Get Your Van Running Right Again
Is your 1998 Chevy Express 1500 suffering from frustrating issues like a persistent check engine light, poor fuel economy, erratic shifting, or even a no-start condition? The problem often lies with a failing Powertrain Control Module (PCM), the computer that serves as your vehicle’s brain. This is your direct-fit, reliable solution. We take the guesswork and expensive dealership programming out of the equation. Simply provide us with your vehicle’s VIN after purchase, and we will flash this module with the latest official GM software updates specific to your van. It arrives at your door, ready for a straightforward installation.
Common Symptoms & Your Direct Solution
A faulty PCM can cause a wide range of problems that can be difficult to diagnose. If you’re experiencing any of the following, a failing computer is a likely culprit:
- Persistent Check Engine Light (CEL)
- Diagnostic Trouble Codes (DTCs) like P0601, P0605, or P0606
- Poor or declining fuel mileage
- Hesitation or stumbling during acceleration
- Harsh or unpredictable transmission shifting
- Failure to pass an emissions test
- The engine cranks but will not start
Replacing your old module with this professionally programmed 1998 Chevy Express 1500 PCM is the most effective way to resolve these issues and restore your vehicle’s original performance and reliability.
Features & Benefits
- โ VIN-Programmed for Your Vehicle: We flash the unit with your specific VIN, ensuring it communicates perfectly with your van’s systems right out of the box. No dealer visit required.
- โ Updated GM Software: Your module is loaded with the newest software from General Motors, correcting factory bugs and optimizing engine and transmission performance.
- โ Plug & Play Installation: Once you perform a simple security relearn procedure (instructions provided), this unit is ready to go. Get back on the road faster.
- โ Guaranteed Compatibility: This module is a direct replacement for part numbers 16250279, 09366810, and 09355699, ensuring a perfect fit and function.
- โ Peace of Mind Guarantee: This unit is backed by our one-year replacement warranty.
An Expert’s Note: We recently helped a contractor whose ’98 Express van was his mobile office. It started running rough and stalling at job sites, costing him time and money. He’d already replaced the plugs and a few sensors with no luck. The issue was a failing PCM. We sent him a pre-programmed 1998 Chevy Express 1500 PCM, he installed it in his driveway that evening, and the van has been running reliably ever since. This isn’t just a part; it’s a solution that gets you back to work with confidence.
Frequently Asked Questions
Is this module truly plug-and-play?
Yes, for the most part. Because we program it to your VIN, it will be ready to communicate with your vehicle’s engine and transmission. However, like any PCM replacement on these GM vehicles, you will need to perform a simple security relearn procedure so it recognizes your keys. This takes about 30 minutes and does not require any special tools.
How do I provide you with my VIN?
After you complete your purchase, simply send us a message with your 17-digit Vehicle Identification Number (VIN). We cannot ship your part until we receive this information, as the programming is essential for the module to function in your vehicle.
What is the security relearn procedure?
It’s a simple process. You’ll turn the key to the ‘ON’ position for 10 minutes, then ‘OFF’ for 10 seconds. You repeat this cycle three times. On the third cycle, the vehicle will start, and the security system will be synced with the new PCM. We include clear, easy-to-follow instructions with every order.
Will this fix my check engine light?
If the check engine light is caused by an internal failure of the original PCM (common codes include P0601, P0605), this replacement unit will solve the problem. It is crucial to ensure your vehicle’s issues have been properly diagnosed, as this module will not fix problems caused by faulty sensors or wiring.
My original part number is 16250279. Will this work?
Absolutely. This 1998 Chevy Express 1500 PCM is a fully compatible replacement for several original equipment part numbers, including 16250279, 09366810, and 09355699. Please check the full fitment list in our description to confirm compatibility with your specific make and model.