Sierra 3500 4WD V8-6.0L VIN U (2004)
Body Control Module: Removal and Replacement
BODY CONTROL MODULE REPLACEMENT
REMOVAL PROCEDURE
CAUTION: Refer to Battery Disconnect Caution in Service Precautions.
1. Disconnect the negative battery cable(s).
2. Remove the knee bolster.
3. Disconnect the brown connector.
4. Disconnect all other connectors (1).
5. Remove the BCM from the sliding bracket.
INSTALLATION PROCEDURE