GM has issued a fix for certain 2023 Chevy Malibu units with potentially incorrectly seated body control modules, which also affects the 2023 Cadillac XT4.

Some 2025 Corvette units will need body control module reprogramming that causes a check engine light to display. The fix is free of charge for owners.

The automotive central body control module (BCM) is a processor-based power distribution center that supervises and controls functions related to the car body such as lights, windows, security, door ...

The body-domain architecture integrates most body functions into one large central-control module, including a message-routing central gateway (Fig. 2).