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Thread: E38 p0606

  1. #1
    Tuner in Training
    Join Date
    Apr 2015
    Posts
    18

    E38 p0606

    I am tuning a customers 67 Chevelle with what is supposed to be a GMPP 525 LS3, 4L80E. It has already been touched by multiple shops with unknown software, has 2 BAR enhanced for no apparent reason and is supposed to be VE dyno tuned. I do not have access to any previous files or original files relating to the project. I am just attempting to clean up idle, shift points and part throttle mostly. My HPT shows the PCM as a E38 from a 2007 GMC Sierra 5.3, "OS 12614088 -> 1250212" My main problem is an occasional lost ETC along with a P0606 code. Thinking the "Desired Throttle Area" tables had been jacked with I tried to write the file with all the stock values from a stock 12614088 truck file. It did not brick the PCM but it wouldn't take any throttle with that calibration before throwing the P0606.

    Am I missing something? Is there a different stock OS that I should be getting the throttle area values from to lose the P0606?

  2. #2
    Tuner in Training
    Join Date
    Feb 2020
    Location
    The Woodlands, TX
    Posts
    13
    Did you figure this out? I'm experiencing a similar issue with the P0606