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
Remanufactured
Remanufactured
with Original Equipment (OE) # 12591278 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
Browse our selection of quality engine control module (ecm) parts designed specifically for your Pontiac Grand Prix. We carry options across multiple trim levels, body styles, and engine configurations to ensure a perfect fit.
Base · Brougham · GT · GTP · GXP · LE · LJ · SE · SJ
Coupe · Hardtop · Sedan
V6 3.1L · V6 3.4L · V6 3.8L · V6 4.1L · V6 4.3L · V8 4.3L · V8 4.4L · V8 4.9L · V8 5.0L · V8 5.3L · V8 5.7L · V8 6.4L · V8 6.6L · V8 6.9L · V8 7.0L · V8 7.5L
Automatic · Manual · U/K