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Thread: Srv activation log

  1. #1
    Advanced Tuner
    Join Date
    Jul 2021
    Posts
    236

    Srv activation log

    Is there a way to see in the hp scanner, if the srv switch is opening the short runners? I have a 5.7 with the 392 manifold and the mmx short runner actuator that connects to the canbus of the car and was wondering if i could detect if it where activating.
    2019 challenger rt
    92mm hellcat throttlebody
    ported 5.7 intake manifold
    ported eagle heads
    Cammotion custom 222/234 cam
    stainless works long tube headers
    Vs 78/75 turbo
    e-85 tuned
    3.70 lsd

  2. #2
    Tuner vndetta79's Avatar
    Join Date
    Aug 2022
    Location
    Houston, TX
    Posts
    90
    There short be something in the channels list but I'm not sure if it works with a manifold swap. I'm interested to hear if it does.
    Screenshot 2023-04-23 113109.png

  3. #3
    Banned
    Join Date
    Jan 2022
    Location
    fountain valley
    Posts
    2,379
    Pro link external input would show power or lack thereof

  4. #4
    Advanced Tuner
    Join Date
    Jul 2021
    Posts
    236
    I dont have the pro link, but if i did, how would i set up the scanner to see it?
    2019 challenger rt
    92mm hellcat throttlebody
    ported 5.7 intake manifold
    ported eagle heads
    Cammotion custom 222/234 cam
    stainless works long tube headers
    Vs 78/75 turbo
    e-85 tuned
    3.70 lsd

  5. #5
    Advanced Tuner f.creek-ranch's Avatar
    Join Date
    May 2018
    Location
    Germany
    Posts
    625
    In the scanner there is channel for the intake runner in percentage.
    This shows 78% in my 6.4 swap, no matter what rpm.
    alfaobd can activate the runner by test, so its functional.

    I try to find a way to get the rt ecm to work with the srv.

    In Hp there is the button srv equipped, but its useless and doesnt work.

  6. #6
    Potential Tuner
    Join Date
    May 2025
    Posts
    4
    Quote Originally Posted by f.creek-ranch View Post
    In the scanner there is channel for the intake runner in percentage.
    This shows 78% in my 6.4 swap, no matter what rpm.
    alfaobd can activate the runner by test, so its functional.

    I try to find a way to get the rt ecm to work with the srv.

    In Hp there is the button srv equipped, but its useless and doesnt work.
    Not sure if you're still around, but how are you using AlfaOBD to test the srv?