This update enables OBD access for ACDelco T87A and BENCH mode for ACDelco T87 and Bosch T93 TCUs. These TCUs are found in GM vehicles from 2015 onward, including pickups, SUVs, and muscle cars with 3.6L to 6.6L petrol and diesel engines. Ideal for tuning shift timing, torque management, and improving ECU-TCU sync.
Check compatibility and take advantage of the new coverage:
Cadillac – 3.6L, 6.2L
Chevrolet – 3.6L, 5.3L, 6.2L, 6.6L
GMC – 5.3L, 6.2L, 6.6L
