GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 1193726  Size: SH
  1. Turn the ignition off.
  2. Disconnect J1 and J2 transmission control module (TCM) electrical connectors.
  3. Pull the retaining tang from the TCM and rotate the TCM up.
  4. Remove the TCM from the TCM bracket.

Installation Procedure


    Object Number: 1193726  Size: SH
  1. Install the TCM.
  2. Connect J1 and J2 TCM electrical connectors.
  3. Important: DTC P0602 sets with all service TCMs. When the TCM is reprogrammed with the correct software and calibrations, DTC P0602 will be erased.

  4. Program the TCM with the correct calibration. Refer to Transmission Control Module Reprogramming Procedures.