Restore Peak Performance to Your GM Vehicle
Is your 1998 Camaro, Firebird, or Grand Prix suffering from frustrating issues like intermittent stalling, a persistent check engine light, or rough idling? These are classic symptoms of a failing Powertrain Control Module (PCM), the computer that acts as your vehicle’s brain. A faulty PCM can disrupt everything from fuel delivery and ignition timing to transmission shifting, making your car unreliable and frustrating to drive. This isn’t just an inconvenience; it can lead to poor fuel economy, failed emissions tests, and even leave you stranded.
This replacement Powertrain Control Module, part number 9366314, is the definitive solution. We take the guesswork and hassle out of the repair by pre-programming the module specifically for your vehicle using your VIN. This means it arrives at your door with the latest GM software updates, ready for a straightforward installation. You get a reliable part that restores original functionality without the need for an expensive trip to the dealership for programming.
From the Diagnostic Bay: The Phantom No-Start
I remember a 1998 Pontiac Bonneville that came into the shop with a maddeningly intermittent no-start condition. The owner had already replaced the battery and starter. When it did run, it would occasionally stall at red lights. My scan tool was showing a P0601 (Internal Control Module Memory Check Sum Error) and a few U-series communication codes that would come and go. After verifying the wiring and grounds were solid, all signs pointed to an internal PCM failure. We installed a VIN-programmed module just like this one, performed the quick security relearn, and the car fired up instantly. The phantom electrical gremlins were gone, and the owner was thrilled to have his reliable car back. These PCMs are the heart of the vehicle, and when they start to fail, the symptoms can be all over the place.
Signs Your Powertrain Control Module is Failing
If you’re experiencing any of the following, a faulty PCM is a likely culprit. Replacing your failing unit with a quality, correctly programmed module is critical for a lasting repair.
- ✔ Check Engine Light is illuminated with codes like P0601, P0605, or other internal processor faults.
- ✔ Engine cranks but refuses to start.
- ✔ Unexplained stalling or shutting off while driving.
- ✔ Noticeable decrease in fuel economy.
- ✔ Harsh or erratic automatic transmission shifting.
- ✔ General poor engine performance, hesitation, or misfiring.
A Straightforward Guide to Installation
Installing your new 1998 Camaro PCM is a job most DIY mechanics can handle. By programming it to your VIN beforehand, we’ve eliminated the most difficult step.
- Safety First: Disconnect the negative terminal from your vehicle’s battery to prevent any electrical shorts.
- Locate the PCM: On most of these vehicles, the PCM is located in the engine compartment, often near the air filter box or on the firewall. It’s a metal box with several large electrical connectors.
- Disconnect and Remove: Carefully unplug the electrical harness connectors. They have locking tabs that need to be released. Once disconnected, unbolt the old module from its mounting bracket.
- Install the New Module: Bolt the new PCM into place and securely reconnect the electrical harnesses. Ensure they click into place.
- Reconnect Battery: Reattach the negative battery terminal.
- Perform Security Relearn: Your vehicle may require a simple security relearn procedure to recognize the new PCM. This typically involves turning the key to the ‘ON’ position for 10-15 minutes. Consult your vehicle’s service information for the exact steps.
Verified Vehicle Compatibility
This module is a direct replacement for service number 9366314 and is compatible with a wide range of 1998 and 1999 GM vehicles. Please match your vehicle, engine, and specific ID number if applicable. Providing your VIN at checkout guarantees we send you a perfectly matched and programmed part.
ALERO 99 Electronic Control Module; (LH center dash), 3.4L, ID 16236757, 9356741, 9366314, 9357034, 9357440
BONNEVILLE 98 Electronic Control Module
CAMARO 98 Electronic Control Module; 6-231 (3.8L)
CENTURY 98 Electronic Control Module; (6-191, 3.1L)
CUTLASS 98 Electronic Control Module
CUTLASS 99 Electronic Control Module; (LH center dash), ID 16236757
EIGHTY EIGHT 98 Electronic Control Module
FIREBIRD 98 Electronic Control Module; 6-231 (3.8L)
GRAND AM 98 Electronic Control Module; 6-191 (3.1L)
GRAND AM 99 Electronic Control Module; (LH center dash), 3.4L, ID 16236757, 9356741, 9366314, 9357034, 9347440
GRAND PRIX 98 Electronic Control Module
INTRIGUE 98 Electronic Control Module
LESABRE 98 Electronic Control Module; (6-231, 3.8L)
LUMINA CAR 98 Electronic Control Module; (LH engine compartment)
MALIBU 98 Electronic Control Module; 6-191 (3.1L)
MONTE CARLO 98 Electronic Control Module
PARK AVENUE 98 Electronic Control Module; (6-231, 3.8L)
REGAL 98 Electronic Control Module
RIVIERA 98 Electronic Control Module; (6-231, 3.8L)
SILHOUETTE 98 Electronic Control Module; (LH engine compartment)
SKYLARK 98 Electronic Control Module; 6-191 (3.1L)
TRANS SPORT 98 Electronic Control Module; (LH engine compartment)
VENTURE 98 Electronic Control Module; (6-207, 3.4L)
Frequently Asked Questions
Do I need to have this module programmed by a dealer?
Do I need to have this module programmed by a dealer?
No. The main benefit of our service is that we program the module to your vehicle’s specific VIN before shipping it. This makes the installation process much simpler and saves you the time and expense of a dealership visit.
What information do you need from me?
After you complete your purchase, you will need to provide us with your vehicle’s 17-digit VIN (Vehicle Identification Number). This ensures we can load the correct factory software and calibrations for your specific car.
Where is the PCM located on a 1998 Camaro?
On the 1998 Chevrolet Camaro with the 3.8L V6 engine, the Powertrain Control Module (PCM) is typically located on the passenger side of the engine compartment, near the shock tower and behind the coolant overflow reservoir.
What is the difference between a PCM and an ECM?
The terms are often used interchangeably. ECM stands for Engine Control Module, while PCM stands for Powertrain Control Module. A PCM is a more advanced type of ECM that also controls the transmission and other powertrain components, which is standard on most vehicles from this era.
Will this fix my check engine light?
If the check engine light is on due to an internal failure of the PCM (common codes include P0601-P0606), then yes, this part will resolve the issue. However, if the light is on for another reason, such as a faulty sensor, that component will still need to be addressed separately.