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Thread: 03 5.9 almost ecm brick

  1. #1
    Potential Tuner
    Join Date
    Mar 2024
    Posts
    1

    03 5.9 almost ecm brick

    Has anyone had a mvp3 fail in the middle of a write then say controller unlocker timeout the truck would not start. After about 10 tries I got it read, it got to 75% and failed with the same message then 10 tries later it wrote a complete tune thankfully. I'm just wondering if anyone has had the same kind of problem or a solution to the problem. Also this the second day I have owned my hp tuner and first real tuner

  2. #2
    Advanced Tuner MAIDENCR's Avatar
    Join Date
    Sep 2018
    Location
    Quebec,canada
    Posts
    208
    You have a good batterie on your truck? Sometime voltage is a bot low
    03 cummins,175% flux injectors,dual cp3,s467.7/83 1.00
    Nv5600 with valair triple disc clutch

  3. #3
    Tuner
    Join Date
    Feb 2019
    Location
    Indiana
    Posts
    135
    My mpvi2 times out all the time on 03-05 trucks.. just have to keep trying until it actually goes through