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Thread: Unlicensed vehicle error - 22 ram, license.dat file delete does not help

  1. #1
    Potential Tuner
    Join Date
    Jun 2025
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    1

    Unlicensed vehicle error - 22 ram, license.dat file delete does not help

    working on a 2022 Ram cummins tune with ECM swap to 2019 ecm.

    did initial read, sent to tuner, received file to flash.

    went through license process, go to flash tune, it goes to "gather information" then "unlicensed vehicle" within 5 seconds.

    tried uninstalling and reinstalling all hp software. same thing.

    tried deleting the license.dat file, but when i go back to VCM Editor i lose all license information and does not even give me the option to try to write (get the empty icon rather than colored).

    any help here is greatly appreciated, HP Support just wrote this morning saying they dont offer support for this 22 cummins.

  2. #2
    HP Tuners Support
    (foff667)
    Bill@HPTuners's Avatar
    Join Date
    Jun 2004
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    Hailing from Parts Unknown
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    28,768
    uninstall the software & install newest beta & try again. Typically this is a software installation issue or pc issue. Sometimes uninstall/install helps.
    You can open a support ticket here https://support.hptuners.com/