Chevrolet Impala Engine Control Module (ECM) Replacement

Important: Vehicle Specific Flash Programming Required ON or OFF the Vehicle. Accurate VIN and Mileage are Required Important: Vehicle Specific On-Car Programming must be Performed AFTER Installation to Prevent Drivability and Starting Issues

The PROM(s)/CALPACK must be transferred from the original module to the replacement module Additional relearns (theft, crankshaft, idle, etc.) may be required

The PROM(s)/CALPACK must be transferred from the original module to the replacement module Additional relearns (theft, crankshaft, idle, etc.) may be required

with Original Equipment (OE) # 12625455 Important: Vehicle Specific Flash Programming Required ON the Vehicle