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Thread: 07 Nbs Silverado Electrical Issues Help

  1. 03-06-2013 #1
    HOD913
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    07 Nbs Silverado Electrical Issues Help

    I have a 2007 new body silverado getting these codes P0230, P1682, U0101, U0109, U0121 AND U0140. The truck has a really short crank cycle and when it does start it does not always shut off it will stay running with key turned off. Engine light is on and so is service stabilitrac.
    It had a really small battery in the truck so I went there first cause everything points to loss of voltage and loss of communication. I put a yellow top in it and That did not change the issues. I'm drawing a blank could it be bad BCM? Or maybe wiring to BCM? I have upgraded the power and ground wires for the truck as well. HELP
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  2. 03-06-2013 #2
    Shrek
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    Did you flash the controllers with HPT ?
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  3. 03-06-2013 #3
    HOD913
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    NO wanted to wait till i had this issue fixed first before installing the tune.
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  4. 03-06-2013 #4
    Shrek
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    Sounds like a job for your local GM dealer .......
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  5. 03-07-2013 #5
    HOD913
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    I just cant pay them the $1000 they will want to do it.
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