Transmission Control Module Replacement
WARNING: This page is about a different car, the 2021 GMC Terrain. However, it is still accessible from the selected car via links, so may be relevant.
 Courtesy of GENERAL MOTORS COMPANY
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Transmission Control Module Procedure
- Disconnect the electrical connector.
- Remove the module from the module bracket by releasing the retaining tabs.
- Program the transmission control module, if replaced. Q77 Transmission Control Solenoid Valve Characterization Programming
NOTE:
Radiator assembly removed for clarity.
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