2004 GMC Sierra 2500 HD equipped with 8.1L V8 Gas OHV, 6.6L V8 Diesel OHV Turbo, 6.0L V8 Gas OHV, 6.0L V8 CNG OHV
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Remanufactured Transmission Control Module 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 5 Speed Automatic Transmission
2004 GMC Sierra 2500 HD equipped with 8.1L V8 Gas OHV, 6.6L V8 Diesel OHV Turbo, 6.0L V8 Gas OHV, 6.0L V8 CNG OHV
Remanufactured Transmission Control Module 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 5 Speed Automatic Transmission
