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  1. #11

    Default Body Control Module

    I've been living with the same problem for more than a year. I got a good reply on another
    site, the guy tore it all apart, repaired connections, got it to work, it failed again,and then replaced BCM, has worked ever since. If you have checked all the lock switches in the rear then you have a bad BCM. The wire to check is pink/black under steering colom going into the BCM. If its "NOT" grounded and all doors are closed, its the BCM. Open a door(s) to check switches. Only repair is to replace BCM and have GM program it. One day I'll change mine. For now no alarm, interior lights, or rear wiper I can live with.

  2. #12

    Default Appears to be the BCM...

    Thanks for the update. We took it to a local GNMC Dealer. Appears to be the BCM. They have traced down every wire and harness. Unfortunately this is a fairly expenseive fix $700+... however, we intend to keep the Yukon for a while as it has been a great truck to date. Thanks again for the assistance.

  3. #13


    I have the same exact problem with my 03 Yukon..But something is draining my battery

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