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Your Chevy's body control module is
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acting up, windows not working, interior
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lights flickering, maybe even the key
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fob not responding. The quick fix is a
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reset. Power cycle the module by
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disconnecting the car's battery for a
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short while. You'll just need a basic
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wrench to loosen the battery terminals.
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Nothing fancy. The module or BCM is like
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the car's light switch brain. It handles
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your locks, your dome lights, your
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wipers, all that stuff. When it
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glitches, a reset usually brings it
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back. Okay, then. Step one, pop the hood
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and locate the battery. Disconnect the
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negative terminal first. That's the
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black cable, then the positive. Leave
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them off for about 15 to 20 minutes.
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That drains out any leftover charge and
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clears the BCM memory. After the weight,
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reconnect the positive terminal, then
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the negative. Tighten them snug, but
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don't overtighten. Now hop in your car.
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Turn the ignition to on, but don't start
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it yet. Let the dash light cycle for
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about a minute while the BCM relearns.
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Once that's done, go ahead and start the
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engine. Test your power windows,
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interior lights, and locks. Most times,
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you'll notice they snap back to normal.
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If your remote key fob was acting weird,
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try it again. Nine times out of 10, it's
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good. Now, if things still feel off,
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there are two other tricks. First, check
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your car's fuses. The BCM has a
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dedicated fuse in the interior fuse box,
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usually under the dash. Pull it, wait 30
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seconds, then push it back in. That's
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like doing a mini reset without touching
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the battery. Second, some Chevys respond
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better to a scan tool reset. That's when
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you hook up an OBD scanner under the
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steering wheel, go into body control,
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and hit reset or relearn. It's quick,
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takes about 2 minutes, and sometimes
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works better if you've replaced a
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battery or alternator. Well, um, one
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safety tip. If your car has airbags tied
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into the BCM, don't start unplugging
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wires or modules directly. Stick with
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the battery method. I had a Silverado in
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the shop last winter where the windows
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froze midup, the dome light stayed stuck
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on, and the customer thought the motors
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were fried. Simple battery disconnect
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fixed everything in under half an hour.
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Saved him a couple hundred bucks in
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guesswork. So, what car model are you
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fixing right now? Drop it below. I'm
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curious if it's a Silverado and Equinox,
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maybe a Malibu. All right, then. To
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recap, resetting your Chevy's BCM is
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usually just a battery disconnect and
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reconnect. If that doesn't cut it, try
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the fuse pull or an OBD scan reset. Like
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and subscribe if this helped and share
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your reset story in the comments.
