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Thread: P0606 pcm Failure

  1. #1
    Potential Tuner
    Join Date
    Nov 2017
    Posts
    3

    P0606 pcm Failure

    2006 GMC 3500 cab and chassis 6.6 stock tune. Getting P0606 codes. from what i can see it needs an GM updated flash. Is that something i could get out of the tune repository? if so how could i find it to know that it is the updated flash??

  2. #2
    Tuner in Training
    Join Date
    Sep 2015
    Posts
    25
    Good luck getting a response in here. It's a dead forum...........

  3. #3
    Tuner bigboykilroy's Avatar
    Join Date
    Apr 2007
    Location
    Aurora, Ohio
    Posts
    131
    Normally a P0606 is a PCM failure code. But it seems to be a incomplete programming routine for the diesel pcm.
    Are you able to re-flash the pcm back to stock with a Tech2?
    Last edited by bigboykilroy; 12-28-2017 at 12:12 PM.
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