GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

    Caution: Unless directed otherwise, the ignition and start switch must be in the OFF or LOCK position, and all electrical loads must be OFF before servicing any electrical component. Disconnect the negative battery cable to prevent an electrical spark should a tool or equipment come in contact with an exposed electrical terminal. Failure to follow these precautions may result in personal injury and/or damage to the vehicle or its components.

  1. Disconnect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection in Engine Electrical.

  2. Object Number: 763283  Size: SH
  3. Release the body control module (BCM) wire harness retainer from the BCM bracket.
  4. Disconnect the BCM electrical connectors from the BCM.
  5. Release the lock tabs and remove the BCM from the BCM bracket.

  6. Object Number: 581535  Size: SH
  7. Remove the BCM bracket nuts (2) if required.
  8. Remove the BCM bracket (1) as an assembly if required.

Installation Procedure


    Object Number: 581535  Size: SH
  1. Install the BCM bracket (1) as an assembly if required.
  2. Notice: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.

  3. Install the BCM bracket nuts (2) if required.
  4. Tighten
    Tighten the nuts to 5 N·m (44 lb in).


    Object Number: 763283  Size: SH
  5. Install the BCM into the BCM bracket until lock tabs are fully seated.
  6. Connect the BCM electrical connectors to the BCM.
  7. Install the BCM wire harness retainer to the BCM bracket.
  8. Connect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection in Engine Electrical.
  9. Reprogram the BCM. Refer to Body Control Module (BCM) Programming/RPO Configuration .
  10. Refer to Control Module References for programming and setup information.