COULD THE BCM ON MY 2003 PONTIAC MONTANA BE BAD EVEN THOUGH IT DOESN'T SHOW A CODE?

  • Tiny
  • blackpony04
  • 2003 Pontiac Montana
  • 111,000 miles

I have a 2003 Pontiac Montana and all at once the keyless entry functions, power locks, power windows, interior lights, and the radio shut off delay stopped working. From some research it sounded like it could be a faulty BCM but when I took it to my Autozone to have the codes checked no codes came back. I checked all the fuses (both under the hood and on the dash) and visually checked the wires and couldn't see anything obvious.

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Saturday, March 17th, 2012 AT 11:50 PM

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  • Tiny
  • saturntech9
  • Expert
  • 29,872 posts

Yes you can have a bad body control module and no codes the only times I have seen codes in the pcms saying it has a commucation U1000 code or something like that. Thats only when the pcm cant talk to the body control module though.

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Sunday, March 18th, 2012 AT 12:14 AM

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