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Thread: 2012 Chevy 1500 Connection Error Unable to loctae VCM*help*

  1. 05-13-2016 #1
    Sofakingfast
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    2012 Chevy 1500 Connection Error Unable to loctae VCM*help*

    I keep getting this error unable to locate vcm. Verify cable is connected and key is in the run position. Anyone have any ideas what it could be?
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  2. 05-13-2016 #2
    5FDP
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    Does the OBD2 port have power??
    2016 Silverado CCSB 5.3/6L80e, not as slow but still heavy.

    If you don't post your tune and logs when you have questions you aren't helping yourself.
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