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Home >> Chevrolet >> 2012 >> Chevy Express G1500, Van Passenger >> Repair and Diagnosis >> External Pages >> Different car >> Section 2330 (Programming And Setup - All Systems) >> Repair Instructions >> Transmission Control Module Programming & Setup
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Transmission Control Module Programming & Setup

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2013 GMC Savana, 2013 GMC RV Cutaway, 2013 GMC Cutaway, 2013 Chevrolet RV Cutaway, and 2013 Chevrolet Express. However, it is still accessible from the selected car via links, so may be relevant.
  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. Refer to up-to-date Techline equipment user instructions.
  3. If the TCM fails to program, proceed as follows:
    1. Ensure that the TCM connection is OK.
    2. Inspect the Techline equipment for the latest software version.
    3. Attempt to program the TCM. If the TCM still cannot be programmed properly, replace the TCM.
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