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Thread: Flashed PCM, car will not recognize fobs

  1. #1

    Flashed PCM, car will not recognize fobs

    This is the second time this has occured with an '06-'07 C6. Upon writing the PCM the car will not start and will not recognize the fobs, but I can still read/write the PCM. Has anyone else experienced a similar issue?

  2. #2
    Advanced Tuner
    Join Date
    May 2007
    Posts
    307
    i had a similar issue where my 07 GMC Sierra wouldnt start after a reflash. i reflashed again and it worked fine.