2001 GMC Sierra 1500 Electronic Control Unit

Part Number: 4256-07053855

Notes: Engine Control Computer -- Remanufactured; Vehicle specific Flash programming req'd ON or OFF the vehicle.Accurate VIN and mileage are req'd. Additional vehicle specific on-car programming must be performed AFTER installation to prevent drivability and starting issues.

Part Number: 4256-07036484

Notes: COMPUTER - REMFD -- This Is A Flash Unit And Requires Reprogramming Locally.; OE No. 12200411; Requires Local Reprogramming; Remanufactured