVATION SWITCH (BOO2) PID IDENTIFICATION (PIDS)
  • Using the diagnostic scan tool, view the PCM PIDs.
  • Using the table, monitor the PID

    Access the PCM and monitor the BOO1 PID

    (brake pedal switch) and

    Access the PCM and monitor the BOO2 PID

    (cruise control deactivation switch) while pressing and releasing the brake pedal.
    Brake pedal position BOO1 PID BOO2 PID
    Released Off Off
    Applicable firmly On On

Do the PID values match the brake pedal position?
Yes GO to B8
No If the PID BOO1 value is incorrect, GO to B3.
If the PID BOO2 value is incorrect, GO to B4.
B3 CHECK BRAKE SWITCH CIRCUIT
  • Ignition OFF.
  • Disconnect the PCM C175B, 1.5L EcoBoost.
  • Disconnect the PCM C1551B 2 L EcoBoost.
  • Disconnect the PCM C1381B 2.5 L Duratec.
  • The ignition is on.
  • While depressing and releasing the brake pedal, measure:

    1.5 L EcoBoost


    Positive lead Measurement/Action Negative lead
    C175B-10 Ground

    2 L EcoBoost


    Positive lead Measurement/Action Negative lead
    C1551B-10 Ground

    2.5 L Duratec


    Positive lead Measurement/Action Negative lead
    C1381B-14 Ground

Is the voltage greater than 11 V with the brake pedal depressed and 0 V with the brake pedal released?
Yes GO to B8
No REPAIR the circuit.
B4 CHECK CRUISE CONTROL DEACTIVATION SWITCH OPERATION
  • Ignition OFF.
  • Disconnect the PCM C175B 1.5 L EcoBoost.
  • Disconnect the PCM C1551B 2 L EcoBoost.
  • Disconnect the PCM C1381B 2.5 L Duratec.
  • Firmly depress and release the brake pedal, measure:

    1.5 L EcoBoost


    Positive lead Measurement/Action Negative lead
    C175B-11 Ground

    2 L EcoBoost


    Positive lead Measurement/Action Negative lead
    C1551B-11 Ground

    2.5 L Duratec


    Positive lead Measurement/Action Negative lead
    C1381B-12 Ground

Is the resistance less than 3 ohms with the brake pedal released and greater than 10,000 ohms with the brake pedal depressed?
Yes GO to B8
No GO to B5
B5 CHECK CRUISE CONTROL DEACTIVATION SWITCH GROUND CIRCUIT FOR OPEN
  • Disconnect the clutch pedal position (CPP) switch C278.
  • Action:
    Positive lead Measurement/Action Negative lead
    C278-3 Ground

Is the resistance less than 3 ohms?
Yes GO to B6
No REPAIR the circuit.
B6 CHECK CRUISE CONTROL DEACTIVATION SWITCH SIGNAL CIRCUIT FOR SHORT TO GROUND
  • Action:
    Positive lead Measurement/Action Negative lead
    C278-2 Ground

Is the resistance greater than 10000 Ohms?
Yes GO to B7
No REPAIR the circuit.
B7 CHECK CRUISE CONTROL DEACTIVATION SWITCH SIGNAL CIRCUIT FOR OPEN
  • Connect the fused jumper:
    Positive lead Measurement/Action Negative lead
    C278-2 C278-3
  • Action:

    1.5 L EcoBoost


    Positive lead Measurement/Action Negative lead
    C175B-11 Ground

    2 L EcoBoost


    Positive lead Measurement/Action Negative lead
    C1551B-11 Ground

    2.5 L Duratec


    Positive lead Measurement/Action Negative lead
    C1381B-12 Ground

Is the resistance less than 3 ohms?
Yes INSTALL a new brake switch.
Refer to: Brake Switch (417-01 Exterior Lighting, Removal and Installation).
No REPAIR the signal circuit for an open.
B8 CHECK PCM (POWERTRAIN CONTROL MODULE) OPERATION
  • Ignition OFF.
  • Disconnect and inspect the PCM connectors.
  • Repair:
    • corrosion (install new connector or terminals - clean module pins)
    • damaged or bent terminals/pins - install new terminals/pins
    • pushed-out pins - install new pins as necessary
  • Connect the PCM connectors. Make sure they are fully seated and locked.
  • 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 there are no service articles to resolve this concern,
VIN required to access Guided Routine (PCM)
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 issues.
DIAGNOSTIC TEST C: B142E:78, B1432:78 OR B1433:54

For wiring diagrams and connector information, refer to Section 31 of the wiring diagrams.

Normal Operation and Fault Symptoms

Refer to: Cruise Control - System Operation and Component Description (419-03B Cruise Control - Vehicles With: Adaptive Cruise Control, Description and Operation).

DTC Fault Trigger Conditions

Trouble Code Description Fault Trigger Condition
CCM B142E: 78 Front View Sensor Horizontal Alignment: Incorrect Alignment or Adjustment The CCM stores a continuous memory and on-demand DTC if the CCM detects a radar offset due to the horizontal alignment angle being outside the acceptable range.
CCM B1432:78 Front View Sensor Vertical Alignment: Incorrect Alignment or Adjustment The CCM stores a continuous memory and on-demand DTC if the CCM detects a radar offset due to the vertical alignment angle being outside the range.
CCM B1433:54 Front sensor alignment: calibration not performed The CCM stores a continuous memory and on-demand DTC if the CCM detects a radar offset due to the alignment angle deviating outside the range.

Possible Sources

  • CCM alignment
  • CCM bracket
  • CCM

Access the CCM and monitor the ALGN_OFF (degrees) PID

) with a horizontal offset of +/- 3.0 degrees.
C1 CHECK THE CCM (CRUISE CONTROL MODULE) BRACKET
  • Remove the front bumper cover.
    REFER TO: Front Bumper Cover (501-19 Bumpers, Removal and Installation).
  • Inspect the CCM bracket for damage.

Is the CCM bracket damaged?
Yes REPAIR or INSTALL a new CCM bracket, as necessary.
REFER TO: Cruise Control Module (CCM) (419-03B Cruise Control, Vehicles With: Adaptive Cruise Control, Removal and Installation).
No GO to C2
C2 PERFORM THE VERTICAL AND HORIZONTAL ALIGNMENT
  • Perform the alignment procedures for the CCM.
    REFER TO: Cruise Control Radar Alignment (419-03B Cruise Control, Vehicles With: Adaptive Cruise Control, General Procedures).

Is the CCM aligned correctly?
Yes The system is currently operating correctly. The concern was caused by a misaligned sensor.
No INSTALL a new CCM.
REFER TO: Cruise Control Module (CCM) (419-03B Cruise Control, Vehicles With: Adaptive Cruise Control, Removal and Installation).
DIAGNOSTIC TEST D: C1001:08

For wiring diagrams and connector information, refer to Section 31 of the wiring diagrams.

Normal Operation and Fault Symptoms

Refer to: Cruise Control - System Operation and Component Description (419-03B Cruise Control - Vehicles With: Adaptive Cruise Control, Description and Operation).

DTC Fault Trigger Conditions

Trouble Code Description Fault Trigger Condition
CCM C1001:08 Camera System, Machine Vision: Signal/Message Bus Failure This continuous memory and on-demand DTC sets in the CCM when communication messages from the IPMA are not present on the private CAN.

Possible Sources

  • Wiring, Terminals or Connectors
  • Fuse 25 (10A)
  • CCM
  • IPMA

NOTICE: Use the correct probe adapter(s) when making measurements. Using incorrect probe adapter(s) may damage the connector.

D1 PERFORM THE NETWORK TEST
  • The ignition is on.
  • Using a scan tool, perform the network test.

Do the CCM and IPMA pass the network test?
Yes First, CHECK all IPMA diagnostic trouble codes (DTCs).
REFER TO: Lane Keeping System (419-07 Lane Keeping System, Diagnosis and Testing).
If DTC C1001:08 is set, GO to D2.
No
REFER TO: Communication Network (418-00 Communication Network, Diagnosis and Testing).
D2 CHECK THE PRIVATE CAN (CONTROLLER AREA NETWORK) CIRCUITS FOR A SHORT TO VOLTAGE
  • Ignition OFF.
  • Disconnect the CCM C1582.
  • Disconnect the IPMA C9039.
  • The ignition is on.
  • Action:
    Positive lead Measurement/Action Negative lead
    C1582-2 Ground
    C1582-3 Ground

Is there voltage present?
Yes REPAIR the faulty circuit.
No GO to D3
D3 CHECK THE PRIVATE CAN (CONTROLLER AREA NETWORK) CIRCUITS FOR A SHORT TO GROUND
  • Ignition OFF.
  • Action:
    Positive lead Measurement/Action Negative lead
    C1582-2 Ground
    C1582-3 Ground

Is the resistance greater than 10000 ohms?
Yes GO to D4
No REPAIR the faulty circuit.
D4 CHECK THE PRIVATE CAN (CONTROLLER AREA NETWORK) CIRCUITS FOR A SHORT TOGETHER
  • Action:
    Positive lead Measurement/Action Negative lead
    C1582-2 C1582-3

Is the resistance greater than 10000 Ohms?
Yes GO to D5
No REPAIR the circuits.
D5 CHECK THE PRIVATE CAN (CONTROLLER AREA NETWORK) CIRCUITS FOR AN OPEN
  • Action:
    Positive lead Measurement/Action Negative lead
    C1582-2 C9039-11
    C1582-3 C9039-3

Is the resistance less than 3 ohms?
Yes GO to D6
No REPAIR the faulty circuit.
D6 CHECK THE CCM (CRUISE CONTROL MODULE) OPERATION
  • Disconnect and inspect the CCM connectors.
  • Repair:
    • corrosion (install new connector or terminals - clean module pins)
    • damaged or bent terminals/pins - install new terminals/pins
    • pushed-out pins - install new pins as necessary
  • Connect the CCM 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 TSB, GSB, SSM or FSA service articles. If a service article exists for this concern, STOP this test and FOLLOW the service article instructions. If no service article resolves this concern, INSTALL a new CCM.
Refer to: Cruise Control Module (CCM) (419-03B Cruise Control - Vehicles With: Adaptive Cruise Control, Removal and Installation). If the concern persists, GO to D7.
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 issues.
D7 CHECK IPMA (IMAGE PROCESSING MODULE A) OPERATION
  • Disconnect and inspect the IPMA connectors.
  • Repair:
    • corrosion (install new connector or terminals - clean module pins)
    • damaged or bent terminals/pins - install new terminals/pins
    • pushed-out pins - install new pins as necessary
  • Reconnect the IPMA connectors. Make sure they are fully seated and locked.
  • Operate the system and determine if the concern is still present.

Is the concern still present?
Yes CHECK OASIS for any applicable TSB, GSB, SSM or FSA service articles. If a service article exists for this concern, STOP this test and FOLLOW the service article instructions. If no service article resolves this concern, INSTALL a new IPMA. Refer to Section 419-07.
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 issues.
DIAGNOSTIC TEST E: C1A67:96

For wiring diagrams and connector information, refer to Section 31 of the wiring diagrams.

Normal Operation and Fault Symptoms

Refer to: Cruise Control - System Operation and Component Description (419-03B Cruise Control - Vehicles With: Adaptive Cruise Control, Description and Operation).

DTC Fault Trigger Conditions

Trouble Code Description Fault Trigger Condition
DTC C1A67:96 Front Sensor: Internal Component Failure Set when the CCM detects an internal fault or invalid radar data from the radar sensor.

Possible Sources

  • CCM
E1 CHECK CCM (CRUISE CONTROL MODULE) DIAGNOSTIC TROUBLE CODES (DTCS)
  • The ignition is on.
  • Clear the continuous memory diagnostic trouble codes (CMDTCs) from all modules.
  • Ignition OFF.
  • The ignition is on.
  • Wait at least 10 seconds.
  • Using the diagnostic scan tool, perform the CCM self-test.
  • Check the CCM DTCs from the continuous self-test and the on-demand self-test.

Is DTC C1A67:96 recorded?
Yes GO to E2
No The system is currently operating correctly. The DTC may have been set due to an intermittent concern. CHECK the CCM connector and HS-CAN2 wires for corrosion.
E2 CHECK CCM (CRUISE CONTROL MODULE) OPERATION
  • Ignition OFF.
  • Disconnect and inspect the CCM connectors.
  • Repair:
    • corrosion (install new connector or terminals - clean module pins)
    • damaged or bent terminals/pins - install new terminals/pins
    • pushed-out pins - install new pins as necessary
  • Connect the CCM 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 TSB, GSB, SSM or FSA service articles. If a service article exists for this concern, STOP this test and FOLLOW the service article instructions. If no service article resolves this concern, INSTALL a new CCM.
Refer to: Cruise Control Module (CCM) (419-03B Cruise Control - Vehicles With: Adaptive Cruise Control, 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 issues.
DIAGNOSTIC TEST F: ACC (ADAPTIVE CRUISE CONTROL) INOPERATIVE IN RAIN OR SNOW

For wiring diagrams and connector information, refer to Section 31 of the wiring diagrams.

Normal Operation and Fault Symptoms

Refer to: Cruise Control - System Operation and Component Description (419-03B Cruise Control - Vehicles With: Adaptive Cruise Control, Description and Operation).

DTC Fault Trigger Conditions

Trouble Code Description Fault Trigger Condition
DTC C1A67:97 Front View Sensor: Component or System Operation Obstructed or Blocked Set by the CCM as a continuous memory and on-demand DTC when the CCM detects an obstruction or a blocked sensor. This DTC may also set when the CCM does not see a vehicle or object on the road for an extended period.

Possible Sources

  • Front bumper cover
  • Blockage or obstruction
  • CCM mounting bracket
  • CCM alignment
  • CCM
F1 CHECK FRONT BUMPER COVER FOR DAMAGE
  • Inspect the front and rear of the front bumper cover for damage.

Is the front bumper cover damaged?
Yes INSTALL a new front bumper cover, if necessary.
Refer to: Front Bumper Cover (501-19 Bumpers, Removal and Installation).
No GO to F2
F2 CHECK CCM (CRUISE CONTROL MODULE) AND FRONT BUMPER COVER
  • Inspect the front and rear of the front bumper cover and the radar sensor for debris, moisture, snow or ice.

Is the CCM blocked?
Yes CLEAN the front bumper cover and radar sensor, if necessary.
No GO to F3
F3 CHECK CCM (CRUISE CONTROL MODULE) BRACKET FOR PROPER INSTALLATION
  • Inspect the CCM bracket for a loose connection or damage at the attachment points.

Is the CCM bracket loose, bent or damaged?
Yes Properly INSTALL the bracket or INSTALL new bushings, if necessary. ALIGN the sensor.
Refer to: Cruise Control Radar Alignment (419-03B Cruise Control - Vehicles With: Adaptive Cruise Control, General Procedures).
No GO to F4
F4 CHECK CCM (CRUISE CONTROL MODULE) FOR EXCESSIVE VERTICAL TILT
  • Visually inspect the CCM for excessive vertical tilt. The plastic face of the CCM must be perpendicular to the ground.

Is the CCM visibly tilted vertically?
Yes PERFORM the vertical and horizontal alignment check procedures.
Refer to: Cruise Control Radar Alignment (419-03B Cruise Control - Vehicles With: Adaptive Cruise Control, General Procedures).
No GO to F5
F5 PERFORM HORIZONTAL TARGET
  • Using the diagnostic scan tool, perform the horizontal aiming procedure.
  • Using the diagnostic scan tool, perform the CCM self-test.

Does the horizontal aiming procedure complete successfully without setting DTC C1A67:97?
Yes The system is currently operating normally. This condition may have been caused by previous snow or water accumulation or driving on very sparse rural roads.
No GO to F6
F6 CHECK CCM (CRUISE CONTROL MODULE) OPERATION
  • Ignition OFF.
  • Disconnect and inspect the CCM connectors.
  • Repair:
    • corrosion (install new connector or terminals - clean module pins)
    • damaged or bent terminals/pins - install new terminals/pins
    • pushed-out pins - install new pins as necessary
  • Connect the CCM 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 TSB, GSB, SSM or FSA service articles. If a service article exists for this concern, STOP this test and FOLLOW the service article instructions. If no service article resolves this concern, INSTALL a new CCM.
Refer to: Cruise Control Module (CCM) (419-03B Cruise Control - Vehicles With: Adaptive Cruise Control, 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 issues.
DIAGNOSTIC TEST G: C1A67:98

For wiring diagrams and connector information, refer to Section 31 of the wiring diagrams.

Normal Operation and Fault Symptoms

Refer to: Cruise Control - System Operation and Component Description (419-03B Cruise Control - Vehicles With: Adaptive Cruise Control, Description and Operation).

DTC Fault Trigger Conditions

Trouble Code Description Fault Trigger Condition
DTC C1A67:98 Front Sensor: Component or System Overtemp Set when the CCM detects a temperature above the calibrated range. ACC is disabled and the message "Pre-Collision Assist Unavailable" is sent to the IPC message center.

Possible Sources

  • CCM
G1 CHECK CCM (CRUISE CONTROL MODULE) DIAGNOSTIC TROUBLE CODES (DTCS)
  • The ignition is on.
  • Clear the continuous memory diagnostic trouble codes (CMDTCs) from all modules.
  • Ignition OFF.
  • The ignition is on.
  • Wait at least 10 seconds.
  • Using the diagnostic scan tool, perform the CCM self-test.
  • Check the CCM DTCs from the continuous self-test and the on-demand self-test.

Is DTC C1A67:96 recorded?
Yes GO to G2
No The system is currently operating correctly. The DTC may have been set due to an intermittent condition, or the CCM may have cooled sufficiently to clear the DTC.
G2 CHECK CCM (CRUISE CONTROL MODULE) OPERATION
  • Ignition OFF.
  • Disconnect and inspect the CCM connectors.
  • Repair:
    • corrosion (install new connector or terminals - clean module pins)
    • damaged or bent terminals/pins - install new terminals/pins
    • pushed-out pins - install new pins as necessary
  • Connect the CCM 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 TSB, GSB, SSM or FSA service articles. If a service article exists for this concern, STOP this test and FOLLOW the service article instructions. If no service article resolves this concern, INSTALL a new CCM.
Refer to: Cruise Control Module (CCM) (419-03B Cruise Control - Vehicles With: Adaptive Cruise Control, 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 issues.
DIAGNOSTIC TEST H: U2100:00 OR U2300:55

Normal Operation and Fault Symptoms

The correct calibration data must be installed in the CCM and in all programmable control modules.

DTC Fault Trigger Conditions

Trouble Code Description Fault Trigger Condition
CCM configuration incomplete Initial Configuration Not Complete: No Sub Type Information This DTC sets if the CCM configuration is not completed. PERFORM the PMI (when the original module is not available) for the module as directed by the diagnostic scan tool.
Refer to: Module Configuration - System Operation and Component Description (418-01 Module Configuration, Description and Operation).
DTC U2300:55 Central configuration: not configured This DTC sets if the CCM configuration is not completed. PERFORM the PMI (when the original module is not available) for the module as directed by the diagnostic scan tool.
Refer to: Module Configuration - System Operation and Component Description (418-01 Module Configuration, Description and Operation).

Possible Sources

  • Module configuration not completed
  • CCM
H1 CONFIRM DTC (DIAGNOSTIC TROUBLE CODE) CLEARED
  • Review the vehicle service history for recent service actions related to the CCM.
  • The ignition is on.
  • Using a diagnostic scan tool, clear the DTC.
  • Wait 10 seconds.
  • Using the diagnostic scan tool, perform the CCM self-test.

Is DTC U2100:00 or U2300:55 still present?
Yes GO to H2
No The system is currently operating correctly. The DTC may have been set by a falsely installed CCM, which caused the signal to stop instantly and set the DTC.
H2 INSTALL THE CCM (CRUISE CONTROL MODULE) PMI (PROGRAMMABLE MODULE INSTALLATION)
  • Using the diagnostic scan tool, clear the Diagnostic Trouble Codes (DTCs).
  • Install the CCM As-Built data from PTS, following the scan tool instructions.

Is DTC U2100:00 or U2300:55 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 information exists to resolve this concern, INSTALL a new CCM.
REFER TO: Cruise Control Module (CCM) (419-03B Cruise Control - Vehicles With: Adaptive Cruise Control, Removal and Installation).
No The system is currently operating correctly.
DIAGNOSTIC TEST I: U3000:41, U3000:42, U3000:44 OR U3000:49

For wiring diagrams and connector information, refer to Section 31 of the wiring diagrams.

Normal Operation and Fault Symptoms

Refer to: Cruise Control - System Operation and Component Description (419-03B Cruise Control - Vehicles With: Adaptive Cruise Control, Description and Operation).

DTC Fault Trigger Conditions

Trouble Code Description Fault Trigger Condition
DTC U3000:41 Control Module: General Checksum Failure This DTC sets when the CCM starts the operation, all preconditions in the test run/fail criteria are met, and invalid checksum values are calculated. The cluster displays "Pre-Collision Assist Unavailable", and if the ACC system is enabled, the instrument cluster displays "Cruise Not Available".
DTC U3000:42 Control Module: General Memory Failure This DTC sets when the CCM starts the operation, all preconditions in the test run/fail criteria are met, and an internal memory failure is detected. The cluster displays "Pre-Collision Assist Unavailable", and if the ACC system is enabled, the instrument cluster displays "Cruise Not Available".
DTC U3000:44 Control Module: Data Memory Failure This DTC sets when the CCM starts the operation, all preconditions in the test run/fail criteria are met, and a RAM failure is detected. The instrument cluster displays "Pre-Collision Assist Unavailable", and if the ACC system is enabled, the instrument cluster displays "Cruise Not Available".
DTC U3000:49 Control Module: Internal Electronic Failure This DTC sets when the CCM starts the operation, all preconditions in the test run/fail criteria are met, and an internal electronic fault is detected. The cluster displays "Pre-Collision Assist Unavailable", and if the ACC system is enabled, the instrument cluster displays "Cruise Not Available".

Possible Sources

  • CCM
I1 CHECK THE CCM (CRUISE CONTROL MODULE) DIAGNOSTIC TROUBLE CODES (DTCS)
  • Using the diagnostic scan tool, CLEAR the CCM DTCs.
  • Check the ACC system.
  • Using the diagnostic scan tool, REPEAT the CCM self-test.

Are DTC U3000:41, U3000:42, U3000:44 or U3000:49 recorded?
Yes GO to I2.
No The system is currently operating correctly. The DTC may have been set due to an intermittent condition.
I2 CHECK THE CCM (CRUISE CONTROL MODULE) FOR CORRECT OPERATION
  • Ignition OFF.
  • Disconnect and inspect the CCM connector.
  • Repair:
    • corrosion (install new connector or terminals - clean module pins)
    • damaged or bent terminals/pins - install new terminals/pins
    • pushed-out pins - install new pins as necessary
  • Reconnect the CCM connector. Make sure that it is installed correctly and that it clicks into place.
  • 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 information exists to resolve this concern, INSTALL a new CCM.
REFER TO: Cruise Control Module (CCM) (419-03B Cruise Control - Vehicles With: Adaptive Cruise Control, 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 issues.
DIAGNOSTIC TEST J: U3002:62

For wiring diagrams and connector information, refer to Section 31 of the wiring diagrams.

Normal Operation and Fault Symptoms

Refer to: Cruise Control - System Operation and Component Description (419-03B Cruise Control - Vehicles With: Adaptive Cruise Control, Description and Operation).

DTC Fault Trigger Conditions

Trouble Code Description Fault Trigger Condition
DTC U3002:62 Vehicle Identification Number: Signal Comparison Failure This DTC sets when the VIN stored in the CCM does not match the VIN determined in the BCM. This may indicate that the original CCM is not installed in the vehicle or is incorrectly configured. PERFORM PMI (when the original module is not available) for the module in question as directed by the diagnostic scan tool.

Possible Sources

  • VIN Mismatch
Diagnostic steps are not provided for this symptom or diagnostic trouble code. REFER TO: Diagnostic Methods (100-00 General Information, Description and Operation).
DIAGNOSTIC TEST K: U3003:16

For wiring diagrams and connector information, refer to Section 31 of the wiring diagrams.

Normal Operation and Fault Symptoms

Refer to: Cruise Control - System Operation and Component Description (419-03B Cruise Control - Vehicles With: Adaptive Cruise Control, Description and Operation).

DTC Fault Trigger Conditions

Trouble Code Description Fault Trigger Condition
DTC U3003:16 Battery Voltage: Circuit Voltage Below Threshold Sets as a continuous memory and on-demand DTC if the CCM detects battery voltage below 9.5 volts for more than 500 ms.

Possible Sources

  • Wiring, Terminals and Connectors
  • Battery
  • Generator
  • CCM
  • PCM

NOTICE: Use the correct probe adapter(s) when making measurements. Using incorrect probe adapter(s) may damage the connector.

K1 RECHECK THE CCM (CRUISE CONTROL MODULE) DIAGNOSTIC TROUBLE CODES (DTCS)
  • The ignition is on.
  • Using the diagnostic scan tool, perform a self-test.

IS DTC U3003:16 STILL PRESENT?
Yes GO to K2
No The system is currently operating correctly. The DTC may have been set due to a previous low battery voltage condition.
K2 CHECK THE PCM (POWERTRAIN CONTROL MODULE) CHARGING SYSTEM DIAGNOSTIC TROUBLE CODES (DTCS)
  • Using the diagnostic scan tool, perform a PCM self-test.

Are any charging system DTCs present in the PCM?
Yes Refer to the Powertrain Diagnostic Trouble Code Index.
No GO to K3
K3 CHECK THE BATTERY CONDITION AND CHARGE
  • Check the battery condition and make sure the battery is fully charged.
    REFER TO: Battery (414-01 Battery, Mounting and Cables, Diagnosis and Testing).

Is the battery in good condition and fully charged?
Yes GO to K4
No INSTALL a new battery.
REFER TO: Battery (414-01 Battery, Mounting and Cables, Removal and Installation).
K4 CHECK THE CCM (CRUISE CONTROL MODULE) VOLTAGE
  • Ignition OFF.
  • Disconnect the CCM C1582.
  • The ignition is on.
  • Measure and record the battery voltage.
  • Action:
    Positive lead Measurement/Action Negative lead
    C1582-1 Ground

Is the voltage within 0.2 volts of the recorded battery voltage?
Yes GO to K5
No REPAIR the high resistance circuit.
K5 CHECK THE CCM (CRUISE CONTROL MODULE) GROUND CIRCUIT
  • Ignition OFF.
  • Action:
    Positive lead Measurement/Action Negative lead
    C1582-4 Ground

Is the resistance less than 3 ohms?
Yes GO to K6
No REPAIR the high resistance circuit.
K6 CHECK THE CCM (CRUISE CONTROL MODULE) FOR CORRECT OPERATION
  • Ignition OFF.
  • Disconnect and inspect the CCM connector.
  • Repair:
    • corrosion (install new connector or terminals - clean module pins)
    • damaged or bent terminals/pins - install new terminals/pins
    • pushed-out pins - install new pins as necessary
  • Reconnect the CCM connector. Make sure that 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 TSB, GSB, SSM or FSA service articles. If a service article exists for this concern, STOP this test and FOLLOW the service article instructions. If no service article resolves this concern, INSTALL a new CCM.
Refer to: Cruise Control Module (CCM) (419-03B Cruise Control - Vehicles With: Adaptive Cruise Control, 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 issues.
DIAGNOSTIC TEST L: U3003:17

For wiring diagrams and connector information, refer to Section 31 of the wiring diagrams.

Normal Operation and Fault Symptoms

Refer to: Cruise Control - System Operation and Component Description (419-03B Cruise Control - Vehicles With: Adaptive Cruise Control, Description and Operation).

DTC Fault Trigger Conditions

Trouble Code Description Fault Trigger Condition
DTC U3003:17 Battery Voltage: Circuit Voltage Above Threshold Sets as a continuous memory and on-demand DTC if the CCM detects battery voltage above 16.5 volts for 500 ms.

Possible Sources

  • Generator
  • CCM
  • PCM
L1 CHECK FOR DTC (DIAGNOSTIC TROUBLE CODE) U3003:17, P0563:00 OR P0626:00 SET IN OTHER MODULES
  • The ignition is on.
  • Using a diagnostic scan tool, retrieve Continuous Memory Diagnostic Trouble Codes (CMDTCs) from all modules.

Are DTC U3003:17, P0563:00 or P0626:00 set in more than one module?
Yes Refer to the Powertrain Diagnostic Trouble Code Index.
No GO to L2
L2 CHECK THE BATTERY VOLTAGE
  • Turn off all interior/exterior lamps and accessories.
  • Start the engine and run it at approximately 2000 rpm for three minutes while monitoring the battery voltage.

Does the battery voltage rise to 15.5 volts or higher?
Yes
REFER TO: Battery (414-01 Battery, Mounting and Cables, Diagnosis and Testing).
No GO to L3
L3 RECHECK FOR DTC (DIAGNOSTIC TROUBLE CODE) U3003:17
  • Ignition OFF.
  • The ignition is on.
  • Using the diagnostic scan tool, clear the CM DTCs.
  • Using the diagnostic scan tool, perform the CCM self-test.

IS DTC U3003:17 STILL PRESENT?
Yes GO to L4
No The system is currently operating normally. The DTC may have been set previously during battery charging or when jump-starting the vehicle.
L4 CHECK THE CCM (CRUISE CONTROL MODULE) FOR CORRECT OPERATION
  • Ignition OFF.
  • Disconnect and inspect the CCM connector.
  • Repair:
    • corrosion (install new connector or terminals - clean module pins)
    • damaged or bent terminals/pins - install new terminals/pins
    • pushed-out pins - install new pins as necessary
  • Reconnect the CCM connector. Make sure that 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 TSB, GSB, SSM or FSA service articles. If a service article exists for this concern, STOP this test and FOLLOW the service article instructions. If no service article resolves this concern, INSTALL a new CCM.
Refer to: Cruise Control Module (CCM) (419-03B Cruise Control - Vehicles With: Adaptive Cruise Control, 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 issues.
DIAGNOSTIC TEST M: ACC (ADAPTIVE CRUISE CONTROL) BRAKING CONCERNS

Normal Operation and Fault Symptoms

The ACC system may occasionally detect and react to vehicles outside the lane, especially on curves, ramps, or when changing lanes.

Unexpected ACC Braking

    Unexpected ACC Braking

  • CHECK the CCM unit and front bumper cover for damage.
    • RECHECK the ACC system.

Delayed or No ACC Braking

    Delayed or No ACC Braking

  • CHECK the CCM unit and front bumper cover for damage.
    • If no damage is found, RECHECK the ACC system.
  • INSPECT the radar mounting to the bracket for damage, loose washers or nuts, or studs that have come loose from the ball stud. This may cause the module to not be aligned parallel to the ground.
  • Incorrect alignment may cause a delay in detection.
    • If there are any concerns, REPAIR the attachment hardware and CHECK the radar alignment. Refer to: Cruise Control Radar Adjustment (419-03B Cruise Control - Vehicles With: Adaptive Cruise Control, General Procedures).
  • If no damage is found and the bracket mounting is in good condition, RECHECK the ACC system.

ACC does not decelerate the vehicle until it is too close to the lead vehicle. Does not detect the lead vehicle or a vehicle following closer than the set time gap.

    ACC does not decelerate the vehicle until it is too close to the lead vehicle. Does not detect the lead vehicle or a vehicle following closer than the set time gap.

  • CHECK the CCM unit and front bumper cover for damage.
    • If no damage is found, RECHECK the ACC system.
  • INSPECT the radar mounting to the bracket for damage, loose washers or nuts, or studs that have come loose from the ball stud. This may cause the module to not be aligned parallel to the ground.
  • Incorrect alignment may cause a delay in detection.
    • If there are any concerns, REPAIR the attachment hardware and CHECK the radar alignment. Refer to: Cruise Control Radar Adjustment (419-03B Cruise Control - Vehicles With: Adaptive Cruise Control, General Procedures).
  • If no damage is found and the bracket mounting is in good condition, RECHECK the ACC system.

High sensitivity collision warnings appear on bridges.

    High sensitivity collision warnings appear on bridges.

  • INSPECT the radar mounting to the bracket for damage, loose washers or nuts, or studs that have come loose from the ball stud. This may cause the module to not be aligned parallel to the ground.
  • Incorrect alignment may cause a delay in detection.
    • If there are any concerns, REPAIR the attachment hardware and CHECK the radar alignment. Refer to: Cruise Control Radar Adjustment (419-03B Cruise Control - Vehicles With: Adaptive Cruise Control, General Procedures).
  • If no damage is found and the bracket mounting is in good condition, RECHECK the ACC system.

Possible Sources

  • Front bumper cover
  • Blockage or obstruction
  • CCM mounting bracket
  • CCM alignment
  • CCM
Diagnostic steps are not provided for this symptom or diagnostic trouble code. REFER TO: Diagnostic Methods (100-00 General Information, Description and Operation).

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