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Thread: Error: $0537

  1. #1
    New Member
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    Feb 2015
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    Default Error: $0537

    I am getting an error on my 03 LB7 when I try to read in my ECM from my AutoCal. I have tried Alt Keys, Assume ECM is locked, Try Additional unlock methods, etc. with no luck. I have my trace file on hand and my license backup file. What should I do from here?

  2. #2
    Lifetime Member comnrailpwr's Avatar
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    Jun 2011
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    456

    Default

    Pull radio, info, radio amp fuses, check assume lock may be faulty and un click high speed. Sometimes it works.

  3. #3
    Lifetime Member GMPX's Avatar
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    Apr 2003
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    13,148

    Default

    Also think about any aftermarket equipment that may have been wired in to the data bus, these always cause problems on the LB7 & LLY.
    I no longer monitor the forum, please either post your question or create a support ticket.

  4. #4
    New Member
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    Feb 2015
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    Default

    I have already tried all of the things you guys have listed. I've also tried bench flashing it with no luck, so that definitely rules out any electrical interference.

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