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Thread: E67 Pulse width modulated fan slows down when drivig

  1. #1
    Tuner in Training
    Join Date
    Jul 2016
    Posts
    20

    E67 Pulse width modulated fan slows down when drivig

    I have a Pulse width modulated fan connected to my E67. I have the fan% vs ECT table set up the way I would like and it works when I am sitting still. When I start to increase vehicle speed, something is commanding the fan to slow down. I need them to stay on regardless of my vehicle speed. I don't see any tables in the E67 for "vehicle speed vs fan %" like there are in some of the E38 ECM or even the "ECT override limit" setting. Has anyone figured out a way to fix this? I submitted a help ticket to HP Tuners, but I would like to get this fixed ASAP. Thank you. Tune is attached.

    Colorado E67 Camaro LSA - 26 fan state transition.hpt

  2. #2
    Tuner in Training
    Join Date
    Jul 2016
    Posts
    20
    Bump. Anybody have experience with this? HP tuners support hasn't gotten back to me yet either. I'd love to find a fix for it before this weekend.