Transmission Control Module (TCM) Reprogramming
- If the TCM needs to be reprogrammed, refer to Service Programming System (SPS) .NOTE: Use a scan tool to view and record the Transmission Control Module - End Model Part Number in the original TCM prior to starting the TCM reprogramming procedure.
- Perform the Transmission Solenoid Values Calibration Preset. Refer to Transmission Adaptive Pressure Reset (Transmission Solenoid Valves Calibration Preset - M4M) .
- Turn the ignition OFF for 30 seconds.NOTE: After programming, perform the following to avoid future misdiagnosis:
- Turn the ignition ON with the engine OFF.
- Use the scan tool in order to retrieve history DTCs from all modules.
- Clear all history DTCs.