GM Service Manual Online
For 1990-2009 cars only

Object Number: 2018671  Size: MF

Callout

Component Name

Preliminary Procedures

  1. Remove the battery tray. Refer to Battery Tray Replacement.
  2. Remove the lever linkage. Refer to TBD.
  3. Disconnect the TCM electrical connector.

1

Transmission Control Module Fastener (Qty: 3)

Caution: Refer to Fastener Caution in the Preface section.

Tighten
25 N·m (18 lb ft)

2

Transmission Control Module

Procedure

  1. Set the inner, rotating section of the control module so that the arrow is pointing towards the marking on the housing.
  2. Carry out adaptation, resetting. Refer to Transmission Adaptive Functions.
  3. Program the gear selector position sensor in neutral, using the scan tool.
  4. Tip
    Twisting or tilting of the transmission control module electrical connector while disconnecting may result in bent or misaligned electrical terminal pins.