In certain instances, these items may not operate at all. If your BCM begins to malfunction, you will notice a negative effect on the operation of the various parts that the Body Control Module commands and it’s likely that you’ll experience one or more of the following symptoms: The Intermittent Operation of Electronic ComponentsĮlectronic components such as Exterior and Interior Lamps, Chime Warning, Courtesy Lamps, Dome Lamps, Door Ajar Status, Fog Lamps, Wiper Controls, Low and High Beam Head Lamps, Horn, Park Lamps, Central Locking, Horn Chirp, Instrumentation Lighting and Gauges, Speedometer, Odometer, Radio, Power Door Locks, Power Windows, Radio functions etc.

It also coordinates the operating functions of many non-engine related ancillary items as well as security features. It streamlines the manufacturing and troubleshooting aspects of electronic modules by housing the modules into one, central unit instead of each function having its own device. The Body Control Module (BCM) could be considered a central organizational module for your vehicle.

Body mods gone wrong