Control Module: Testing and Inspection

Transmission Control Module Reprogramming Procedures

TCM Programming Procedures
1. The transmission control module (TCM) must be programmed with the proper software/calibrations. Ensure that the following conditions exist in order to prepare for TCM programming:
^ The battery is fully charged.
^ The ignition switch is in the RUN position.
^ The Techline equipment cable connection at the data link connector (DLC) is secure.
2. Program the TCM using the latest software matching the vehicle.
3. If the TCM fails to program, proceed as follows:
^ Ensure that the TCM connection is OK.
^ Inspect the Techline equipment for the latest software version.
^ Attempt to program the TCM. If the TCM still cannot be programmed properly, replace the TCM.