How do I know if my body control module is bad?
Symptoms of a Misfiring BCM High speed shake. If the car becomes a bit unstable or misfires when you drive it at high speeds, the BCM might not be communicating and synchronizing different systems of the car. Bad acceleration. If your acceleration isn’t smooth, you could also be experiencing BCM failure.
What all does the body control module control?
The body control module controls and monitors various body electronics functions in the passenger vehicle such as exterior and interior lighting, wipers, air-conditioning, access control systems, heating functions or parking aids.
What happens when the body control module goes bad?
A malfunctioning BCM will activate dashboard instrumentation cluster error and warning lights. These lights may flash off and on if the BCM is not able to read the sensors correctly. Your vehicle performance may also be affected as the BCM communicates with other control modules in the vehicle.
Is a body control module a computer?
A body control module is a computer component in an automobile that checks, regulates and operates electronic devices throughout the car. When electric devices first began being used in cars and trucks, each device was governed by a separate electric component.
What problems can a bad BCM cause?
Can you drive with a bad BCM?
Yes. Potential causes of a malfunctioning BCM include hard impact collisions, loose wiring harnesses, shorting of wires, excessive heat from the engine, and damaged sensors. These instances can generate multiple problems such as computer miscalculations, which could make your car impossible to drive.
Does a new body control module need to be programmed?
Most BCMs need to be programmed by the remanufacturer or a shop equipped with the proper tools. If the replacement BCM needs programming, it must be programmed with the latest operating software and vehicle calibrations.
Can you reset a body control module?
To complete the body control module reset, you will have to reconnect the battery. This reestablishes the electrical supply through the BCM as well as other electrical peripherals of the vehicle. Once the battery is reconnected, check if the problems that made you perform the body control reset have been rectified.
