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Thread: VCM scanner Causes car to die

  1. #1
    Potential Tuner
    Join Date
    Sep 2023
    Posts
    3

    VCM scanner Causes car to die

    2004 gto ls1, whenever i connect to the vehicle ecu while its running it will cause the car to die. i can then restart the car (with the ecu already connected) and start recording it will run fine, any suggestions as to what could be causing this?

  2. #2
    Advanced Tuner Pulse_GTO's Avatar
    Join Date
    Apr 2008
    Posts
    338
    Did the same on my 2004 GTO a couple of times, but not every time. Now I just start scanning before I start the engine.