P1D6C

P1D6C-THERMAL DAMAGE TO CLUTCHES

For a complete wiring diagram Refer to the Wiring Information.

Theory of Operation

The Transmission Control Module (TCM) performs various internal tests to verify proper controller operation. If the TCM detects that the variables that dictate the vehicle application are not present, the controller will enter Limp-in mode and illuminate the MIL.

- When Monitored:
Gear shift or gear engagement active.

- Set Condition:
The failure is detected if the transmission fluid temperature is greater than a calibrated threshold.





Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. 8HP45 Pre-Diagnostic Troubleshooting Procedure
CHECK DTC IS CURRENT
1. Turn the ignition ON.
2. With the scan tool, CLEAR transmission DTCs.
3. Start the engine.
4. Allow the engine to reach normal operating temperature.
5. With the scan tool, select View DTCs.

NOTE: It may be necessary to drive the vehicle to meet the conditions to set this DTC, try to repeat the conditions in which the fault set by reviewing the Freeze Frame data.

Is the DTC Active at this time?

Yes

- Replace the transmission. Removal.

No

- Check the transmission fluid level and condition. 8HP45 Automatic Transmission
- Perform the TRANSMISSION VERIFICATION TEST. Verification Tests.