2017-2023 Duramax AMDP HP Tuners Transmission Custom Tune Package

Details

AMDP transmission-tuning bundle for supported 2017–2023 6.6L L5P Duramax Chevrolet Silverado and GMC Sierra applications.Includes an HP Tuners MPVI4 device and AMDP transmission tune files. This is a transmission-only package, not an engine-tuning package.Select No Credits if your transmission controller already has the required licensing, or Add Credits (4). ECM licensing does not cover the TCM.Supplier lists direct OBDII flashing for supported T87A (2017–2019) and T93 (2020–2023) controllers. HP Tuners VCM Suite 5.2 or newer is required. Confirm vehicle and controller compatibility before ordering.Custom tuning requires your vehicle’s stock TCM read and order details. Contact Bailey Performance Parts after ordering to arrange tune-file delivery.