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Thread: PCM locked, had HP flash... can't access?

  1. #1
    Member
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    Sep 2007
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    Default PCM locked, had HP flash... can't access?

    any thoughts- i am sure i've been through this before, won't let me access tune on read (bolt-ons) changed to cam/ heads and brought to me for tune. I have unchecked high speed & check try alt keys. I "believe" the tune was not locked, but it was an HP cal. Do I flash in stock tune and start over (with tech II) or can I read it somehow???
    thanks

  2. #2
    Lifetime Member GMPX's Avatar
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    Does it actually read the PCM then fail, or fail right at the start?
    I no longer monitor the forum, please either post your question or create a support ticket.

  3. #3
    Lifetime Member mr.prick's Avatar
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    If it's a pptuner COS then you won't be able to read it.
    I think it will be locked automatically if it is a pptuner COS as well.
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  4. #4
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    does not read it.. kicks me out immediately.

  5. #5

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    Hp locks their tunes if you load one of their Custom OS's into your ECM. It can be unlocked. I have unlocked a few of these...
    2002 Chevy Truck

    K&N Air Intake
    Dynatech Headers
    Noisy Lifters

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