Body Control Module (BCM)

The Body Control Module (BCM) controls interior illumination. Refer to Body Control Module (BCM) for more information regarding the BCM.

Diagnostic Trouble Codes (DTCs)
The BCM may set these DTCs related to the interior courtesy lights:
^ B0812 - Battery feed courtesy lamps circuit open.
^ B0828 - Theatre dimming ground circuit open.
^ B1802 - Courtesy lamps circuit shorted to ground.
^ B2452 - Theatre dimming circuit 1 shorted to ground or open.
^ B2453 - Theatre dimming circuit 1 shorted to voltage.
^ B2457 - Theatre dimming 2 circuit shorted to ground or open.
^ B2458 - Theatre dimming 2 circuit shorted to voltage.

Refer to Body Control Module (BCM) for diagnostic procedures regarding these DTCs. Body Control Module