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Thread: Vehicle Reader Invalid Checksum

  1. #1
    Tuner
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    Vehicle Reader Invalid Checksum

    I was trying to read a guys gen 3 LS P01 ecu last night and kept getting a error message at about 3% into reading the tune file. From what i have gathered it needs reflashed with the original tune file? That is something i dont have access to. Anyone had this problem before and solved it without restarting with a new ecu?
    20230824_145621.jpg
    1992 Ford Mustang - LR4 4.8 - BWS475 - LJMS Cam - E85
    1981 Chevy C10 SWB 4.8/60e - air ride *currently building*

  2. #2
    Tuner
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    I just came across this under the Tools drop down menu then going into options . Was unchecked when was given the reading error messages. hoping to find a confirmed fix before going back to scan the guys car. Your help is appreciated

    hptsasfd.png
    1992 Ford Mustang - LR4 4.8 - BWS475 - LJMS Cam - E85
    1981 Chevy C10 SWB 4.8/60e - air ride *currently building*

  3. #3
    HP Tuners Support
    (foff667)
    Bill@HPTuners's Avatar
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    Jun 2004
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    try reading in low speed mode
    It doesn't have to be perfect, it just needs to be done in two weeks...

    A wise man once said "google it"

  4. #4
    Advanced Tuner Pulse_GTO's Avatar
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    Apr 2008
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    Have you tried bench reading it?