What happens when a body control module goes bad?

What is this? A faulty body control module can also cause intermittent operation of various electrical functions, such as a vehicle’s horn, lights, and wipers. Wildly sweeping instrument cluster dials are also a tell-tale sign of body control module failure, as is irregular door lock and radio operation.

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.

What does the body control module control?

Strictly speaking, body control module function is to control load drivers and coordinates activation of auto electronics units. The microcontrollers and connectors integrated into a BCM constitute the central structural unit of the system responsible for the controlling part.

Will disconnecting battery reset BCM?

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.

Can you repair a body control module?

Most of the time, a damaged BCM will have to be replaced and can’t be repaired. Water, vibration, heat and age can all contribute to a module failing, which, depending on the placement of the unit in your vehicle, can be difficult to avoid.

How much does a BCM cost?

A body control module replacement typically costs anywhere between $400 and $450 on parts alone. Some factors that may affect the price include the brand, series, vehicle specifications, etc. Labor costs can range anywhere from $80 to $100 depending on your vehicle’s year, make, and model.

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.

How do I reset my body control module?

Can a body control module be repaired?

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