GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

Important: Perform new BCM setup when you replace Body Control Module (BCM). Refer to Body Control Module (BCM) Programming/RPO Configuration .


    Object Number: 642355  Size: SH
  1. Disconnect the battery ground (negative) cable. Refer to Battery Negative Cable Disconnection and Connection in Engine Electrical.
  2. Remove the left instrument panel insulator. Refer to Instrument Panel Insulator Replacement in Instrument Panel, Gauges and Console.
  3. Disconnect the BCM electrical connectors.
  4. Push the BCM up and move the bottom of the BCM away from and out of the mounting bracket slot in order to remove the BCM.

Installation Procedure


    Object Number: 642355  Size: SH
  1. Push the top of the BCM up into the mounting bracket in order to install the BCM. Then, while holding the BCM up, engage the bottom of the BCM into the mounting bracket slot.
  2. Connect the BCM electrical connectors.
  3. Install the left instrument panel insulator. Refer to Instrument Panel Insulator Replacement in Instrument Panel, Gauges and Console.
  4. Connect the negative ground (negative) cable. Refer to Battery Negative Cable Disconnection and Connection in Engine Electrical.
  5. Perform the new BCM setup. Refer to Body Control Module (BCM) Programming/RPO Configuration .