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Thread: unable to write calibration

  1. 12-20-2016 #1
    jason k
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    unable to write calibration

    I am trying to flash my truck pcm and get an error message " write calibration selected for (p59) but operating system ID's are different " and it wont write the calibration the pcm originally came from this truck, I had used it in a ls swap for my f body while building the truck and I think I upgraded to rtt but have never had any issues with programming any ideas???
    95 z28 with 6.0, 243's milled .030 to about 11:1, ls6 intake and tb, brian tooley stage 3 231/242 617/593 112 lsa , fast/ areomotive fuel system, 1 7/8 tsp longtubes, no cats, turbo 400, 36 lbs GTP injectors
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  2. 12-20-2016 #2
    jason k
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    all I am trying to do is flash the stock file back to the pcm
    95 z28 with 6.0, 243's milled .030 to about 11:1, ls6 intake and tb, brian tooley stage 3 231/242 617/593 112 lsa , fast/ areomotive fuel system, 1 7/8 tsp longtubes, no cats, turbo 400, 36 lbs GTP injectors
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  3. 12-20-2016 #3
    Engineer@HPT
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    Quote Originally Posted by jason k View Post
    all I am trying to do is flash the stock file back to the pcm
    If you upgraded to a custom OS like (RTT) you have to write entire to go back to the stock OS.
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  4. 12-20-2016 #4
    Torque_Vector
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    I think you have to do a Write Entire for that as long as the stock file was the one that was on it before you upgraded. I am pretty new so forgive me if I am not correct, but I would try Write Entire.


    Well looks like HPT Engineer beat me to the response lol. At least I was on the right track.
    Last edited by Torque_Vector; 12-20-2016 at 10:23 PM. Reason: Engineer beat me to the reply haha
    Torque_Vector
    408ci stroker LS3 1998 BMW 323is - 490RWHP 466RWT in 100 degree weather
    260cc CNC Ported PRC heads, 11.25:1 Compression, 4" stroke, 242/250 .615/.615", Nick Williams 92mm TB, LS3 intake/fuel rails, FAST 39# INJ, 3" x-pipe dual exhaust

    Additions: ID1300 INJ, Flex Fuel Sensor, Aeromotive 5GPM variable speed Fuel Pump...
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  5. 12-20-2016 #5
    jason k
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    when I click on write entire I get a red BRICKABLE warning should I be scared??
    95 z28 with 6.0, 243's milled .030 to about 11:1, ls6 intake and tb, brian tooley stage 3 231/242 617/593 112 lsa , fast/ areomotive fuel system, 1 7/8 tsp longtubes, no cats, turbo 400, 36 lbs GTP injectors
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  6. 12-21-2016 #6
    Bill@HPTuners
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    Quote Originally Posted by jason k View Post
    when I click on write entire I get a red BRICKABLE warning should I be scared??
    I always shake in my boots a bit.

    The fact is its a warning not a premonition. However if you want to go back to stock thats how you do it.
    It doesn't have to be perfect, it just needs to be done in two weeks...

    A wise man once said "google it"
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