Body Control Modules

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Body control modules manage interior systems including lighting, locks, windows, power accessories, and security. Also covers GEMs (Ford's body-electronics module) and CTMs (Chrysler's central timer module). All units are bench-tested before shipping. Find your part number on the module label and search to confirm fitment.

Common questions

What does a Body Control Module (BCM) do?

The BCM manages the vehicle's body electronics — interior and exterior lighting, power locks and windows, wipers, chimes, and keyless entry — and it talks to other modules over the vehicle network. It's a central hub, so a failing BCM can show up as problems in several unrelated systems at once.

What are the symptoms of a failing BCM?

Intermittent electrical gremlins are the classic sign — lights, locks, or windows acting up, dash warnings, chimes that won't stop, and on some platforms a no-crank/no-start condition or a battery that drains overnight. Because the BCM touches so many systems, the symptoms often look scattered.

Does a BCM need programming?

Almost always. BCMs need to be configured or programmed to your vehicle — VIN, option content, and sometimes a key relearn — so plan on programming as part of the job. Buy the correct part number first, then have it programmed with the right tool. Message us your VIN and your old part number if you want us to confirm the fit.

How do I get the right BCM for my vehicle?

Match the OEM part number on your existing module — BCMs are option- and platform-specific, so the number is what matters. Use the fitment checker or send us your VIN. A tested OEM unit programmed to your VIN behaves like the original; there's generally no aftermarket BCM for these.