Is Your Trusty GM Truck or SUV Suddenly Unreliable?
There’s nothing more frustrating than a vehicle you depend on suddenly stalling, running rough, or refusing to start. For many 1998-1999 GM trucks, vans, and SUVs, these perplexing issues often point to one component: a failing Powertrain Control Module (PCM). Instead of spending a fortune at the dealership or guessing with a junkyard part that won’t work, get the definitive solution. This engine computer is the reliable, cost-effective fix to restore your vehicle’s performance and get you back on the road with confidence.
Common Symptoms of a Failing GM PCM & Your Solution
If you’re experiencing any of the following problems, a faulty PCM is the most likely culprit. This unit is the direct solution for issues such as:
- Intermittent or complete no-start conditions
- Engine stalling unexpectedly while driving or at idle
- Poor fuel economy and rough engine performance
- Check Engine Light (CEL) that won’t go away
- Diagnostic Trouble Codes (DTCs) related to internal module failure (e.g., P0601, P0605)
- No communication with your scan tool
This isn’t just a replacement part; it’s a fully programmed solution. We use your vehicle’s VIN to flash this Programmed 16250279 PCM with the latest GM software updates, ensuring it works correctly the first time.
Features & Real-World Benefits
- ✔ VIN-Programmed for Your Vehicle: Arrives ready for installation. This critical step ensures the computer communicates perfectly with your engine, transmission, and other systems, avoiding the need for expensive dealer tools.
- ✔ Genuine OEM Component: Sourced from a salvaged vehicle, this is an original factory part, not a low-quality aftermarket alternative. It guarantees the correct fit, function, and durability your GM vehicle was designed for.
- ✔ Updated GM Software: We flash the module with the newest factory calibrations available for your VIN. This can solve factory bugs and improve engine efficiency and transmission shifting.
- ✔ Cost-Effective Repair: Get a reliable, ready-to-install solution for a fraction of the price of a new computer from a dealership.
- ✔ Peace of Mind Included: This unit is backed by our one-year replacement warranty.
Expert Mechanic’s Insight
As a tech with over 20 years on the floor, I’ve seen countless 90s GM trucks with these exact symptoms. The original PCMs are tough, but after decades of heat cycles and vibration, the internal circuit boards can fail. The biggest mistake I see is people grabbing a random computer from a salvage yard. It will never work correctly without being programmed to the specific VIN. This Programmed 16250279 PCM saves you that massive headache. It’s the same process we’d use in the shop to guarantee a successful repair.
Frequently Asked Questions
How do I provide my Vehicle Identification Number (VIN)?
After you complete your purchase, you will need to send us your 17-digit VIN. We cannot ship your part until we receive this information, as the programming is specific to your vehicle.
Will I need to do anything else after installation?
In many cases, you may need to perform a security relearn procedure, which can typically be done without special tools. Instructions are readily available online for your specific model. On some vehicles, a Crankshaft Variation Relearn (CASE relearn) may be needed with a scan tool to clear a remaining trouble code, but the vehicle will still run and drive without it.
Is this a new computer?
No, this is a tested, genuine OEM computer that has been sourced from a salvaged vehicle. We find that original factory parts often have superior build quality compared to some aftermarket options.
What if my old part number is different from 16250279?
This computer replaces several different original part numbers, including 09355699, 16266645, and others listed in the fitment guide. As long as your vehicle is listed, this Programmed 16250279 PCM will function as the correct replacement once programmed to your VIN.
What does “plug and play” mean?
It means the computer arrives ready to be installed without the need for initial programming at a dealership. Because we’ve already loaded your vehicle’s specific software using your VIN, it’s ready to work once installed and the security relearn is completed.
How does the one-year replacement warranty work?
If the unit fails within one year of the purchase date, we will provide a direct replacement. This coverage provides confidence in your repair.