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Thread: Ls1b $0281 $0101 $054a

  1. #1
    Junior Member
    Join Date
    Oct 2021
    Posts
    13

    Default Ls1b $0281 $0101 $054a

    Trying to Cal flash a LS1B ECM and keep getting $0281 $0101 $054A Believe I possibly bricked one because of $0281 during a call flash. Was able to flash another and get engine running but tried to get back in and change trans to 4l60 and getting the same codes not all at once but different times.
    Had stereo on star and ABS fuses pulled, no other power draws, OBDII fuse is good.

    V8.3.21
    V3 Firmware V3.00.
    Bootblock V3.00.006
    Any help

  2. #2
    Joe (Moderator) joecar's Avatar
    Join Date
    Apr 2003
    Posts
    28,403

    Default

    I saw your other thread regarding this, I brought this to someone's attention.

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