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Thread: 04 and up F Series truck failure reading pcm

  1. 04-08-2009 #1
    socaltuning
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    04 and up F Series truck failure reading pcm

    Every 04 and up F Series Truck I attempt to tune has a read failure at 49.8% of the read. Has anyone else experienced this or is there a fix?

    Thanks in advance.
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  2. 04-08-2009 #2
    Bill@HPTuners
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    Likely the pcm had been previously tuned or an inline module disrupting communications.
    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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  3. 04-08-2009 #3
    socaltuning
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    read faild at loc 80000 error. timed out.

    this is the 3rd one in a week. i put them into DiabloSport with no problems. Has anyone experienced this?
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  4. 04-08-2009 #4
    Bill@HPTuners
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    pcm's were probably previously tuned then, possibly using a predator or other similar device.
    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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  5. 04-09-2009 #5
    socaltuning
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    i thought the same except 2 were completely stock and bought new by the customers. i tried a 3rd one here at the shop just for the hell of it and same thing. it goes to 49.8% read, stalls, and then retries several times and just quits.
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  6. 05-12-2009 #6
    TBLTZ
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    Quote Originally Posted by socaltuning View Post
    i thought the same except 2 were completely stock and bought new by the customers. i tried a 3rd one here at the shop just for the hell of it and same thing. it goes to 49.8% read, stalls, and then retries several times and just quits.
    socaltuning,

    Did you figure out what the problem was?

    Thanks
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