GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

  1. Disconnect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection in Engine Electrical.

  2. Object Number: 955399  Size: SH
  3. Remove the TCM from TCM bracket.

  4. Object Number: 1370528  Size: SH
  5. Disconnect the transaxle control module (TCM) electrical connectors (1) from the TCM (2).

Installation Procedure


    Object Number: 1370528  Size: SH
  1. Connect the TCM electrical connector (1) to the TCM (2).

  2. Object Number: 955399  Size: SH
  3. Install the TCM to the TCM bracket.
  4. Connect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection in Engine Electrical.
  5. Important: DTC P0602 is set with all new service transaxle control modules. When the transaxle control module is reprogrammed with the correct software and calibrations, DTC  P0602 will be erased.

  6. Reprogram the TCM with the correct calibration. Refer to Transmission Control Module Programming and Setup in Programming and Setup.
  7. Perform the transmission adaptive learn procedure. Refer to Transmission Adaptive Learn .
  8. Refer to Control Module References for programming and setup information.