Restore Peak Performance to Your GM Vehicle
Is your 2001-2003 Oldsmobile Alero, Grand Am, or other GM vehicle suffering from frustrating, hard-to-diagnose issues? A persistent Check Engine Light, unexpected stalling, poor fuel mileage, or a complete no-start condition often points directly to a failing Powertrain Control Module (PCM). As the central computer for your engine and transmission, its health is critical. This replacement PCM, part number 12209614, is the reliable, cost-effective solution to get your car back on the road and running as it should.
We eliminate the biggest hassle of replacing a PCM: the programming. Before we ship, our technicians will flash this module with the latest official GM software, tailored specifically to your car using the VIN you provide. This means it arrives ready for installation, saving you a trip to the dealership and hundreds of dollars in programming fees. It’s the smart, straightforward fix for both DIY mechanics and professional shops.
Common Signs of a Failing PCM
- ✔ Check Engine Light is on with codes related to internal module failure (e.g., P0601, P0602, P0606).
- ✔ Engine cranks but will not start, or starts and immediately stalls.
- ✔ Noticeable decrease in fuel economy for no apparent reason.
- ✔ Harsh, erratic, or delayed automatic transmission shifting.
- ✔ The engine misfires, runs rough, or hesitates during acceleration.
- ✔ Communication issues with your diagnostic scan tool.
Case Study: A Tricky Diagnosis
A few months back, a 2002 Pontiac Grand Am with the 3.4L V6 came into my bay. The owner was at his wit’s end. The car had an intermittent no-start condition that seemed to happen most often on hot days after a short drive. He had already replaced the battery and starter to no avail. We hooked up the scanner and found no hard codes, just a history of lost communication faults. After checking all the power and ground circuits to the PCM, which were solid, we suspected a heat-related failure within the module itself. These early 2000s PCMs, especially when mounted in the dash like on the Grand Am and Alero, can be susceptible to this after years of heat cycles. We installed a pre-programmed module, and the problem was solved instantly. It’s a reminder that sometimes the ‘brain’ is the component that fails, and having a reliable, correctly programmed replacement is key to an effective repair.
A Straightforward Guide to Installation
Replacing the 2001-2003 Alero PCM is a manageable job for a confident DIYer. While locations vary by model, the process is similar.
- Safety First: Always disconnect the negative terminal from your vehicle’s battery before starting any electrical work.
- Locate the Module: On the Oldsmobile Alero and Pontiac Grand Am, the PCM is typically found behind the center of the dashboard, accessible from the passenger side footwell. On many other GM models like the Impala or Century, it’s in the engine compartment, often near the air filter housing.
- Disconnect the Wiring: Carefully release the locking tabs on the electrical connectors and pull them straight out from the module. Never force them.
- Remove the Old PCM: Unbolt the module from its mounting bracket and remove it from the vehicle.
- Install the New PCM: Secure your new, pre-programmed module in place and firmly reconnect the wiring harnesses. You should hear or feel a click as they lock.
- Reconnect Battery: Reattach the negative battery terminal.
- Perform Security Relearn: In most cases, you will need to perform a simple key-cycle security relearn procedure to sync the new PCM with your vehicle’s anti-theft system. This usually takes about 30 minutes and requires no special tools. We include instructions for this process.
Verified Vehicle Compatibility
This module is a direct replacement for part numbers 12209614, 12202600, and 09360210. It is guaranteed to fit the following vehicles, provided the part number or engine/option matches:
- Oldsmobile Alero: 2001-2003 (3.4L)
- Pontiac Grand Am: 2001-2003 (3.4L)
- Chevrolet Impala: 2001-2003 (3.4L)
- Chevrolet Monte Carlo: 2001-2003 (3.4L)
- Pontiac Grand Prix: 2001-2003 (3.1L)
- Buick Century: 2001-2002
- Buick Regal: 2000-2002
- Oldsmobile Intrigue: 2001-2002
- Chevrolet Malibu: 2001-2003
- Pontiac Aztek: 2001-2003
- Buick Rendezvous: 2002-2003
- Chevrolet Venture: 2001-2003
- Pontiac Montana: 2001-2002
- Oldsmobile Silhouette: 2001-2002
- Oldsmobile Aurora: 2001-2002 (3.5L)
- Chevrolet Lumina Car: 2001
Ordering a pre-programmed 2001-2003 Alero PCM is the most reliable way to solve complex electronic issues and restore your vehicle’s function and drivability.
Frequently Asked Questions
Do I need to have this module programmed?
No. We handle all the programming for you before shipment. Simply provide your vehicle’s 17-digit VIN during or after checkout, and it will arrive ready to install.
What is the security relearn procedure?
It’s a simple process to sync the new PCM with your car’s anti-theft system. It typically involves turning the key to the ‘ON’ position for 10 minutes, then ‘OFF’ for 10 seconds, and repeating this sequence three times. We provide detailed instructions with your order.
Where is the PCM located on my 2002 Alero?
On the 2001-2003 Oldsmobile Alero, the PCM is located inside the car, on the left-hand (driver’s) side of the center dash console. It’s often easiest to access from the passenger footwell area by removing a lower trim panel.
Is this a new or used part?
This is a high-quality, inspected, and tested recycled OEM part. Each unit is verified to be fully functional before being programmed with the latest GM software for your specific vehicle.
How do I find my vehicle’s VIN?
Your 17-digit Vehicle Identification Number (VIN) can be found on your vehicle’s registration, insurance card, or on a metal plate on the driver’s side of the dashboard, visible through the windshield.