GM Service Manual Online
For 1990-2009 cars only

Object Number: 1716800  Size: MF

Callout

Component Name

1

Transmission Control Module (TCM)

Procedure

  1. Disconnect the TCM electrical connector.
  2. A new TCM requires programming. Refer to Control Module References .

Tip
Twisting or tilting of the transmission control module electrical connector while disconnecting may result in bent or misaligned electrical terminal pins.