Restore Your Impala’s Brain and Get Back on the Road
Is your 2001-2003 Chevrolet Impala or other GM vehicle suffering from strange, hard-to-diagnose issues? A persistent check engine light, unexplained stalling, or rough shifting can often be traced back to a single component: the Powertrain Control Module (PCM). As an experienced technician, I’ve seen firsthand how a failing PCM can mimic a dozen other problems, leading to wasted time and money on unnecessary parts. This isn’t just a replacement part; it’s a definitive solution to restore your vehicle’s performance and reliability.
This module, part number 09360210, is the central computer for your engine and transmission. It manages everything from fuel injection and ignition timing to emission controls and transmission shift points. When it falters, the entire powertrain suffers. We take the guesswork and hassle out of the repair by programming this module specifically for your car using your Vehicle Identification Number (VIN). It arrives loaded with the latest factory software from GM, ensuring it works seamlessly with your vehicle’s systems right out of the box.
From the Diagnostic Bay
I remember a 2002 Monte Carlo with the 3.4L V6 that came into my shop. The owner had already replaced the spark plugs, ignition coils, and even the fuel pump chasing an intermittent stalling problem and a P0606 (PCM Processor Fault) code that would come and go. After confirming power and ground to the module were solid, we knew the issue was internal to the PCM. Heat soak from the engine compartment had likely damaged the processor over time. We installed one of our VIN-programmed modules, and the car ran perfectly. The customer was thrilled to finally have a reliable car again without the expensive trip to the dealer for programming.
Is Your Vehicle Showing These Symptoms?
- ✔ Persistent Check Engine Light (CEL)
- ✔ Engine stalling or cutting out unexpectedly
- ✔ Rough or erratic engine idle
- ✔ Decreased fuel economy
- ✔ Harsh or incorrect automatic transmission shifting
- ✔ Vehicle won’t start, but the battery and starter are good
- ✔ Failure to pass an emissions test
- ✔ Diagnostic trouble codes (DTCs) pointing to internal module failure, such as P0601, P0602, or P0606.
A Straightforward Guide to Installation
- ✔ Safety First: Disconnect the negative terminal from your vehicle’s battery to prevent any electrical shorts.
- ✔ Locate the Module: On most compatible vehicles like the Impala, the PCM is found in the engine compartment on the driver’s side (LH), often mounted near the air filter box.
- ✔ Disconnect the Harnesses: Carefully unclip and disconnect the electrical wiring harnesses from the old module. There are typically two or three large connectors.
- ✔ Remove the Old PCM: Unbolt the old module from its mounting bracket.
- ✔ Install the New PCM: Mount your new, pre-programmed module in the same location and secure it with the original bolts.
- ✔ Reconnect and Finalize: Plug the wiring harnesses firmly back into the new PCM. Reconnect the negative battery terminal. In some cases, a simple security relearn procedure may be needed, which can typically be done without special tools.
Verified Vehicle Compatibility
This Powertrain Control Module is a direct-fit replacement for a wide range of General Motors vehicles. It is compatible with part numbers 09360210, 12209614, and 12202600. Please verify your vehicle is on the list below. After purchase, we will require your VIN to ensure perfect programming.
- Buick: Century (01-02), Regal (00-02), Rendezvous (02-03)
- Chevrolet: Impala (01-03, 3.4L), Lumina (01), Malibu (01-03), Monte Carlo (01-03, 3.4L), Venture (01-03)
- Oldsmobile: Alero (01-03, 3.4L), Aurora (01-02, 3.5L), Intrigue (01-02), Silhouette (01-02)
- Pontiac: Aztek (01-03), Grand Am (01-03, 3.4L), Grand Prix (01-03, 3.1L), Montana (01-02)
Frequently Asked Questions
What does “programmed to your VIN” mean?
It means we load the module with your vehicle’s specific factory software using your 17-digit VIN. This ensures all systems communicate correctly and your car operates as intended by the manufacturer, with the newest software updates included.
Is this part difficult to install for a DIYer?
Not at all. Since the programming is done for you, the physical installation is a simple bolt-off, bolt-on process that typically takes less than an hour with basic hand tools. No special computers are required.
How do I provide my VIN?
You can add your VIN in the notes section during checkout, or we will contact you via email after your purchase to request it. We cannot ship the module until we have your VIN to program it.
Is a PCM the same thing as an ECM or ECU?
Yes. The terms Powertrain Control Module (PCM), Engine Control Module (ECM), and Engine Control Unit (ECU) are often used interchangeably. For these GM vehicles, it’s the main computer controlling the engine and often the transmission.
Will this fix my check engine light?
If the check engine light is caused by a faulty PCM (e.g., codes like P0601), then yes, this will resolve the issue. It’s crucial to properly diagnose the problem first, but a bad PCM is a very common failure point on these models.