Restore Peak Performance to Your GM Vehicle
Are you chasing down frustrating, intermittent electrical problems in your car? A stubborn Check Engine Light that won’t go away, rough idling, hesitation, or even hard-to-diagnose transmission shifting issues can often point to one culprit: a failing Powertrain Control Module (PCM). As the brain of your vehicle’s engine and transmission, when the PCM starts to fail, it can cause a cascade of problems that are maddening for any owner or mechanic. This isn’t just an inconvenience; it affects your car’s reliability, fuel economy, and safety.
This is a direct-replacement 1998 Intrigue PCM, also known as an engine computer, designed to solve those issues for good. Forget about expensive diagnostic trips and the high cost of dealership programming. We take the guesswork and hassle out of the repair. Simply provide us with your vehicle’s VIN after purchase, and our technicians will flash the module with the latest, most stable software updates direct from GM. It arrives at your door ready for a straightforward installation, making this a simple, effective, and economical solution to get your car running like new again.
From the Diagnostic Bay: The Ghost in the Machine
I remember a 1998 Buick Regal that came into my shop. The owner was at his wit’s end. It had an intermittent no-start condition and when it did run, the transmission would slam into gear. He’d already replaced the crank sensor and a transmission solenoid based on another shop’s advice, with no luck. After connecting my scan tool, I saw no communication with the PCM. A quick wiggle of the harness at the module brought it back to life momentarily. These early PCMs, especially after 20+ years, can develop internal connection failures on the circuit board from heat cycles and vibration. We installed a VIN-programmed module just like this one, and the car ran perfectly. It’s a classic failure mode I’ve seen dozens of times on these GM platforms.
Is Your Vehicle Exhibiting These Symptoms?
A faulty PCM can manifest in numerous ways. If you’re experiencing any of the following, it’s a strong indicator that your engine computer needs replacement:
- âś” Check Engine Light is on with codes like P0601 (Internal Control Module Memory Check Sum Error) or other communication faults.
- âś” Engine cranks but refuses to start.
- âś” Unexplained drops in fuel efficiency.
- âś” Rough or unstable idle.
- âś” Harsh, erratic, or delayed automatic transmission shifts.
- âś” The vehicle stalls unexpectedly while driving or at a stop.
- âś” Failure to pass an emissions or smog test.
A Straightforward Guide to Installation
Replacing your 1998 Intrigue PCM is a manageable job for a DIY enthusiast. With our pre-programmed module, you eliminate the need for specialized scan tools. Just follow these general steps:
- Safety First: Always disconnect the negative terminal from your vehicle’s battery before starting any electrical work.
- Locate the PCM: On these GM vehicles, the PCM is typically found in the engine compartment (often inside the air filter box) or under the passenger-side dashboard. A quick search for your specific model will confirm its location.
- Disconnect the Module: Carefully unplug the electrical harness connectors. They have locking tabs that need to be released—be gentle to avoid breaking the old plastic.
- Remove the Old Unit: Unbolt the mounting hardware holding the old PCM in place and remove it from the vehicle.
- Install the New PCM: Mount your new, pre-programmed PCM in the same location and secure it with the original hardware.
- Reconnect Everything: Firmly plug the harness connectors into the new module until they click into place. Reconnect your battery terminal. Your installation is complete!
Verified Vehicle Compatibility
This Powertrain Control Module is a guaranteed fit for a wide range of General Motors vehicles. Please verify your model and engine options below. This part is a direct replacement for service numbers 09356741, 16236757, 9357034, 9357440, and 9366314.
ALERO 99 Electronic Control Module; (LH center dash), 3.4L, ID 16236757, 9356741, 9357034, 9357440, or 9366314
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, 9357034, 9347440, or 9366314
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
What is a PCM and what does it do?
The Powertrain Control Module (PCM) is your vehicle’s main computer. It controls engine functions like fuel delivery and spark timing, as well as automatic transmission shifting, to ensure optimal performance, fuel economy, and emissions.
Why do you need my VIN?
Your Vehicle Identification Number (VIN) allows us to program the PCM with the correct software and calibrations specific to your car’s engine, transmission, and factory options. This ensures it works perfectly right out of the box.
Is any additional programming required after I install it?
No. Because we program the module to your VIN before shipping, no further programming or dealer visits are necessary. You may need a scan tool to perform a security relearn procedure (CASE learn), which is a simple process you can find instructions for online.
Where do I send my VIN after I place the order?
After you complete your purchase, you can send us a message through the platform with your 17-digit VIN. We cannot ship your part until we receive this information.
Will this fix my car’s problem for sure?
This part corrects issues directly caused by a faulty PCM. While the symptoms listed are common for PCM failure, we always recommend proper diagnostics to confirm the PCM is the root cause before ordering. A professional diagnosis can save you time and money.