Ford Explorer Quiz
Powertrain

Diagnosis and Testing - Symptom Diagnosis

In this manual: Powertrain
General Information — 41Chassis — 173Powertrain — 250Electrical — 303Body and Paint — 331
~32min read

Symptom Chart: Automatic Transmission

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).

In most cases, the PCM/TCM sets a diagnostic trouble code (DTC) to help with diagnosis. Refer to the DTC before using the Symptom Chart. The Condition column lists the vehicle conditions. The Action column refers to a pinpoint test. Each pinpoint test lists the possible symptoms and the components that may cause each symptom. The components are listed in the order of disassembly.


Symptom Chart


Customer Symptom Action
No Engagement - Drive GO to Pinpoint Test A
No Engagement - Reverse GO to Pinpoint Test B
No Engagement - Both Drive and Reverse GO to Pinpoint Test C
Engagement Quality - Drive GO to Pinpoint Test D
Engagement Quality - Reverse GO to Pinpoint Test E
Engagement Quality - Both Drive and Reverse GO to Pinpoint Test F
Engagement Quality - Park GO to Pinpoint Test G
Upshift Quality - Single Gear Affected GO to Pinpoint Test H
Downshift Quality - Single Gear Affected GO to Pinpoint Test I
Upshift Quality - Multiple Gears Affected GO to Pinpoint Test J
Downshift Quality - Multiple Gears Affected GO to Pinpoint Test J
Torque Converter Clutch Operation GO to Pinpoint Test K
Transmission Fluid Contamination, Leakage, Overheating GO to Pinpoint Test L
Noise, Vibration, Harshness GO to Pinpoint Test M
Other Concerns GO to Pinpoint Test N

Pinpoint Tests


PINPOINT TEST A: NO ENGAGEMENT - FORWARD

Normal Operation and Fault Symptoms

  • No Drive
    • Check clutch A for a not operating condition. Refer to: A Clutch (307-01A Automatic Transmission - 10-Speed Automatic Transmission - 10R60, Diagnosis and Testing).
    • Check clutch E for a not operating condition. Refer to: E Clutch (307-01A Automatic Transmission - 10-Speed Automatic Transmission - 10R60, Diagnosis and Testing).
    • Check the low one-way clutch for slipping. Refer to: Low One-Way Clutch Assembly (307-01A Automatic Transmission - 10-Speed Automatic Transmission - 10R60, Diagnosis and Testing).

Possible Sources

  • Clutch malfunction
No diagnostic actions are available for this symptom or DTC. Refer to: Diagnostic Methods (100-00 General Information, Description and Operation).
PINPOINT TEST B: NO ENGAGEMENT - REVERSE

Normal Operation and Fault Symptoms

  • No Reverse
    • Check clutch B for a not operating condition. Refer to: Clutch B (307-01A Automatic Transmission - 10-Speed Automatic Transmission - 10R60, Diagnosis and Testing).
    • Check clutch D for a not operating condition. Refer to: D Clutch (307-01A Automatic Transmission - 10-Speed Automatic Transmission - 10R60, Diagnosis and Testing).
    • Check clutch F for a not operating condition. Refer to: F Clutch (307-01A Automatic Transmission - 10-Speed Automatic Transmission - 10R60, Diagnosis and Testing).

Possible Sources

  • Clutch malfunction
No diagnostic actions are available for this symptom or DTC. Refer to: Diagnostic Methods (100-00 General Information, Description and Operation).
PINPOINT TEST C: NO ENGAGEMENT - BOTH FORWARD AND REVERSE

Normal Operation and Fault Symptoms

  • No Drive and No Reverse
    • Check the transmission fluid level. Refer to: Transmission Fluid Level Check (307-01A Automatic Transmission - 10-Speed Automatic Transmission - 10R60, General Procedures).
    • Collect a transmission fluid sample and inspect it for signs of contamination or wear. Refer to: Preliminary Inspection (307-01A Automatic Transmission - 10-Speed Automatic Transmission - 10R60, Diagnosis and Testing).
    • For vehicles with a shift cable selector, check the shift cable installation and adjustment.
    • Perform a line pressure test. If line pressure is low, refer to the Line Pressure Diagnosis Chart for further diagnosis. Refer to: Special Testing Procedures (307-01A Automatic Transmission - 10-Speed Automatic Transmission - 10R60, Diagnosis and Testing).
    • Check clutch A for a not operating condition. Refer to: A Clutch (307-01A Automatic Transmission - 10-Speed Automatic Transmission - 10R60, Diagnosis and Testing).
    • Inspect the turbine shaft splines on the transmission input shaft and the torque converter turbine. INSTALL new components as necessary. Refer to: Transmission (307-01A Automatic Transmission - 10-Speed Automatic Transmission - 10R60, Overhaul).
    • Inspect the internal transmission components for damage. INSTALL new components as necessary. Refer to: Transmission (307-01A Automatic Transmission - 10-Speed Automatic Transmission - 10R60, Overhaul).

Possible Sources

  • Low transmission fluid level
  • Low Line Pressure
  • Clutch malfunction
  • Damaged turbine shaft splines
  • Internal transmission components
No diagnostic actions are available for this symptom or DTC. Refer to: Diagnostic Methods (100-00 General Information, Description and Operation).
PINPOINT TEST D: ENGAGEMENT QUALITY - FORWARD

Normal Operation and Fault Symptoms

  • Delayed/Soft Engagement Drive
    • Check the transmission fluid level. Refer to: Transmission Fluid Level Check (307-01A Automatic Transmission - 10-Speed Automatic Transmission - 10R60, General Procedures).
    • Perform a line pressure test. If line pressure is low, refer to the Line Pressure Diagnosis Chart for further diagnosis. Refer to: Special Testing Procedures (307-01A Automatic Transmission - 10-Speed Automatic Transmission - 10R60, Diagnosis and Testing).
    • Perform the Transmission Strategy Download and the Adaptive Learning Drive Cycle. Refer to: Transmission Strategy Download (307-01A Automatic Transmission - 10-Speed Automatic Transmission - 10R60, General Procedures).
      Refer to: Adaptive Learning Drive Cycle (307-01A Automatic Transmission - 10-Speed Automatic Transmission - 10R60, General Procedures).
    • Check clutch A for slipping. Refer to: Clutch A (307-01A Automatic Transmission - 10-Speed Automatic Transmission - 10R60, Diagnosis and Testing).
    • Check clutch E for slipping. Refer to: E Clutch (307-01A Automatic Transmission - 10-Speed Automatic Transmission - 10R60, Diagnosis and Testing).
    • Check the low one-way clutch for slipping. Refer to: Low One-Way Clutch Assembly (307-01A Automatic Transmission - 10-Speed Automatic Transmission - 10R60, Diagnosis and Testing).
  • Harsh Engagement Drive
    • Perform the Transmission Strategy Download and the Adaptive Learning Drive Cycle. Refer to: Transmission Strategy Download (307-01A Automatic Transmission - 10-Speed Automatic Transmission - 10R60, General Procedures).
      Refer to: Adaptive Learning Drive Cycle (307-01A Automatic Transmission - 10-Speed Automatic Transmission - 10R60, General Procedures).
    • Perform a line pressure test. If line pressure is high, refer to the Line Pressure Diagnosis Chart for further diagnosis. Refer to: Special Testing Procedures (307-01A Automatic Transmission - 10-Speed Automatic Transmission - 10R60, Diagnosis and Testing).
    • Check clutch E for harsh engagement. Refer to: E Clutch (307-01A Automatic Transmission - 10-Speed Automatic Transmission - 10R60, Diagnosis and Testing).
    • Check clutch A for a delayed engagement condition. Refer to: A Clutch (307-01A Automatic Transmission - 10-Speed Automatic Transmission - 10R60, Diagnosis and Testing).
    • Check the low one-way clutch for damage. Refer to: Low One-Way Clutch Assembly (307-01A Automatic Transmission - 10-Speed Automatic Transmission - 10R60, Diagnosis and Testing).
  • Neutral After Start
    • Check the low one-way clutch for slipping. Refer to: Low One-Way Clutch Assembly (307-01A Automatic Transmission - 10-Speed Automatic Transmission - 10R60, Diagnosis and Testing).
  • Flare on Hard Acceleration in 1A and 2A
    • Check the low one-way clutch for slipping. Refer to: Low One-Way Clutch Assembly (307-01A Automatic Transmission - 10-Speed Automatic Transmission - 10R60, Diagnosis and Testing).
  • Harsh/Soft/Delayed Engagement After Start/Stop Restart
    • CHECK the auxiliary transmission fluid pump, seals and hydraulic passages for damage, restrictions or leaks. CLEAN or INSTALL new components as necessary. REFER TO: Auxiliary Transmission Fluid Pump (307-01A Automatic Transmission - 10-Speed Automatic Transmission - 10R60, Removal and Installation).

Possible Sources

  • Damaged Shift Strategy
  • Low transmission fluid level
  • Low or High Line Pressure
  • Clutch malfunction
  • Auxiliary Transmission Fluid Pump Malfunction
No diagnostic actions are available for this symptom or DTC. Refer to: Diagnostic Methods (100-00 General Information, Description and Operation).
PINPOINT TEST E: ENGAGEMENT QUALITY - REVERSE

Normal Operation and Fault Symptoms

  • Delayed/Soft Engagement
    • Check the transmission fluid level. Refer to: Transmission Fluid Level Check (307-01A Automatic Transmission - 10-Speed Automatic Transmission - 10R60, General Procedures).
    • Perform a line pressure test. If line pressure is low, refer to the Line Pressure Diagnosis Chart for further diagnosis. Refer to: Special Testing Procedures (307-01A Automatic Transmission - 10-Speed Automatic Transmission - 10R60, Diagnosis and Testing).
    • Perform the Transmission Strategy Download and the Adaptive Learning Drive Cycle. Refer to: Transmission Strategy Download (307-01A Automatic Transmission - 10-Speed Automatic Transmission - 10R60, General Procedures).
      Refer to: Adaptive Learning Drive Cycle (307-01A Automatic Transmission - 10-Speed Automatic Transmission - 10R60, General Procedures).
    • Check clutch B for slipping. REFER TO: Clutch B (307-01A Automatic Transmission - 10-Speed Automatic Transmission - 10R60, Diagnosis and Testing).
    • Check clutch D for slipping. REFER TO: Clutch D (307-01A Automatic Transmission - 10-Speed Automatic Transmission - 10R60, Diagnosis and Testing).
    • Check clutch F for slipping. REFER TO: Clutch F (307-01A Automatic Transmission - 10-Speed Automatic Transmission - 10R60, Diagnosis and Testing).
  • Harsh Engagement
    • Perform the Transmission Strategy Download and the Adaptive Learning Drive Cycle. Refer to: Transmission Strategy Download (307-01A Automatic Transmission - 10-Speed Automatic Transmission - 10R60, General Procedures).
      Refer to: Adaptive Learning Drive Cycle (307-01A Automatic Transmission - 10-Speed Automatic Transmission - 10R60, General Procedures).
    • Perform a line pressure test. If line pressure is high, refer to the Line Pressure Diagnosis Chart for further diagnosis. Refer to: Special Testing Procedures (307-01A Automatic Transmission - 10-Speed Automatic Transmission - 10R60, Diagnosis and Testing).
    • Check clutch B for delayed engagement. REFER TO: Clutch B (307-01A Automatic Transmission - 10-Speed Automatic Transmission - 10R60, Diagnosis and Testing).
    • Check clutch D for harsh engagement. REFER TO: Clutch D (307-01A Automatic Transmission - 10-Speed Automatic Transmission - 10R60, Diagnosis and Testing).
    • Check clutch F for harsh engagement. REFER TO: Clutch F (307-01A Automatic Transmission - 10-Speed Automatic Transmission - 10R60, Diagnosis and Testing).

Possible Sources

  • Damaged Shift Strategy
  • Low transmission fluid level
  • Low or High Line Pressure
  • Clutch malfunction
No diagnostic actions are available for this symptom or DTC. Refer to: Diagnostic Methods (100-00 General Information, Description and Operation).
PINPOINT TEST F: ENGAGEMENT QUALITY - FORWARD AND REVERSE

Normal Operation and Fault Symptoms

  • Delayed/Soft Forward and Reverse Engagement
    • Check the transmission fluid level. Refer to: Transmission Fluid Level Check (307-01A Automatic Transmission - 10-Speed Automatic Transmission - 10R60, General Procedures).
    • Collect a transmission fluid sample and inspect it for signs of contamination or wear. Refer to: Preliminary Inspection (307-01A Automatic Transmission - 10-Speed Automatic Transmission - 10R60, Diagnosis and Testing).
    • Perform a line pressure test. If line pressure is low, refer to the Line Pressure Diagnosis Chart for further diagnosis. Refer to: Special Testing Procedures (307-01A Automatic Transmission - 10-Speed Automatic Transmission - 10R60, Diagnosis and Testing).
    • Perform the Transmission Strategy Download and the Adaptive Learning Drive Cycle. Refer to: Transmission Strategy Download (307-01A Automatic Transmission - 10-Speed Automatic Transmission - 10R60, General Procedures).
      Refer to: Adaptive Learning Drive Cycle (307-01A Automatic Transmission - 10-Speed Automatic Transmission - 10R60, General Procedures).
    • Check clutch A for slipping. REFER TO: Clutch A (307-01A Automatic Transmission - 10-Speed Automatic Transmission - 10R60, Diagnosis and Testing).
  • Harsh Forward and Reverse Engagement
    • Perform the Transmission Strategy Download and the Adaptive Learning Drive Cycle. Refer to: Transmission Strategy Download (307-01A Automatic Transmission - 10-Speed Automatic Transmission - 10R60, General Procedures).
      Refer to: Adaptive Learning Drive Cycle (307-01A Automatic Transmission - 10-Speed Automatic Transmission - 10R60, General Procedures).
    • Perform a line pressure test. If line pressure is high, refer to the Line Pressure Diagnosis Chart for further diagnosis. Refer to: Special Testing Procedures (307-01A Automatic Transmission - 10-Speed Automatic Transmission - 10R60, Diagnosis and Testing).

Possible Sources

  • Damaged Shift Strategy
  • Low transmission fluid level
  • Low or High Line Pressure
  • Clutch malfunction
No diagnostic actions are available for this symptom or DTC. Refer to: Diagnostic Methods (100-00 General Information, Description and Operation).
PINPOINT TEST G: ENGAGEMENT QUALITY - PARK

Normal Operation and Fault Symptoms

  • Stuck in Park
    • To diagnose a stuck in Park condition, REFER TO: External Controls (307-05A External Automatic Transmission Controls - 10-Speed Automatic Transmission - 10R60, Diagnosis and Testing).
  • Park Will Not Engage
    • To diagnose a Park will not engage condition, REFER TO: External Controls (307-05A External Automatic Transmission Controls - 10-Speed Automatic Transmission - 10R60, Diagnosis and Testing).
  • Delayed Shift Out of Park at Ambient Temperatures Below -20°C (-4°F) (Vehicles Equipped with Electronic Shift)
    • Extremely low ambient temperatures may delay the Park lock solenoid engagement by up to 10 seconds. CHECK operation at operating temperatures.

Possible Sources

  • Installation or Adjustment of the Shift Lever Cable
  • Park Manual Release
  • GSM
  • Low Line Pressure
  • Clutch malfunction
  • Internal transmission components
No diagnostic actions are available for this symptom or DTC. Refer to: Diagnostic Methods (100-00 General Information, Description and Operation).
PINPOINT TEST H: UPSHIFT QUALITY - ONE GEAR AFFECTED

Normal Operation and Fault Symptoms

  • No 1-2 Shift/Harsh/Soft/Slipping
    • Check clutch C for a stuck-off condition. REFER TO: Clutch C (307-01A Automatic Transmission - 10-Speed Automatic Transmission - 10R60, Diagnosis and Testing).
    • Check clutch E for a stuck-on condition. REFER TO: Clutch E (307-01A Automatic Transmission - 10-Speed Automatic Transmission - 10R60, Diagnosis and Testing).
    • Check clutch A for slipping. REFER TO: Clutch A (307-01A Automatic Transmission - 10-Speed Automatic Transmission - 10R60, Diagnosis and Testing).
    • Check clutch D for slipping. REFER TO: Clutch D (307-01A Automatic Transmission - 10-Speed Automatic Transmission - 10R60, Diagnosis and Testing).
    • Check the low one-way clutch for damage or wear. REFER TO: Low One-Way Clutch Assembly (307-01A Automatic Transmission - 10-Speed Automatic Transmission - 10R60, Diagnosis and Testing).
  • No 2-3 Shift/Harsh/Soft/Slipping
    • Check clutch E for a not operating condition. Refer to: E Clutch (307-01A Automatic Transmission - 10-Speed Automatic Transmission - 10R60, Diagnosis and Testing).
    • Check the low one-way clutch for sticking and seizing. REFER TO: Low One-Way Clutch Assembly (307-01A Automatic Transmission - 10-Speed Automatic Transmission - 10R60, Diagnosis and Testing).
    • Check clutch A for slipping. REFER TO: Clutch A (307-01A Automatic Transmission - 10-Speed Automatic Transmission - 10R60, Diagnosis and Testing).
    • Check clutch C for slipping. REFER TO: Clutch C (307-01A Automatic Transmission - 10-Speed Automatic Transmission - 10R60, Diagnosis and Testing).
    • Check clutch D for slipping. REFER TO: Clutch D (307-01A Automatic Transmission - 10-Speed Automatic Transmission - 10R60, Diagnosis and Testing).
  • No 3-4 Shift/Harsh/Soft/Slipping
    • Check clutch F for a not operating condition. Refer to: F Clutch (307-01A Automatic Transmission - 10-Speed Automatic Transmission - 10R60, Diagnosis and Testing).
    • Check clutch E for a stuck-on condition. REFER TO: Clutch E (307-01A Automatic Transmission - 10-Speed Automatic Transmission - 10R60, Diagnosis and Testing).
    • Check clutch A for slipping. REFER TO: Clutch A (307-01A Automatic Transmission - 10-Speed Automatic Transmission - 10R60, Diagnosis and Testing).
    • Check clutch C for slipping. REFER TO: Clutch C (307-01A Automatic Transmission - 10-Speed Automatic Transmission - 10R60, Diagnosis and Testing).
    • Check clutch D for slipping. REFER TO: Clutch D (307-01A Automatic Transmission - 10-Speed Automatic Transmission - 10R60, Diagnosis and Testing).
  • No 4-5 Shift/Harsh/Soft/Slipping
    • Check clutch E for a not operating condition. Refer to: E Clutch (307-01A Automatic Transmission - 10-Speed Automatic Transmission - 10R60, Diagnosis and Testing).
    • Check clutch D for a stuck-on condition. REFER TO: Clutch D (307-01A Automatic Transmission - 10-Speed Automatic Transmission - 10R60, Diagnosis and Testing).
    • Check clutch A for slipping. REFER TO: Clutch A (307-01A Automatic Transmission - 10-Speed Automatic Transmission - 10R60, Diagnosis and Testing).
    • Check clutch C for slipping. REFER TO: Clutch C (307-01A Automatic Transmission - 10-Speed Automatic Transmission - 10R60, Diagnosis and Testing).
    • Check clutch F for slipping. REFER TO: Clutch F (307-01A Automatic Transmission - 10-Speed Automatic Transmission - 10R60, Diagnosis and Testing).
  • No 5-6 Shift/Harsh/Soft/Slipping
    • Check clutch D for a not operating condition. Refer to: D Clutch (307-01A Automatic Transmission - 10-Speed Automatic Transmission - 10R60, Diagnosis and Testing).
    • Check clutch C for a stuck-on condition. REFER TO: Clutch C (307-01A Automatic Transmission - 10-Speed Automatic Transmission - 10R60, Diagnosis and Testing).
    • Check clutch A for slipping. REFER TO: Clutch A (307-01A Automatic Transmission - 10-Speed Automatic Transmission - 10R60, Diagnosis and Testing).
    • Check clutch E for slipping. Refer to: E Clutch (307-01A Automatic Transmission - 10-Speed Automatic Transmission - 10R60, Diagnosis and Testing).
    • Check clutch F for slipping. REFER TO: Clutch F (307-01A Automatic Transmission - 10-Speed Automatic Transmission - 10R60, Diagnosis and Testing).
  • No 6-7 Shift/Harsh/Soft/Slipping
    • Check clutch C for a stuck-off condition. REFER TO: Clutch C (307-01A Automatic Transmission - 10-Speed Automatic Transmission - 10R60, Diagnosis and Testing).
    • Check clutch A for a stuck-on condition. REFER TO: Clutch A (307-01A Automatic Transmission - 10-Speed Automatic Transmission - 10R60, Diagnosis and Testing).
    • Check clutch D for slipping. REFER TO: Clutch D (307-01A Automatic Transmission - 10-Speed Automatic Transmission - 10R60, Diagnosis and Testing).
    • Check clutch E for slipping. Refer to: E Clutch (307-01A Automatic Transmission - 10-Speed Automatic Transmission - 10R60, Diagnosis and Testing).
    • Check clutch F for slipping. REFER TO: Clutch F (307-01A Automatic Transmission - 10-Speed Automatic Transmission - 10R60, Diagnosis and Testing).
  • No 7-8 Shift/Harsh/Soft/Slipping
    • Check clutch B for a not operating condition. Refer to: Clutch B (307-01A Automatic Transmission - 10-Speed Automatic Transmission - 10R60, Diagnosis and Testing).
    • Check clutch C for a stuck-on condition. REFER TO: Clutch C (307-01A Automatic Transmission - 10-Speed Automatic Transmission - 10R60, Diagnosis and Testing).
    • Check clutch D for slipping. REFER TO: Clutch D (307-01A Automatic Transmission - 10-Speed Automatic Transmission - 10R60, Diagnosis and Testing).
    • Check clutch E for slipping. Refer to: E Clutch (307-01A Automatic Transmission - 10-Speed Automatic Transmission - 10R60, Diagnosis and Testing).
    • Check clutch F for slipping. REFER TO: Clutch F (307-01A Automatic Transmission - 10-Speed Automatic Transmission - 10R60, Diagnosis and Testing).
  • No 8-9 Shift/Harsh/Soft/Slipping
    • Check clutch C for a stuck-off condition. REFER TO: Clutch C (307-01A Automatic Transmission - 10-Speed Automatic Transmission - 10R60, Diagnosis and Testing).
    • Check clutch D for a stuck-on condition. REFER TO: Clutch D (307-01A Automatic Transmission - 10-Speed Automatic Transmission - 10R60, Diagnosis and Testing).
    • Check clutch B for slipping. REFER TO: Clutch B (307-01A Automatic Transmission - 10-Speed Automatic Transmission - 10R60, Diagnosis and Testing).
    • Check clutch E for slipping. Refer to: E Clutch (307-01A Automatic Transmission - 10-Speed Automatic Transmission - 10R60, Diagnosis and Testing).
    • Check clutch F for slipping. REFER TO: Clutch F (307-01A Automatic Transmission - 10-Speed Automatic Transmission - 10R60, Diagnosis and Testing).
  • No 9-10 Shift/Harsh/Soft/Slipping
    • Check clutch D for a not operating condition. Refer to: D Clutch (307-01A Automatic Transmission - 10-Speed Automatic Transmission - 10R60, Diagnosis and Testing).
    • Check clutch E for a stuck-on condition. REFER TO: Clutch E (307-01A Automatic Transmission - 10-Speed Automatic Transmission - 10R60, Diagnosis and Testing).
    • Check clutch B for slipping. REFER TO: Clutch B (307-01A Automatic Transmission - 10-Speed Automatic Transmission - 10R60, Diagnosis and Testing).
    • Check clutch C for slipping. REFER TO: Clutch C (307-01A Automatic Transmission - 10-Speed Automatic Transmission - 10R60, Diagnosis and Testing).
    • Check clutch F for slipping. REFER TO: Clutch F (307-01A Automatic Transmission - 10-Speed Automatic Transmission - 10R60, Diagnosis and Testing).

Possible Sources

  • Clutch Stuck
  • Clutch Stuck
  • Clutch Slipping
No diagnostic actions are available for this symptom or DTC. Refer to: Diagnostic Methods (100-00 General Information, Description and Operation).
PINPOINT TEST I: DOWNSHIFT QUALITY - ONE GEAR AFFECTED

Normal Operation and Fault Symptoms

  • No 10-9 Shift/Harsh/Soft/Slipping
    • Check clutch E for a not operating condition. Refer to: E Clutch (307-01A Automatic Transmission - 10-Speed Automatic Transmission - 10R60, Diagnosis and Testing).
    • Check clutch D for a stuck-on condition. REFER TO: Clutch D (307-01A Automatic Transmission - 10-Speed Automatic Transmission - 10R60, Diagnosis and Testing).
    • Check clutch B for slipping. REFER TO: Clutch B (307-01A Automatic Transmission - 10-Speed Automatic Transmission - 10R60, Diagnosis and Testing).
    • Check clutch C for slipping. REFER TO: Clutch C (307-01A Automatic Transmission - 10-Speed Automatic Transmission - 10R60, Diagnosis and Testing).
    • Check clutch F for slipping. REFER TO: Clutch F (307-01A Automatic Transmission - 10-Speed Automatic Transmission - 10R60, Diagnosis and Testing).
  • No 9-8 Shift/Harsh/Soft/Slipping
    • Check clutch D for a not operating condition. Refer to: D Clutch (307-01A Automatic Transmission - 10-Speed Automatic Transmission - 10R60, Diagnosis and Testing).
    • Check clutch C for a stuck-on condition. REFER TO: Clutch C (307-01A Automatic Transmission - 10-Speed Automatic Transmission - 10R60, Diagnosis and Testing).
    • Check clutch B for slipping. REFER TO: Clutch B (307-01A Automatic Transmission - 10-Speed Automatic Transmission - 10R60, Diagnosis and Testing).
    • Check clutch E for slipping. Refer to: E Clutch (307-01A Automatic Transmission - 10-Speed Automatic Transmission - 10R60, Diagnosis and Testing).
    • Check clutch F for slipping. REFER TO: Clutch F (307-01A Automatic Transmission - 10-Speed Automatic Transmission - 10R60, Diagnosis and Testing).
  • No 8-7 Shift/Harsh/Soft/Slipping
    • Check clutch C for a stuck-off condition. REFER TO: Clutch C (307-01A Automatic Transmission - 10-Speed Automatic Transmission - 10R60, Diagnosis and Testing).
    • Check clutch B for a stuck-on condition. REFER TO: Clutch B (307-01A Automatic Transmission - 10-Speed Automatic Transmission - 10R60, Diagnosis and Testing).
    • Check clutch D for slipping. REFER TO: Clutch D (307-01A Automatic Transmission - 10-Speed Automatic Transmission - 10R60, Diagnosis and Testing).
    • Check clutch E for slipping. Refer to: E Clutch (307-01A Automatic Transmission - 10-Speed Automatic Transmission - 10R60, Diagnosis and Testing).
    • Check clutch F for slipping. REFER TO: Clutch F (307-01A Automatic Transmission - 10-Speed Automatic Transmission - 10R60, Diagnosis and Testing).
  • No 7-6 Shift/Harsh/Soft/Slipping
    • Check clutch A for a not operating condition. Refer to: A Clutch (307-01A Automatic Transmission - 10-Speed Automatic Transmission - 10R60, Diagnosis and Testing).
    • Check clutch C for a stuck-on condition. REFER TO: Clutch C (307-01A Automatic Transmission - 10-Speed Automatic Transmission - 10R60, Diagnosis and Testing).
    • Check clutch D for slipping. REFER TO: Clutch D (307-01A Automatic Transmission - 10-Speed Automatic Transmission - 10R60, Diagnosis and Testing).
    • Check clutch E for slipping. Refer to: E Clutch (307-01A Automatic Transmission - 10-Speed Automatic Transmission - 10R60, Diagnosis and Testing).
    • Check clutch F for slipping. REFER TO: Clutch F (307-01A Automatic Transmission - 10-Speed Automatic Transmission - 10R60, Diagnosis and Testing).
  • No 6-5 Shift/Harsh/Soft/Slipping
    • Check clutch C for a stuck-off condition. REFER TO: Clutch C (307-01A Automatic Transmission - 10-Speed Automatic Transmission - 10R60, Diagnosis and Testing).
    • Check clutch D for a stuck-on condition. REFER TO: Clutch D (307-01A Automatic Transmission - 10-Speed Automatic Transmission - 10R60, Diagnosis and Testing).
    • Check clutch A for slipping. REFER TO: Clutch A (307-01A Automatic Transmission - 10-Speed Automatic Transmission - 10R60, Diagnosis and Testing).
    • Check clutch E for slipping. Refer to: E Clutch (307-01A Automatic Transmission - 10-Speed Automatic Transmission - 10R60, Diagnosis and Testing).
    • Check clutch F for slipping. REFER TO: Clutch F (307-01A Automatic Transmission - 10-Speed Automatic Transmission - 10R60, Diagnosis and Testing).
  • No 5-4 Shift/Harsh/Soft/Slipping
    • Check clutch D for a not operating condition. Refer to: D Clutch (307-01A Automatic Transmission - 10-Speed Automatic Transmission - 10R60, Diagnosis and Testing).
    • Check clutch E for a stuck-on condition. REFER TO: Clutch E (307-01A Automatic Transmission - 10-Speed Automatic Transmission - 10R60, Diagnosis and Testing).
    • Check clutch A for slipping. REFER TO: Clutch A (307-01A Automatic Transmission - 10-Speed Automatic Transmission - 10R60, Diagnosis and Testing).
    • Check clutch C for slipping. REFER TO: Clutch C (307-01A Automatic Transmission - 10-Speed Automatic Transmission - 10R60, Diagnosis and Testing).
    • Check clutch F for slipping. REFER TO: Clutch F (307-01A Automatic Transmission - 10-Speed Automatic Transmission - 10R60, Diagnosis and Testing).
  • No 4-3 Shift/Harsh/Soft/Slipping
    • Check clutch E for a not operating condition. Refer to: E Clutch (307-01A Automatic Transmission - 10-Speed Automatic Transmission - 10R60, Diagnosis and Testing).
    • Check clutch F for a stuck-on condition. REFER TO: Clutch F (307-01A Automatic Transmission - 10-Speed Automatic Transmission - 10R60, Diagnosis and Testing).
    • Check clutch A for slipping. REFER TO: Clutch A (307-01A Automatic Transmission - 10-Speed Automatic Transmission - 10R60, Diagnosis and Testing).
    • Check clutch C for slipping. REFER TO: Clutch C (307-01A Automatic Transmission - 10-Speed Automatic Transmission - 10R60, Diagnosis and Testing).
    • Check clutch D for slipping. REFER TO: Clutch D (307-01A Automatic Transmission - 10-Speed Automatic Transmission - 10R60, Diagnosis and Testing).
  • No 3-2 Shift/Harsh/Soft/Slipping
    • Check the low one-way clutch for slipping. REFER TO: Low One-Way Clutch Assembly (307-01A Automatic Transmission - 10-Speed Automatic Transmission - 10R60, Diagnosis and Testing).
    • Check clutch E for a stuck-on condition. REFER TO: Clutch E (307-01A Automatic Transmission - 10-Speed Automatic Transmission - 10R60, Diagnosis and Testing).
    • Check clutch A for slipping. REFER TO: Clutch A (307-01A Automatic Transmission - 10-Speed Automatic Transmission - 10R60, Diagnosis and Testing).
    • Check clutch C for slipping. REFER TO: Clutch C (307-01A Automatic Transmission - 10-Speed Automatic Transmission - 10R60, Diagnosis and Testing).
    • Check clutch D for slipping. REFER TO: Clutch D (307-01A Automatic Transmission - 10-Speed Automatic Transmission - 10R60, Diagnosis and Testing).
  • No 2-1 Shift/Harsh/Soft/Slipping
    • Check clutch E for a not operating condition. Refer to: E Clutch (307-01A Automatic Transmission - 10-Speed Automatic Transmission - 10R60, Diagnosis and Testing).
    • Check clutch C for a stuck-on condition. REFER TO: Clutch C (307-01A Automatic Transmission - 10-Speed Automatic Transmission - 10R60, Diagnosis and Testing).
    • Check clutch A for slipping. REFER TO: Clutch A (307-01A Automatic Transmission - 10-Speed Automatic Transmission - 10R60, Diagnosis and Testing).
    • Check clutch D for slipping. REFER TO: Clutch D (307-01A Automatic Transmission - 10-Speed Automatic Transmission - 10R60, Diagnosis and Testing).
    • Check the low one-way clutch for damage or wear. REFER TO: Low One-Way Clutch Assembly (307-01A Automatic Transmission - 10-Speed Automatic Transmission - 10R60, Diagnosis and Testing).

Possible Sources

  • Clutch Stuck
  • Clutch Stuck
  • Clutch Slipping
No diagnostic actions are available for this symptom or DTC. Refer to: Diagnostic Methods (100-00 General Information, Description and Operation).
PINPOINT TEST J: SHIFT QUALITY - MULTIPLE GEARS

Normal Operation and Fault Symptoms

  • Only gears R, 1, 2, 3, 4, 5, 6 are available.
    • Check clutch A for a stuck-on condition. REFER TO: Clutch A (307-01A Automatic Transmission - 10-Speed Automatic Transmission - 10R60, Diagnosis and Testing).
  • Only gears 7, 8, 9, 10 are available.
    • Check clutch A for a not operating condition. Refer to: A Clutch (307-01A Automatic Transmission - 10-Speed Automatic Transmission - 10R60, Diagnosis and Testing).
  • Only gears R, 8, 9, 10, M1, M2 are available.
    • Check clutch B for a stuck-on condition. REFER TO: Clutch B (307-01A Automatic Transmission - 10-Speed Automatic Transmission - 10R60, Diagnosis and Testing).
  • Only gears 1, 2, 3, 4, 5, 6, 7 are available.
    • Check clutch B for a not operating condition. Refer to: Clutch B (307-01A Automatic Transmission - 10-Speed Automatic Transmission - 10R60, Diagnosis and Testing).
  • Only gears 2, 3, 4, 5, 7, 9, 10 are available.
    • Check clutch C for a stuck-on condition. REFER TO: Clutch C (307-01A Automatic Transmission - 10-Speed Automatic Transmission - 10R60, Diagnosis and Testing).
  • Only gears R, 1, 6, 8 are available.
    • Check clutch C for a stuck-off condition. REFER TO: Clutch C (307-01A Automatic Transmission - 10-Speed Automatic Transmission - 10R60, Diagnosis and Testing).
  • Only gears R, 1, 2, 3, 4, 6, 7, 8, 10 are available.
    • Check clutch D for a stuck-on condition. REFER TO: Clutch D (307-01A Automatic Transmission - 10-Speed Automatic Transmission - 10R60, Diagnosis and Testing).
  • Only gears 5, 9 are available.
    • Check clutch D for a not operating condition. Refer to: D Clutch (307-01A Automatic Transmission - 10-Speed Automatic Transmission - 10R60, Diagnosis and Testing).
  • Only gears 1, 3, 5, 6, 7, 8, 9 are available.
    • Check clutch E for a stuck-on condition. REFER TO: Clutch E (307-01A Automatic Transmission - 10-Speed Automatic Transmission - 10R60, Diagnosis and Testing).
  • Only gears R, 2, 4, 10 are available.
    • Check clutch E for a not operating condition. Refer to: E Clutch (307-01A Automatic Transmission - 10-Speed Automatic Transmission - 10R60, Diagnosis and Testing).
  • Only gears R, 4, 5, 6, 7, 8, 9, 10 are available.
    • Check clutch F for a stuck-on condition. REFER TO: Clutch F (307-01A Automatic Transmission - 10-Speed Automatic Transmission - 10R60, Diagnosis and Testing).
  • Only gears 1, 2, 3 are available.
    • Check clutch F for a not operating condition. Refer to: F Clutch (307-01A Automatic Transmission - 10-Speed Automatic Transmission - 10R60, Diagnosis and Testing).
  • Flare on Hard Acceleration in 1A and 2A
    • Check the low one-way clutch for slipping. Refer to: Low One-Way Clutch Assembly (307-01A Automatic Transmission - 10-Speed Automatic Transmission - 10R60, Diagnosis and Testing).
  • No engine braking in 1M or 2M
    • Check clutch B for a not operating condition. Refer to: Clutch B (307-01A Automatic Transmission - 10-Speed Automatic Transmission - 10R60, Diagnosis and Testing).

Possible Sources

  • Clutch Stuck
  • Clutch Stuck
No diagnostic actions are available for this symptom or DTC. Refer to: Diagnostic Methods (100-00 General Information, Description and Operation).
PINPOINT TEST K: TORQUE CONVERTER CLUTCH OPERATION

Normal Operation and Fault Symptoms

  • Torque converter clutch (TCC) does not apply
    • Access the PCM/TCM and monitor the TCC, TC_SLIPSDD and TC_SLIPACT Parameter Identifications (PIDs). Road test the vehicle, making sure a TCC apply is attempted. If the PIDs indicate TCC slip during the apply command, check the TCC for a non-apply condition. Refer to: Torque Converter Clutch (TCC) (307-01A Automatic Transmission - 10-Speed Automatic Transmission - 10R60, Diagnosis and Testing).
  • Torque converter clutch (TCC) is always applied
    • Access the PCM/TCM and monitor the TCC, TC_SLIPSDD and TC_SLIPACT Parameter Identifications (PIDs). Start the engine and select Drive. If the PIDs indicate that the TCC is not slipping, and the engine surges or stalls when Drive is selected, check the TCC for an always applied condition. Refer to: Torque Converter Clutch (TCC) (307-01A Automatic Transmission - 10-Speed Automatic Transmission - 10R60, Diagnosis and Testing).
  • Torque converter clutch (TCC) cycles on and off, shudders
    • Check the transmission fluid level. Refer to: Transmission Fluid Level Check (307-01A Automatic Transmission - 10-Speed Automatic Transmission - 10R60, General Procedures).
    • Access the PCM/TCM and monitor the TCC, TC_SLIPSDD and TC_SLIPACT Parameter Identifications (PIDs). Road test the vehicle, making sure a TCC apply is attempted. If the PIDs indicate TCC shudder, check the TCC for a shudder condition. Refer to: Torque Converter Clutch (TCC) (307-01A Automatic Transmission - 10-Speed Automatic Transmission - 10R60, Diagnosis and Testing).

Possible Sources

  • Torque Converter Clutch Malfunction
No diagnostic actions are available for this symptom or DTC. Refer to: Diagnostic Methods (100-00 General Information, Description and Operation).
PINPOINT TEST L: TRANSMISSION FLUID CONTAMINATION, LEAKAGE, OVERHEATING

Normal Operation and Fault Symptoms

  • External leaks
    • Inspect the transmission, transmission cooler and transmission cooler lines for leaks. Refer to: Leak Test (307-01A Automatic Transmission - 10-Speed Automatic Transmission - 10R60, Diagnosis and Testing).
  • Overheating
    • Check the transmission fluid cooling system. Refer to: Transmission Cooling (307-02A Transmission Cooling - 10-Speed Automatic Transmission - 10R60, Diagnosis and Testing).
    • Resolve any TCC concerns.
  • Engine coolant in transmission fluid
    • Refer to: Transmission Cooling (307-02A Transmission Cooling - 10-Speed Automatic Transmission - 10R60, Diagnosis and Testing).

Possible Sources

  • Transmission Seals
  • Transmission cooling system
No diagnostic actions are available for this symptom or DTC. Refer to: Diagnostic Methods (100-00 General Information, Description and Operation).
PINPOINT TEST M: NOISE, VIBRATION, HARSHNESS

Normal Operation and Fault Symptoms

  • Whine noise
    • Some vehicles with the 10R60 transmission may exhibit a whine noise. It may occur at idle and during driving, originating from the bell housing and front pan area of the transmission. The whine noise may become louder with temperature and increases with engine speed in Park. A small amount of whine noise is considered characteristic of the 10R60 transmission due to the gear set front support offset and does not affect durability.
  • 2WD - clunk when shifting from Reverse to Drive or from Drive to Reverse
    • All-wheel drive vehicles are equipped with an anti-rattle washer between the transmission output shaft and the transfer case secondary shaft flange. When the driveline load changes, such as when shifting from Reverse to Drive, the anti-rattle washer absorbs the normal movement between the two components. If the component interface is dry, rusty or otherwise sticky, a slip/stick condition may result. The slip/stick condition produces more than normal force on the anti-rattle washer, which may cause an objectionable clunk noise. Applying a light coating of high-temperature grease to both sides of the anti-rattle washer and the entire transmission output shaft spline area will reduce the clunk noise to a normal, acceptable level.
    • To remove the transmission output shaft flange and lubricate the output shaft and anti-rattle washer, refer to: Secondary Shaft Seal (307-01A Automatic Transmission - 10-Speed Automatic Transmission - 10R60, Removal and Installation).
  • Noise
    • Check the engine drive accessories, suspension, CV joints, driveline and transmission cooler lines. Refer to: Noise, Vibration and Harshness (NVH) (100-04 Noise, Vibration and Harshness, Diagnosis and Testing).
  • Vibration
    • Check the engine drive accessories, suspension, CV joints, driveline and transmission cooler lines. Refer to: Noise, Vibration and Harshness (NVH) (100-04 Noise, Vibration and Harshness, Diagnosis and Testing).

Possible Sources

  • Slip/stick condition at the transmission output flange/anti-rattle washer interface
  • Engine Drive Accessories
  • Suspension Components
  • Transmission Components
  • Transmission Components
No diagnostic actions are available for this symptom or DTC. Refer to: Diagnostic Methods (100-00 General Information, Description and Operation).
PINPOINT TEST N: OTHER CONCERNS

Normal Operation and Fault Symptoms

  • Positive resistance or rocking sensation when starting in Park
    • The 10R60 applies three clutches in anticipation of Reverse or Drive engagement. Each clutch application creates a slight positive resistance from the transmission and may cause a slight rocking sensation of the vehicle at or immediately after engine start in Park. This is normal and desirable 10R60 transmission behavior.
  • Assembly gel is present in the transmission cooler housing ports and/or the main control module on new or low-mileage transmissions.
    • A clear gel-like lubricant is injected into the transmission oil cooler ports before the transmission is shipped from the assembly plant. If sufficient lubricant has been injected, it may be pushed back out into the main control. The lubricant acts as a plug to prevent leaks when the transmission is installed in the vehicle. The lubricant found in the cooler ports and/or the main control of new transmission assemblies is normal and does not affect performance. When the transmission reaches operating temperature, the lubricant will melt and dissolve into the transmission fluid.
  • Shift Lever Hard to Move
    • Refer to Shift Lever Sticking or Hard to Move - Excessive Effort condition. Refer to: External Controls (307-05A External Controls Automatic Transmission - 10-Speed Automatic Transmission - 10R60, Diagnosis and Testing).
  • No Start - Transmission Range Indicates Reverse When Shift Lever is in the Park Position.
    • Refer to Shift Lever Linkage is in the incorrect position. Refer to: External Controls (307-05A External Controls Automatic Transmission - 10-Speed Automatic Transmission - 10R60, Diagnosis and Testing).

Possible Sources

  • Normal operation
  • Transmission External Controls
No diagnostic actions are available for this symptom or DTC. Refer to: Diagnostic Methods (100-00 General Information, Description and Operation).

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