Ford Explorer: Automatic Transmission - 10-Speed Automatic Transmission – 10R60 / Diagnosis and Testing - Diagnosis By Symptom

Ford Explorer 2020-2022 Service Manual / Powertrain / Automatic Transmission / Automatic Transmission - 10-Speed Automatic Transmission – 10R60 / Diagnosis and Testing - Diagnosis By Symptom

Symptom Chart: Automatic Transmission

Diagnostics in this manual assume a certain skill level and knowledge of Ford-specific diagnostic practices.
REFER to: Diagnostic Methods (100-00 General Information, Description and Operation).

In most circumstances the PCM/ TCM sets a DTC to help guide with diagnostics. Refer to the DTC Chart before using the Symptom Chart. The Condition column lists the vehicle condition. The Action column refers to a pinpoint test. Each pinpoint test lists the possible symptoms and the components that can cause each symptom. The components are listed in order of disassembly.


  Symptom Chart


Customer Symptom Actions
No Engagement - Forward   GO to Pinpoint Test A
No Engagement - Reverse   GO to Pinpoint Test B
No Engagement - Both Forward and Reverse   GO to Pinpoint Test C
Engagement Quality - Forward   GO to Pinpoint Test D
Engagement Quality - Reverse   GO to Pinpoint Test E
Engagement Quality - Both Forward 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 Contaminated, Leaking, 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 Conditions

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

Possible Sources

  • Clutch fault
Diagnostic steps are not provided 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 Conditions

  • No reverse
    • Check the B clutch for a does not apply condition. REFER to: B Clutch (307-01A Automatic Transmission - 10-Speed Automatic Transmission – 10R60, Diagnosis and Testing).
    • Check the D clutch for a does not apply condition. REFER to: D Clutch (307-01A Automatic Transmission - 10-Speed Automatic Transmission – 10R60, Diagnosis and Testing).
    • Check the F clutch for a does not apply condition. REFER to: F Clutch (307-01A Automatic Transmission - 10-Speed Automatic Transmission – 10R60, Diagnosis and Testing).

Possible Sources

  • Clutch fault
Diagnostic steps are not provided 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 Conditions

  • No forward 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 equipped with a selector lever cable, verify proper selector lever cable installation and adjustment.
    • Carry out the 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 the A clutch for a does not apply 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 in 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 fault
  • Damaged turbine shaft splines
  • Internal transmission components
Diagnostic steps are not provided 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 Conditions

  • Delayed/soft forward
    • Check the transmission fluid level. REFER to: Transmission Fluid Level Check (307-01A Automatic Transmission - 10-Speed Automatic Transmission – 10R60, General Procedures).
    • Carry out the 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).
    • Carry out 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 the A clutch for a slipping apply condition.REFER to: A Clutch (307-01A Automatic Transmission - 10-Speed Automatic Transmission – 10R60, Diagnosis and Testing).
    • Check the E clutch for a slipping apply condition. REFER to: E Clutch (307-01A Automatic Transmission - 10-Speed Automatic Transmission – 10R60, Diagnosis and Testing).
    • Check the low one-way clutch for a slipping condition. REFER to: Low One-Way Clutch Assembly (307-01A Automatic Transmission - 10-Speed Automatic Transmission – 10R60, Diagnosis and Testing).
  • Harsh forward
    • Carry out 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).
    • Carry out the 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 the E clutch for a harsh apply condition. REFER to: E Clutch (307-01A Automatic Transmission - 10-Speed Automatic Transmission – 10R60, Diagnosis and Testing).
    • Check the A clutch for a delayed apply 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 launch
    • Check the low one-way clutch for a slipping condition. REFER to: Low One-Way Clutch Assembly (307-01A Automatic Transmission - 10-Speed Automatic Transmission – 10R60, Diagnosis and Testing).
  • Slip on hard acceleration in 1A and 2A
    • Check the low one-way clutch for a slipping condition. 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
    • INSPECT the transmission fluid auxiliary pump, seals, and hydraulic passages for damage, blockage or leaks. CLEAN or INSTALL new components as necessary. REFER to: Transmission Fluid Auxiliary Pump (307-01A Automatic Transmission - 10-Speed Automatic Transmission – 10R60, Removal and Installation).

Possible Sources

  • Corrupted transmission strategy
  • Low transmission fluid level
  • Low or high line pressure
  • Clutch fault
  • Transmission fluid auxiliary pump fault
Diagnostic steps are not provided 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 Conditions

  • Delayed/soft reverse
    • Check the transmission fluid level. REFER to: Transmission Fluid Level Check (307-01A Automatic Transmission - 10-Speed Automatic Transmission – 10R60, General Procedures).
    • Carry out the 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).
    • Carry out 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 the B clutch for a slipping apply condition. REFER to: B Clutch (307-01A Automatic Transmission - 10-Speed Automatic Transmission – 10R60, Diagnosis and Testing).
    • Check the D clutch for a slipping apply condition. REFER to: D Clutch (307-01A Automatic Transmission - 10-Speed Automatic Transmission – 10R60, Diagnosis and Testing).
    • Check the F clutch for a slipping apply condition. REFER to: F Clutch (307-01A Automatic Transmission - 10-Speed Automatic Transmission – 10R60, Diagnosis and Testing).
  • Harsh reverse
    • Carry out 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).
    • Carry out the 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 the B clutch for a delayed apply condition. REFER to: B Clutch (307-01A Automatic Transmission - 10-Speed Automatic Transmission – 10R60, Diagnosis and Testing).
    • Check the D clutch for a harsh apply condition. REFER to: D Clutch (307-01A Automatic Transmission - 10-Speed Automatic Transmission – 10R60, Diagnosis and Testing).
    • Check the F clutch for a harsh apply condition. REFER to: F Clutch (307-01A Automatic Transmission - 10-Speed Automatic Transmission – 10R60, Diagnosis and Testing).

Possible Sources

  • Corrupted transmission strategy
  • Low transmission fluid level
  • Low or high line pressure
  • Clutch fault
Diagnostic steps are not provided for this symptom or DTC.  REFER to: Diagnostic Methods (100-00 General Information, Description and Operation).
PINPOINT TEST F : ENGAGEMENT QUALITY - BOTH FORWARD AND REVERSE

Normal Operation and Fault Conditions

  • Delayed/soft forward and 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).
    • Carry out the 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).
    • Carry out 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 the A clutch for a slipping apply condition. REFER to: A Clutch (307-01A Automatic Transmission - 10-Speed Automatic Transmission – 10R60, Diagnosis and Testing).
  • Harsh forward and reverse
    • Carry out 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).
    • Carry out the 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

  • Corrupted transmission strategy
  • Low transmission fluid level
  • Low or high line pressure
  • Clutch fault
Diagnostic steps are not provided 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 Conditions

  • Stuck in park
    • To diagnose a stuck in park condition, REFER to: External Controls (307-05A Automatic Transmission External Controls - 10-Speed Automatic Transmission – 10R60, Diagnosis and Testing).
  • Unable to engage park
    • To diagnose a park does not engage condition, REFER to: External Controls (307-05A Automatic Transmission External Controls - 10-Speed Automatic Transmission – 10R60, Diagnosis and Testing).
  • Delayed shift out of park when external temperature is less than -20°C (-4°F) (vehicles equipped with shift-by-wire)
    • Extremely cold ambient temperatures can delay the park lock pawl solenoid valve activation up to 10 seconds. To verify, test operation at operating temperatures.

Possible Sources

  • Selector lever cable installation or adjustment
  • Park is manually released
  • GSM
  • Low line pressure
  • Clutch fault
  • Internal transmission components
Diagnostic steps are not provided for this symptom or DTC.  REFER to: Diagnostic Methods (100-00 General Information, Description and Operation).
PINPOINT TEST H : UPSHIFT QUALITY - SINGLE GEAR AFFECTED

Normal Operation and Fault Conditions

  • No 1-2 shift/harsh/soft/slipping
    • Check the C clutch for a does not apply condition. REFER to: C Clutch (307-01A Automatic Transmission - 10-Speed Automatic Transmission – 10R60, Diagnosis and Testing).
    • Check the E clutch for an always applied condition. REFER to: E Clutch (307-01A Automatic Transmission - 10-Speed Automatic Transmission – 10R60, Diagnosis and Testing).
    • Check the A clutch for a slipping apply condition. REFER to: A Clutch (307-01A Automatic Transmission - 10-Speed Automatic Transmission – 10R60, Diagnosis and Testing).
    • Check the D clutch for a slipping apply condition. REFER to: D Clutch (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 E clutch for a does not apply condition. REFER to: E Clutch (307-01A Automatic Transmission - 10-Speed Automatic Transmission – 10R60, Diagnosis and Testing).
    • Check the low one-way clutch for being seized, stuck holding. REFER to: Low One-Way Clutch Assembly (307-01A Automatic Transmission - 10-Speed Automatic Transmission – 10R60, Diagnosis and Testing).
    • Check the A clutch for a slipping apply condition. REFER to: A Clutch (307-01A Automatic Transmission - 10-Speed Automatic Transmission – 10R60, Diagnosis and Testing).
    • Check the C clutch for a slipping apply condition. REFER to: C Clutch (307-01A Automatic Transmission - 10-Speed Automatic Transmission – 10R60, Diagnosis and Testing).
    • Check the D clutch for a slipping apply condition. REFER to: D Clutch (307-01A Automatic Transmission - 10-Speed Automatic Transmission – 10R60, Diagnosis and Testing).
  • No 3-4 shift/harsh/soft/slipping
    • Check the F clutch for a does not apply condition. REFER to: F Clutch (307-01A Automatic Transmission - 10-Speed Automatic Transmission – 10R60, Diagnosis and Testing).
    • Check the E clutch for an always applied condition. REFER to: E Clutch (307-01A Automatic Transmission - 10-Speed Automatic Transmission – 10R60, Diagnosis and Testing).
    • Check the A clutch for a slipping apply condition. REFER to: A Clutch (307-01A Automatic Transmission - 10-Speed Automatic Transmission – 10R60, Diagnosis and Testing).
    • Check the C clutch for a slipping apply condition. REFER to: C Clutch (307-01A Automatic Transmission - 10-Speed Automatic Transmission – 10R60, Diagnosis and Testing).
    • Check the D clutch for a slipping apply condition. REFER to: D Clutch (307-01A Automatic Transmission - 10-Speed Automatic Transmission – 10R60, Diagnosis and Testing).
  • No 4-5 shift/harsh/soft/slipping
    • Check the E clutch for a does not apply condition. REFER to: E Clutch (307-01A Automatic Transmission - 10-Speed Automatic Transmission – 10R60, Diagnosis and Testing).
    • Check the D clutch for an always applied condition. REFER to: D Clutch (307-01A Automatic Transmission - 10-Speed Automatic Transmission – 10R60, Diagnosis and Testing).
    • Check the A clutch for a slipping apply condition. REFER to: A Clutch (307-01A Automatic Transmission - 10-Speed Automatic Transmission – 10R60, Diagnosis and Testing).
    • Check the C clutch for a slipping apply condition. REFER to: C Clutch (307-01A Automatic Transmission - 10-Speed Automatic Transmission – 10R60, Diagnosis and Testing).
    • Check the F clutch for a slipping apply condition. REFER to: F Clutch (307-01A Automatic Transmission - 10-Speed Automatic Transmission – 10R60, Diagnosis and Testing).
  • No 5-6 shift/harsh/soft/slipping
    • Check the D clutch for a does not apply condition. REFER to: D Clutch (307-01A Automatic Transmission - 10-Speed Automatic Transmission – 10R60, Diagnosis and Testing).
    • Check the C clutch for an always applied condition. REFER to: C Clutch (307-01A Automatic Transmission - 10-Speed Automatic Transmission – 10R60, Diagnosis and Testing).
    • Check the A clutch for a slipping apply condition. REFER to: A Clutch (307-01A Automatic Transmission - 10-Speed Automatic Transmission – 10R60, Diagnosis and Testing).
    • Check the E clutch for a slipping apply condition. REFER to: E Clutch (307-01A Automatic Transmission - 10-Speed Automatic Transmission – 10R60, Diagnosis and Testing).
    • Check the F clutch for a slipping apply condition. REFER to: F Clutch (307-01A Automatic Transmission - 10-Speed Automatic Transmission – 10R60, Diagnosis and Testing).
  • No 6-7 shift/harsh/soft/slipping
    • Check the C clutch for a does not apply condition. REFER to: C Clutch (307-01A Automatic Transmission - 10-Speed Automatic Transmission – 10R60, Diagnosis and Testing).
    • Check the A clutch for an always applied condition. REFER to: A Clutch (307-01A Automatic Transmission - 10-Speed Automatic Transmission – 10R60, Diagnosis and Testing).
    • Check the D clutch for a slipping apply condition. REFER to: D Clutch (307-01A Automatic Transmission - 10-Speed Automatic Transmission – 10R60, Diagnosis and Testing).
    • Check the E clutch for a slipping apply condition. REFER to: E Clutch (307-01A Automatic Transmission - 10-Speed Automatic Transmission – 10R60, Diagnosis and Testing).
    • Check the F clutch for a slipping apply condition. REFER to: F Clutch (307-01A Automatic Transmission - 10-Speed Automatic Transmission – 10R60, Diagnosis and Testing).
  • No 7-8 shift/harsh/soft/slipping
    • Check the B clutch for a does not apply condition. REFER to: B Clutch (307-01A Automatic Transmission - 10-Speed Automatic Transmission – 10R60, Diagnosis and Testing).
    • Check the C clutch for an always applied condition. REFER to: C Clutch (307-01A Automatic Transmission - 10-Speed Automatic Transmission – 10R60, Diagnosis and Testing).
    • Check the D clutch for a slipping apply condition. REFER to: D Clutch (307-01A Automatic Transmission - 10-Speed Automatic Transmission – 10R60, Diagnosis and Testing).
    • Check the E clutch for a slipping apply condition. REFER to: E Clutch (307-01A Automatic Transmission - 10-Speed Automatic Transmission – 10R60, Diagnosis and Testing).
    • Check the F clutch for a slipping apply condition. REFER to: F Clutch (307-01A Automatic Transmission - 10-Speed Automatic Transmission – 10R60, Diagnosis and Testing).
  • No 8-9 shift/harsh/soft/slipping
    • Check the C clutch for a does not apply condition. REFER to: C Clutch (307-01A Automatic Transmission - 10-Speed Automatic Transmission – 10R60, Diagnosis and Testing).
    • Check the D clutch for an always applied condition. REFER to: D Clutch (307-01A Automatic Transmission - 10-Speed Automatic Transmission – 10R60, Diagnosis and Testing).
    • Check the B clutch for a slipping apply condition. REFER to: B Clutch (307-01A Automatic Transmission - 10-Speed Automatic Transmission – 10R60, Diagnosis and Testing).
    • Check the E clutch for a slipping apply condition. REFER to: E Clutch (307-01A Automatic Transmission - 10-Speed Automatic Transmission – 10R60, Diagnosis and Testing).
    • Check the F clutch for a slipping apply condition. REFER to: F Clutch (307-01A Automatic Transmission - 10-Speed Automatic Transmission – 10R60, Diagnosis and Testing).
  • No 9-10 shift/harsh/soft/slipping
    • Check the D clutch for a does not apply condition. REFER to: D Clutch (307-01A Automatic Transmission - 10-Speed Automatic Transmission – 10R60, Diagnosis and Testing).
    • Check the E clutch for an always applied condition. REFER to: E Clutch (307-01A Automatic Transmission - 10-Speed Automatic Transmission – 10R60, Diagnosis and Testing).
    • Check the B clutch for a slipping apply condition. REFER to: B Clutch (307-01A Automatic Transmission - 10-Speed Automatic Transmission – 10R60, Diagnosis and Testing).
    • Check the C clutch for a slipping apply condition. REFER to: C Clutch (307-01A Automatic Transmission - 10-Speed Automatic Transmission – 10R60, Diagnosis and Testing).
    • Check the F clutch for a slipping apply condition. REFER to: F Clutch (307-01A Automatic Transmission - 10-Speed Automatic Transmission – 10R60, Diagnosis and Testing).

Possible Sources

  • Clutch stuck off
  • Clutch stuck on
  • Clutch slipping
Diagnostic steps are not provided for this symptom or DTC.  REFER to: Diagnostic Methods (100-00 General Information, Description and Operation).
PINPOINT TEST I : DOWNSHIFT QUALITY - SINGLE GEAR AFFECTED

Normal Operation and Fault Conditions

  • No 10-9 shift/harsh/soft/slipping
    • Check the E clutch for a does not apply condition. REFER to: E Clutch (307-01A Automatic Transmission - 10-Speed Automatic Transmission – 10R60, Diagnosis and Testing).
    • Check the D clutch for an always applied condition. REFER to: D Clutch (307-01A Automatic Transmission - 10-Speed Automatic Transmission – 10R60, Diagnosis and Testing).
    • Check the B clutch for a slipping apply condition. REFER to: B Clutch (307-01A Automatic Transmission - 10-Speed Automatic Transmission – 10R60, Diagnosis and Testing).
    • Check the C clutch for a slipping apply condition. REFER to: C Clutch (307-01A Automatic Transmission - 10-Speed Automatic Transmission – 10R60, Diagnosis and Testing).
    • Check the F clutch for a slipping apply condition. REFER to: F Clutch (307-01A Automatic Transmission - 10-Speed Automatic Transmission – 10R60, Diagnosis and Testing).
  • No 9-8 shift/harsh/soft/slipping
    • Check the D clutch for a does not apply condition. REFER to: D Clutch (307-01A Automatic Transmission - 10-Speed Automatic Transmission – 10R60, Diagnosis and Testing).
    • Check the C clutch for an always applied condition. REFER to: C Clutch (307-01A Automatic Transmission - 10-Speed Automatic Transmission – 10R60, Diagnosis and Testing).
    • Check the B clutch for a slipping apply condition. REFER to: B Clutch (307-01A Automatic Transmission - 10-Speed Automatic Transmission – 10R60, Diagnosis and Testing).
    • Check the E clutch for a slipping apply condition. REFER to: E Clutch (307-01A Automatic Transmission - 10-Speed Automatic Transmission – 10R60, Diagnosis and Testing).
    • Check the F clutch for a slipping apply condition. REFER to: F Clutch (307-01A Automatic Transmission - 10-Speed Automatic Transmission – 10R60, Diagnosis and Testing).
  • No 8-7 shift/harsh/soft/slipping
    • Check the C clutch for a does not apply condition. REFER to: C Clutch (307-01A Automatic Transmission - 10-Speed Automatic Transmission – 10R60, Diagnosis and Testing).
    • Check the B clutch for an always applied condition. REFER to: B Clutch (307-01A Automatic Transmission - 10-Speed Automatic Transmission – 10R60, Diagnosis and Testing).
    • Check the D clutch for a slipping apply condition. REFER to: D Clutch (307-01A Automatic Transmission - 10-Speed Automatic Transmission – 10R60, Diagnosis and Testing).
    • Check the E clutch for a slipping apply condition. REFER to: E Clutch (307-01A Automatic Transmission - 10-Speed Automatic Transmission – 10R60, Diagnosis and Testing).
    • Check the F clutch for a slipping apply condition. REFER to: F Clutch (307-01A Automatic Transmission - 10-Speed Automatic Transmission – 10R60, Diagnosis and Testing).
  • No 7-6 shift/harsh/soft/slipping
    • Check the A clutch for a does not apply condition. REFER to: A Clutch (307-01A Automatic Transmission - 10-Speed Automatic Transmission – 10R60, Diagnosis and Testing).
    • Check the C clutch for an always applied condition. REFER to: C Clutch (307-01A Automatic Transmission - 10-Speed Automatic Transmission – 10R60, Diagnosis and Testing).
    • Check the D clutch for a slipping apply condition. REFER to: D Clutch (307-01A Automatic Transmission - 10-Speed Automatic Transmission – 10R60, Diagnosis and Testing).
    • Check the E clutch for a slipping apply condition. REFER to: E Clutch (307-01A Automatic Transmission - 10-Speed Automatic Transmission – 10R60, Diagnosis and Testing).
    • Check the F clutch for a slipping apply condition. REFER to: F Clutch (307-01A Automatic Transmission - 10-Speed Automatic Transmission – 10R60, Diagnosis and Testing).
  • No 6-5 shift/harsh/soft/slipping
    • Check the C clutch for a does not apply condition. REFER to: C Clutch (307-01A Automatic Transmission - 10-Speed Automatic Transmission – 10R60, Diagnosis and Testing).
    • Check the D clutch for an always applied condition. REFER to: D Clutch (307-01A Automatic Transmission - 10-Speed Automatic Transmission – 10R60, Diagnosis and Testing).
    • Check the A clutch for a slipping apply condition. REFER to: A Clutch (307-01A Automatic Transmission - 10-Speed Automatic Transmission – 10R60, Diagnosis and Testing).
    • Check the E clutch for a slipping apply condition. REFER to: E Clutch (307-01A Automatic Transmission - 10-Speed Automatic Transmission – 10R60, Diagnosis and Testing).
    • Check the F clutch for a slipping apply condition. REFER to: F Clutch (307-01A Automatic Transmission - 10-Speed Automatic Transmission – 10R60, Diagnosis and Testing).
  • No 5-4 shift/harsh/soft/slipping
    • Check the D clutch for a does not apply condition. REFER to: D Clutch (307-01A Automatic Transmission - 10-Speed Automatic Transmission – 10R60, Diagnosis and Testing).
    • Check the E clutch for an always applied condition. REFER to: E Clutch (307-01A Automatic Transmission - 10-Speed Automatic Transmission – 10R60, Diagnosis and Testing).
    • Check the A clutch for a slipping apply condition. REFER to: A Clutch (307-01A Automatic Transmission - 10-Speed Automatic Transmission – 10R60, Diagnosis and Testing).
    • Check the C clutch for a slipping apply condition. REFER to: C Clutch (307-01A Automatic Transmission - 10-Speed Automatic Transmission – 10R60, Diagnosis and Testing).
    • Check the F clutch for a slipping apply condition. REFER to: F Clutch (307-01A Automatic Transmission - 10-Speed Automatic Transmission – 10R60, Diagnosis and Testing).
  • No 4-3 shift/harsh/soft/slipping
    • Check the E clutch for a does not apply condition. REFER to: E Clutch (307-01A Automatic Transmission - 10-Speed Automatic Transmission – 10R60, Diagnosis and Testing).
    • Check the F clutch for an always applied condition. REFER to: F Clutch (307-01A Automatic Transmission - 10-Speed Automatic Transmission – 10R60, Diagnosis and Testing).
    • Check the A clutch for a slipping apply condition. REFER to: A Clutch (307-01A Automatic Transmission - 10-Speed Automatic Transmission – 10R60, Diagnosis and Testing).
    • Check the C clutch for a slipping apply condition. REFER to: C Clutch (307-01A Automatic Transmission - 10-Speed Automatic Transmission – 10R60, Diagnosis and Testing).
    • Check the D clutch for a slipping apply condition. REFER to: D Clutch (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 E clutch for an always applied condition. REFER to: E Clutch (307-01A Automatic Transmission - 10-Speed Automatic Transmission – 10R60, Diagnosis and Testing).
    • Check the A clutch for a slipping apply condition. REFER to: A Clutch (307-01A Automatic Transmission - 10-Speed Automatic Transmission – 10R60, Diagnosis and Testing).
    • Check the C clutch for a slipping apply condition. REFER to: C Clutch (307-01A Automatic Transmission - 10-Speed Automatic Transmission – 10R60, Diagnosis and Testing).
    • Check the D clutch for a slipping apply condition. REFER to: D Clutch (307-01A Automatic Transmission - 10-Speed Automatic Transmission – 10R60, Diagnosis and Testing).
  • No 2-1 shift/harsh/soft/slipping
    • Check the E clutch for a does not apply condition. REFER to: E Clutch (307-01A Automatic Transmission - 10-Speed Automatic Transmission – 10R60, Diagnosis and Testing).
    • Check the C clutch for an always applied condition. REFER to: C Clutch (307-01A Automatic Transmission - 10-Speed Automatic Transmission – 10R60, Diagnosis and Testing).
    • Check the A clutch for a slipping apply condition. REFER to: A Clutch (307-01A Automatic Transmission - 10-Speed Automatic Transmission – 10R60, Diagnosis and Testing).
    • Check the D clutch for a slipping apply condition. REFER to: D Clutch (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 off
  • Clutch stuck on
  • Clutch slipping
Diagnostic steps are not provided for this symptom or DTC.  REFER to: Diagnostic Methods (100-00 General Information, Description and Operation).
PINPOINT TEST J : SHIFT QUALITY - MULTIPLE GEARS AFFECTED

Normal Operation and Fault Conditions

  • Only gears R, 1, 2, 3, 4, 5, 6 available
    • Check the A clutch for an always applied condition. REFER to: A Clutch (307-01A Automatic Transmission - 10-Speed Automatic Transmission – 10R60, Diagnosis and Testing).
  • Only gears 7, 8, 9, 10 available
    • Check the A clutch for a does not apply 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 available
    • Check the B clutch for an always applied condition. REFER to: B Clutch (307-01A Automatic Transmission - 10-Speed Automatic Transmission – 10R60, Diagnosis and Testing).
  • Only gears 1, 2, 3, 4, 5, 6, 7 available
    • Check the B clutch for a does not apply condition. REFER to: B Clutch (307-01A Automatic Transmission - 10-Speed Automatic Transmission – 10R60, Diagnosis and Testing).
  • Only gears 2, 3, 4, 5, 7, 9, 10 available
    • Check the C clutch for an always applied condition. REFER to: C Clutch (307-01A Automatic Transmission - 10-Speed Automatic Transmission – 10R60, Diagnosis and Testing).
  • Only gears R, 1, 6, 8 available
    • Check the C clutch for a does not apply condition. REFER to: C Clutch (307-01A Automatic Transmission - 10-Speed Automatic Transmission – 10R60, Diagnosis and Testing).
  • Only gears R, 1, 2, 3, 4, 6, 7, 8, 10 available
    • Check the D clutch for an always applied condition. REFER to: D Clutch (307-01A Automatic Transmission - 10-Speed Automatic Transmission – 10R60, Diagnosis and Testing).
  • Only gears 5, 9 available
    • Check the D clutch for a does not apply 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, available
    • Check the E clutch for an always applied condition. REFER to: E Clutch (307-01A Automatic Transmission - 10-Speed Automatic Transmission – 10R60, Diagnosis and Testing).
  • Only gears R, 2, 4, 10 available
    • Check the E clutch for a does not apply 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 available
    • Check the F clutch for an always applied condition. REFER to: F Clutch (307-01A Automatic Transmission - 10-Speed Automatic Transmission – 10R60, Diagnosis and Testing).
  • Only gears 1, 2, 3 available
    • Check the F clutch for a does not apply condition. REFER to: F Clutch (307-01A Automatic Transmission - 10-Speed Automatic Transmission – 10R60, Diagnosis and Testing).
  • Slip on hard acceleration in 1A and 2A
    • Check the low one-way clutch for a slipping condition. 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 the B clutch for a does not apply condition. REFER to: B Clutch (307-01A Automatic Transmission - 10-Speed Automatic Transmission – 10R60, Diagnosis and Testing).

Possible Sources

  • Clutch stuck on
  • Clutch stuck off
Diagnostic steps are not provided 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 Conditions

  • Torque converter clutch (TCC) does not apply
    • Access the PCM/ TCM and monitor parameter identifications (PIDs) TCC, TC_SLIPDSD and TC_SLIPACT. Road test the vehicle, making sure TCC lockup is attempted. If the parameter identifications (PIDs) indicate the TCC is slipping when lockup is commanded, check the TCC for a does not apply condition. REFER to: Torque Converter Clutch (TCC) (307-01A Automatic Transmission - 10-Speed Automatic Transmission – 10R60, Diagnosis and Testing).
  • Torque converter clutch (TCC) always applied
    • Access the PCM/ TCM and monitor parameter identifications (PIDs) TCC, TC_SLIPDSD and TC_SLIPACT. Start the engine and select Drive. If the parameter identifications (PIDs) indicate the TCC does not slip and the engine lugs 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, shudders, chatters
    • 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 parameter identifications (PIDs) TCC, TC_SLIPDSD and TC_SLIPACT. Road test the vehicle, making sure TCC lockup is attempted. If the parameter identifications (PIDs) indicate TCC shuddering, check the TCC for a shuddering condition. REFER to: Torque Converter Clutch (TCC) (307-01A Automatic Transmission - 10-Speed Automatic Transmission – 10R60, Diagnosis and Testing).

Possible Sources

  • Torque converter clutch fault
Diagnostic steps are not provided for this symptom or DTC.  REFER to: Diagnostic Methods (100-00 General Information, Description and Operation).
PINPOINT TEST L : TRANSMISSION FLUID CONTAMINATED, LEAKING, OVERHEATING

Normal Operation and Fault Conditions

  • External leaks
    • Inspect the transmission, transmission cooler and transmission cooler tubes for leaks. REFER to: Leakage Inspection (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 the 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
Diagnostic steps are not provided 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 Conditions

  • Whine noise
    • Some vehicles equipped with a 10R60 transmission may exhibit a whine noise. This may occur at idle and while driving coming from the bell housing and front pan area of the transmission. The whine noise may become louder when at operating temperature and increases with higher engine RPM in the Park position. A small amount of whine noise is considered to be characteristic of the 10R60 transmission due to the offset gear drivetrain in the front support and has no effect on durability.
  • 2WD - Clunk noise when shifting from Reverse to Drive or Drive to Reverse
    • 2WD drive vehicles are equipped with an anti-ting washer between the transmission output shaft and the transmission output shaft flange. When the load on the driveshaft changes, like when shifting from Reverse to Drive, the anti-ting washer will absorb normal movement between the 2 components. If the component interface is dry, corroded, or otherwise sticky, then a slip/stick condition can result. A slip/stick condition produces more than normal forces on the anti-ting washer and may result in an objectionable clunk noise. A light coating of high temperature grease applied to both sides of the anti-ting washer and the entire transmission output shaft spline area will reduce the clunk noise down to a normal acceptable level.
    • To remove the transmission output shaft flange and grease the output shaft and anti-ting washer, REFER to: Output Shaft Seal (307-01A Automatic Transmission - 10-Speed Automatic Transmission – 10R60, Removal and Installation).
  • Noise
    • Check the engine drive accessories, suspension, CV joints, transmission and transmission cooler tubes. 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, transmission and transmission cooler tubes. 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-ting washer interface
  • Engine drive accessories
  • Suspension components
  • Driveline components
  • Transmission components
Diagnostic steps are not provided 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 Conditions

  • Positive drag or rocking sensation at start up while in Park
    • The 10R60 applies three clutches in Park in anticipation of Reverse or Drive engagement. Each clutch application creates a small positive drag to the driveline and could cause a slight rocking sensation of the vehicle at or just after engine start in park. This is a normal and desired behavior of the 10R60 transmission.
  • Assembly gel present in transmission cooler case ports and/or main control assembly on new or low mileage transmissions
    • A clear gel-like grease is injected into the transmission case cooler ports before the transmission is shipped from the assembly plant. If enough grease is injected, it may be pushed back into the main control. The grease acts as a plug to prevent leaks during transmission installation into the vehicle. Grease found in the cooler ports and/or main control in new transmission assemblies is normal and has no affect on performance. As the transmission gets up to operating temperature, the grease will melt and dissolve into the transmission fluid.
  • Selector lever high effort
    • See selector lever binding or difficult to move - requires excessive effort condition. REFER to: External Controls (307-05A Automatic Transmission External Controls - 10-Speed Automatic Transmission – 10R60, Diagnosis and Testing).
  • No start - transmission range indicates Reverse when the selector lever is in Park
    • See selector lever linkage is out of correct gear relationship condition. REFER to: External Controls (307-05A Automatic Transmission External Controls - 10-Speed Automatic Transmission – 10R60, Diagnosis and Testing).

Possible Sources

  • Normal operation
  • Transmission external controls
Diagnostic steps are not provided for this symptom or DTC.  REFER to: Diagnostic Methods (100-00 General Information, Description and Operation).

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