Restore Your Van’s Heartbeat and Get Back on the Road with Confidence
Is your trusty Chevrolet Express van suddenly acting up? Stalling at intersections, shifting erratically, or showing a persistent check engine light can be more than just an annoyance—it’s a sign that the brain of your vehicle, the Powertrain Control Module, may be failing. Don’t let drivability issues sideline your work or your adventures. This direct-fit PCM is the definitive solution, arriving at your doorstep fully programmed with the latest GM software updates, tailored specifically to your van’s VIN. It’s not just a part; it’s the peace of mind that comes from a reliable, straightforward repair.
Signs Your PCM is Failing and the Benefits of a Solution
A failing computer can mimic a dozen other mechanical problems. If you’re experiencing any of the following, this module is the targeted fix you need to restore order and performance.
- ✔ Eliminate Stalling and Rough Idling: Regain the smooth, predictable engine performance you depend on.
- ✔ Correct Poor Fuel Economy: A properly functioning PCM ensures your engine is running at peak efficiency, saving you money at the pump.
- ✔ Resolve Erratic Shifting: Restore crisp, correct transmission behavior for a smoother, safer drive.
- ✔ Clear Persistent Check Engine Lights: Finally turn off that frustrating light by addressing common fault codes like P0601, P0605, or P0606 (Internal Control Module Memory Check Sum Error).
- ✔ Pass Emissions Testing: Ensure all engine parameters are correctly managed to meet state inspection requirements.
- ✔ No Dealer Visit Required: We handle all the programming before we ship, saving you the time, cost, and hassle of a trip to the dealership.
Guided Installation for a Confident Fix
Replacing your 1998 Express 2500 PCM is a manageable job for any DIYer. Follow these simple steps to get your vehicle running right again.
- Safety First: Always disconnect the negative terminal from your vehicle’s battery before beginning any work on the electrical system.
- Locate the Module: On your Express Van, the PCM is typically found in the engine compartment on the driver’s side, often near the battery or firewall.
- Disconnect the Harnesses: Carefully release the locking tabs on the electrical connectors and gently pull them straight out from the module. Never force them. Inspect the connectors for any corrosion or damage.
- Remove the Old Unit: Unbolt the old PCM from its mounting bracket. Keep the hardware, as you’ll need it for the new module.
- Install the New PCM: Mount your new, pre-programmed module in place using the original hardware. Reconnect the electrical harnesses, ensuring they click securely into place.
- Reconnect the Battery: Once everything is secure, reconnect the negative battery terminal.
- Perform Security Relearn (If Needed): In many cases, you’ll need to perform a simple key-cycle security relearn procedure. We include easy-to-follow instructions for this with your order. It takes about 30 minutes and requires no special tools.
A Mechanic’s Note: The Workhorse Reborn
I remember a contractor, Mark, who brought in his ’98 Express 2500. It was his mobile office and tool shed, but it was stalling randomly, making him late for jobs. He was worried about a massive repair bill from the dealer. We identified a faulty PCM. Instead of a complex dealer repair, we ordered one of these VIN-programmed units. An hour after it arrived, we had it installed. The van fired up perfectly. The look of relief on Mark’s face said it all—he had his reliable business partner back without breaking the bank. That’s the power of a straightforward, quality solution.
Guaranteed Compatibility for Your GM Vehicle
This module is a direct replacement for part numbers 09366810, 16250279, and 09355699. It is guaranteed to fit and function correctly on the following models. Please verify your vehicle is on the list below.
- 1999 Cadillac Escalade
- 1998-1999 Chevrolet & GMC C/K 1500, 2500, 3500 Pickups (Gasoline)
- 1998-1999 Chevrolet & GMC Suburban 1500, 2500 (Gasoline)
- 1998-1999 Chevrolet Tahoe & GMC Yukon (Gasoline)
- 1998-1999 Chevrolet Express & GMC Savana 1500, 2500, 3500 Vans (Gasoline)
- 1998-1999 Chevrolet Astro & GMC Safari
- 1998 Chevrolet S10/Blazer & GMC Sonoma/Jimmy (4.3L)
- 1998 Oldsmobile Bravada (4.3L)
- 1998 Isuzu Hombre (4.3L)
- 1998 GMC Envoy
By ordering this pre-programmed 1998 Express 2500 PCM, you’re not just buying a part; you’re investing in a reliable vehicle and the freedom to drive without worry. Place your order, send us your VIN, and let us handle the rest.
Frequently Asked Questions
Do I need to have this module programmed?
No. We handle all the programming for you before shipment. Simply provide us with your vehicle’s VIN after purchase, and we will flash the module with the latest GM-certified software for your specific vehicle. It will arrive ready to install.
What is the security relearn procedure?
This is a simple procedure that syncs the new PCM with your vehicle’s anti-theft system. It typically involves cycling the ignition key on and off in a specific sequence for about 30 minutes. We provide clear, step-by-step instructions with every order. No special tools are required.
Where do I find my VIN?
Your 17-digit Vehicle Identification Number (VIN) can be found on your vehicle’s registration, insurance card, or on a small plate on the driver’s side of the dashboard, visible through the windshield.
What if my original part number isn’t an exact match to 09366810?
This module is compatible with several part numbers, including 16250279 and 09355699. As long as your vehicle model and year are on our compatibility list, this module will work perfectly once programmed to your VIN.
Is this a brand new part?
This is a professionally restored original equipment part. Each unit undergoes a rigorous process to ensure it meets or exceeds OEM specifications for performance and reliability, providing a dependable and cost-effective solution.