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Thread: 2021 challenger

  1. #1
    Advanced Tuner
    Join Date
    Oct 2004
    Posts
    737

    2021 challenger

    I posed this question to support by email, but their response may have disappeared in my deleted spam folder. Does the 2021 challenger require the ecm unlocking service? One page says 2020-2024 requires it, but another page says 2023-2024 requires it.

  2. #2
    Tuner in Training
    Join Date
    Mar 2024
    Posts
    43
    As far as I know all Polaris MG1 require an unlock.

  3. #3
    Potential Tuner
    Join Date
    Jul 2025
    Location
    Draper, Utah
    Posts
    3
    It could be that the locked MG1CA007 (circa 2020) didn't make their way into this model until 2023? IDK

    Looking at the support page, it seems it's indeed locked. And I also confirmed elsewhere that it's the same MG1CA007

    https://www.hptuners.com/vehicles/powersports-tuning/

    Just sent my MG1CA007 in for unlock. I'll let you know how it goes. [2025 Scout Bobber]