What causes a BCM to go bad?

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.Click to see full answer. Similarly one may ask, what are the symptoms of a bad body control module? In case there is some trouble with the BCM, some of the symptoms given below will start showing up in the car. Shaking: The car becomes jerky when driving at increasing speeds. Misfiring: Misfiring of the car at high speeds. Hesitant Acceleration: The pick up of the car, when accelerating, is not smooth. Subsequently, question is, what problems can a bad BCM cause? Flashing or lighting of “Check Engine Light” and other warning lights. As the BCM is communicating with other control elements of your car, its accomplishments of various functions may be hindered. Engine may not start. Draining of battery. Errors in key operations. Also Know, what does a bad BCM do? 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.How much does it cost to replace BCM?The average cost for a body control module replacement is between $501 and $532. Labor costs are estimated between $78 and $100 while parts are priced between $423 and $432. Estimate does not include taxes and fees.

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