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Thread: Error code $0281 2003 LB7, Help!

  1. #1
    New Member
    Join Date
    Jan 2017

    Exclamation Error code $0281 2003 LB7, Help!

    Was in the middle of flashing my ECM over to Full 1 and accidentally disconnected my AutoCal and now my truck wont start and gives me error code $0281. Did I fry my ECM or is their a way to repair the connection between my EFI Live and my ECM?

  2. #2
    Lifetime Member GMC-2002-Dmax's Avatar
    Join Date
    Dec 2005


    Send it to SoCal Diesel, IF a full flash fails it could be bricked

    Tuner of many, many Duramax and Cummins Diesels.

  3. #3
    Lifetime Member
    Join Date
    Mar 2006


    Have you tried full flashing it again? If it happened in the first ~15-30 seconds, it likely needs to be sent to be repaired.
    2013 Sonic RS Manual - 1.4L I4T E78, tuned, turbo mods, etc.
    2008 TrailBlazer SS 3SS AWD Summit White - LS2 E67/T42, bolt ons, suspension, etc.
    2002 Chevy TrailBlazer LT 4X4 Summit White - 4.2L I6 P10, lifted, wheels, etc.

  4. #4
    New Member
    Join Date
    Jan 2017


    I have been unable to try and do a complete reflash due to the error and I am missing the cable that goes from the AutoCal to my computer so I ordered it to hook up my laptop to my truck and see if it registers my VIN. Hopefully it will establish a connection with it.

  5. #5
    EFILive Reseller wait4me's Avatar
    Join Date
    Aug 2004


    I fix them all the time. Call during biz hours and i can tell you what you need to do to get it fixed.
    $50 is the cost to fix them.
    "If you can leave a black mark on the pavement, from the exit of one corner to the braking point of the next one, you have enough horsepower."

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