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Thread: 2015 RT Challenger Transmission Tuning Issue

  1. #1
    Potential Tuner
    Join Date
    Aug 2017
    Posts
    1
    ...
    Last edited by Omarlx; 12-30-2017 at 01:04 PM.

  2. #2
    Advanced Tuner Blue Bee's Avatar
    Join Date
    Mar 2017
    Location
    DFW
    Posts
    330
    Tune? Log? What are logging to verify trans slip? Even in manual mode if the tires are spinning it will shift into next commander gear by output.

  3. #3
    Tuner
    Join Date
    Dec 2015
    Location
    Riyadh, Saudi Arabia
    Posts
    71
    wearied

    i drove that exact car, from 4 to 5 and 5 to 6 it won't hold on gear either ! it shifts itself on 6K !

    the funny part is that they share the same tranny 8HP70 on SRT and i did couple of them on 6600 RPM without tuning TCM at all !

    i believe it is the interface itself as i faced an issues with 5.7 especially 2014 also with RPM



    if someone from support reply to this thread that would be wonderful.