GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2008 🢒 Tahoe - 4WD 🢒 Power and Signal Distribution 🢒 Data Communications 🢒 Control Solenoid Valve and Transmission Control Module Assembly Programming and Setup

Control Solenoid Valve and Transmission Control Module Assembly Programming and Setup 2ML70

The following service procedures require either a programming or a setup event be performed for a complete repair. The transmission control module (TCM) is part of the control solenoid (w/body and TCM) valve assembly, and is not serviced separately.

Transmission Control Module (TCM) Replacement

If the TCM is replaced, TCM Reprogramming must be performed. Refer to Service Programming System (SPS) .

TCM Reprogramming

When TCM Reprogramming must be performed, refer to Service Programming System (SPS) .

Ensure the following conditions exist in order to prepare for TCM programming or reprogramming:

    • 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.

Program the TCM using the latest software matching the vehicle. Refer to up-to-date Techline equipment user instructions.

If the TCM fails to program, proceed as follows:

    • Ensure the DLC and TCM connections are good.
    • 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.

TCM Setup

This device requires no setup.

Control Solenoid Valve and Transmission Control Module Assembly Programming and Setup 6L50/6L80/6L90

  1. The control solenoid valve and transmission control module assembly must be programmed with the proper software/calibrations. Ensure that the following conditions exist in order to prepare for control solenoid valve and transmission control module assembly programming:
    2. • 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 control solenoid valve and transmission control module assembly using the latest software matching the vehicle. Refer to up-to-date Techline equipment user instructions.
  3. If the control solenoid valve and transmission control module assembly fails to program, proceed as follows:
    4. 3.1. Ensure that the control solenoid valve and transmission control module assembly connection is OK.
    3.2. Inspect the Techline equipment for the latest software version.
    3.3. Attempt to program the control solenoid valve and transmission control module assembly. If the control solenoid valve and transmission control module assembly still cannot be programmed properly, replace the control solenoid valve and transmission control module assembly.