DIESELR MPVi4 68RFE Transmission Tune File (2022-2024 Cummins 6.7L - 68RFE)The Dieselr MPVI4 68RFE Transmission Tune File for 20222024 6. 7L Cummins is a platform specific calibration developed for trucks running our paired ECM tuning. This file is delivered for HP Tuners MPVI4 and is engineered to improve shift strategy, clutch control, torque management, and drivability under real load conditions. This TCM calibration is only compatible with Dieselr ECM tuning. Purchase confirms you are currently running, or will be
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