How do you replace the body control module?
BODY CONTROL MODULE
Disconnect battery negative cable.
Remove lower steering column cover and knee blocker reinforcement.
Disconnect two wire connectors from bottom of Body Control Module (BCM) Body Control Module .
Remove bolts holding junction block to dash panel mounting bracket.
Remove junction block from mounting bracket.
Remove screws holding BCM to junction block.
Slide BCM downward to disengage guide studs on junction block from channels on BCM mounting bracket.
Remove BCM from junction block.
Reverse the preceding operation The BCM is located near the parking brake behind the drivers side kick plates (mentioned above) It has 5 plugs in it, one 6 pin plug and four 34 pin plugs.