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Thread: TCM OS/Calibration Help

  1. #1
    Tuner fumanchu182's Avatar
    Join Date
    Oct 2019
    Location
    Maryland
    Posts
    78

    TCM OS/Calibration Help

    I have a rebuilt transmission that is using a donor TCM from a 2019 Dodge Charger SRT Hellcat (LD, 05035608AC). When we placed the new transmission in the car it started no problem. When I went to inspect the calibration and OS it would not let me write my existing TCMs calibration or OS into it, 68239153AG, with the WiTech. Does anyone have a technique or know where in the WiTech menu's we can for a TCM overwrite? Is this even possible or am I screwed?

    Any help is appreciated.
    Hellcat PB > ET: 10.092, MPH: 135.650, 60': 1.492, R/T: .000
    Bone Stock Scat Pack PB > ET: 11.612, MPH: 119.52, 60': 1.634, R/T: .000 (gone but not forgotten).

    https://youtube.com/user/fumanchu182

  2. #2
    Advanced Tuner N2speed's Avatar
    Join Date
    Mar 2021
    Location
    Pompano Beach FL
    Posts
    264
    Witech will only re-write the current cal that is loaded. However I have a way to flash it on the bench if you want to send me the TCM


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