Possible BCM Issue? - Chevy Impala Forums
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Possible BCM Issue?

I have an 02 Impala with right around 180k miles on it. Purchased the car about a month ago and the security light randomly comes on and off but the car has no problem starting, the issue is when the security light comes on it turns off my headlights and turns them back on very quickly about every 3 minutes or so.

So basically, I can be driving and night and end up randomly flashing other drivers. Also, two other things have occurred since. My doors no longer auto lock and unlock, and also my trunk release button no longer works.

Does anyone else think this is a bcm issue? From what I've read that's what it's leading me to believe. If anyone knows any info at all it"d help. Also can you do a bcm relearn by yourself so I wouldn't have to take it to a dealer?
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