GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
Buick
🢒
2003
🢒
Century
🢒
Body and Accessories
🢒
Body Control System
🢒 Body Control Module Replacement
Removal Procedure
Disconnect the negative battery cable. Refer to
Battery Negative Cable Disconnection and Connection
in Engine Electrical.
Remove the left instrument panel insulator. Refer to
Instrument Panel Insulator Panel Replacement - Left Side
in Instrument Panel, Gages and Console.
Disconnect the BCM electrical connectors.
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
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.
Connect the BCM electrical connectors.
Install the left instrument panel insulator. Refer to
Instrument Panel Insulator Panel Replacement - Left Side
in Instrument Panel, Gages and Console.
Connect the negative battery cable. Refer to
Battery Negative Cable Disconnection and Connection
in Engine Electrical.
Set up the new BCM. Refer to
Body Control Module (BCM) Programming/RPO Configuration
.