DIESELR RTD4 T93 TCM Tune Files (2024-2026 Duramax L5P 6.6L) - Global BThe Dieselr RTD4 T93 TCM Tune Files are developed specifically for 20242026 GM Duramax L5P 6. 6L trucks equipped with the Global B T93 Transmission Control Module. These calibrations are designed to correct factory transmission behavior when real world torque, load, or tuned engine output exceed stock limits. On Global B platforms, the factory T93 strategy relies heavily on torque management and adaptive shift logic. As power increasesor when the
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DIESELR RTD4 T93 TCM Tune Files (2024-2026 Duramax L5P 6.6L) - Global B