Relearn procedure may need to be performed upon installation of unit. Please refer to the service manual for vehicle specific instructions. Important: Vehicle Specific Flash Programming Required ON the Vehicle Important: Vehicle Specific On-Car Programming must be Performed AFTER Installation to Prevent Drivability and Starting Issues
Browse our selection of quality transmission control module parts designed specifically for your GMC Sierra 2500 HD. We carry options across multiple trim levels, body styles, and engine configurations to ensure a perfect fit.
Base · SL · SLE · SLT · WT
Crew Cab Pickup · Extended Cab Pickup · Standard Cab Pickup
V8 6.0L · V8 6.6L · V8 8.1L
Automatic · Manual
