ABS / Stabilitrac / Brake lights

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  • STURNER
    Member
    • Oct 2014
    • 91

    ABS / Stabilitrac / Brake lights

    2009 Pontiac G8 6.0 ABS, Stabilitrac, and Brake lights are on. No codes. Good communication with module. When I enter ABS data all lights go out. I can toggle back and forth in and out of data and lights go on and off. No codes in any other modules. Im using an apollo. Im wondering if maybe a bad ground that is somehow finding a path through the scanner?
  • Joe Rappa
    Snap-on DSD
    • Aug 2007
    • 2050

    #2
    Stabilitrac lights with no codes in ABS usually means you'll find a code in a related system. If that's not the case, any chance a tuner has been playing with the car? If so, send it back to them to make it right.
    Joe
    "You don't build a reputation on what you're going to do"
    Henry Ford

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    • STURNER
      Member
      • Oct 2014
      • 91

      #3
      only other code is a large evap leak. doubtful on tune but i will check on that, thanks.

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      • Glide
        Senior Member
        • Jan 2015
        • 303

        #4
        Originally posted by STURNER
        . Im wondering if maybe a bad ground that is somehow finding a path through the scanner?
        That would be my bet.Might even be a ground issue inside the ABS module.

        I have had weird issues with ABS if someone has replaced the brake light bulbs with LEDs,but commonly that will leave a fault code.

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