FixVault

Transmission Control Module Replacement

Fig 1: Transmission Control Module With Torque Specifications
GM3944411Courtesy of GENERAL MOTORS COMPANY
Callout Component Name
Preliminary Procedure 
Battery Negative Cable Disconnection and Connection
NOTE:

When replacing the transmission control module (TCM), save the TCM data before removing the module from the vehicle. Refer to Control Module References .

1 Transmission Control Module Bracket Fastener
CAUTION:

Refer to Fastener Caution .


Tighten 
10 N.m (89 lb in)
2 Transmission Control Module Bracket Fastener [2x]
Tighten 
5.5 N.m (49 lb in)
3 Transmission Control Module Bracket
4 Transmission Control Module Bracket Fastener [2x]
Tighten 
5.5 N.m (49 lb in)
5 Transmission Control Module
Procedure 
Disconnect the transmission control module electrical connector.
For programming and setup, refer to Control Module References .