If you’re dealing with frustrating engine problems in your 1998 Buick Park Avenue or another compatible GM vehicle, you know how quickly a small issue can become a major headache. Whether it’s a persistent Check Engine Light, sudden stalling, poor fuel economy, or a car that just won’t start, the Powertrain Control Module (PCM) is often the culprit. As the central computer for your engine, its proper function is critical. This listing is for a direct-fit, reliable Powertrain Control Module, part number 9357034, that arrives programmed specifically for your vehicle.
Over my 20 years in the garage, I’ve seen countless drivers chase down sensor-related codes, only to find the root cause was a failing PCM. This component manages everything from fuel mixture and ignition timing to transmission shift points. When it starts to fail, it can create a cascade of confusing symptoms. We take the guesswork out of the repair by flashing this module with the latest GM-approved software updates, tailored precisely to your car’s Vehicle Identification Number (VIN). This ensures seamless communication between all your vehicle’s systems and restores its original performance and efficiency.
Is Your GM Vehicle Showing These Symptoms?
A faulty PCM can manifest in various ways. If you’re experiencing any of the following, a replacement module could be the solution you need. Look out for:
- ✔ Intermittent or complete no-start conditions.
- ✔ The engine stalls unexpectedly while driving or at idle.
- ✔ A persistent Check Engine Light, especially with internal module codes like P0601 (Internal Control Module Memory Check Sum Error).
- ✔ Noticeable decrease in fuel efficiency.
- ✔ Harsh or erratic automatic transmission shifting.
- ✔ Communication errors with your scan tool.
From the Diagnostic Bay
I recall a 1998 Buick LeSabre that came into the shop with a very tricky intermittent no-start condition. The owner had already replaced the battery and starter. We checked fuel pressure and spark, and everything looked fine. The car would start perfectly for days, then refuse to crank. After hours of diagnostics, we found the PCM wasn’t sending the ‘crank’ signal when the module got hot. A simple tap on the PCM case would sometimes make it work. This is a classic sign of failing internal solder joints. We installed a VIN-programmed PCM like this one, and the car has run without a single issue since. It’s a perfect example of how the 1998 Park Avenue PCM and its counterparts are the true brain of the operation.
Your Straightforward Installation Guide
One of the best features of this module is that it arrives ready for installation. Since we handle the programming, you can focus on the physical swap. For most DIYers, this is a manageable job.
- Safety First: Always disconnect the negative terminal from your vehicle’s battery before working on electrical components.
- Locate the PCM: On many of these GM models, the PCM is located inside the air filter housing in the engine bay or under the passenger side of the dashboard. A quick search for your specific model will confirm its location.
- 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 wiring 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. This allows the BCM to sync with the new 1998 Park Avenue PCM.
Verified Vehicle Compatibility
This module, identified by service numbers 09356741, 16236757, 9356741, 9357034, 9357440, and 9366314, is a direct replacement for a wide range of GM vehicles. Please match your part number or vehicle to the list below to ensure proper fitment.
- ACHIEVA 1998 (3.1L)
- ALERO 1999 (3.4L, ID 16236757, 9356741, 9357034, 9357440)
- BONNEVILLE 1998
- CAMARO 1998 (3.8L)
- CENTURY 1998 (3.1L)
- CUTLASS 1998 & 1999 (ID 16236757)
- EIGHTY EIGHT 1998
- FIREBIRD 1998 (3.8L)
- GRAND AM 1998 (3.1L) & 1999 (3.4L, ID 16236757, 9356741, 9366314, 9357034, 9347440)
- GRAND PRIX 1998
- INTRIGUE 1998
- LESABRE 1998 (3.8L)
- LUMINA CAR 1998
- MALIBU 1998 (3.1L)
- MONTE CARLO 1998
- PARK AVENUE 1998 (3.8L)
- REGAL 1998
- RIVIERA 1998 (3.8L)
- SILHOUETTE 1998
- SKYLARK 1998 (3.1L)
- TRANS SPORT 1998
- VENTURE 1998 (3.4L)
Frequently Asked Questions About This 1998 Park Avenue PCM
How do I provide my VIN for programming?
How do I provide my VIN for programming?
After you complete your purchase, simply send us a message with your vehicle’s 17-digit VIN. We cannot ship your module until we receive this information, as the programming is essential for it to function in your car.
Do I need any special tools to install this PCM?
How do I provide my VIN for programming?
After you complete your purchase, simply send us a message with your vehicle’s 17-digit VIN. We cannot ship your module until we receive this information, as the programming is essential for it to function in your car.
My original part has a different service number. Will this still work?
How do I provide my VIN for programming?
After you complete your purchase, simply send us a message with your vehicle’s 17-digit VIN. We cannot ship your module until we receive this information, as the programming is essential for it to function in your car.
What is the security relearn procedure?
How do I provide my VIN for programming?
After you complete your purchase, simply send us a message with your vehicle’s 17-digit VIN. We cannot ship your module until we receive this information, as the programming is essential for it to function in your car.