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What Is the BCM in a Car? | What It Controls And Why It Fails

A body control module is the car’s body-and-cabin computer that runs lighting, locks, windows, wipers, and other comfort and security circuits. If your headlights flicker, the door locks act strange, or the interior lights won’t behave, you’ll hear the same three letters: BCM. It’s one of those parts you never think about until something small

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