Get Your GM Truck Back to Peak Performance
Is your trusty GM truck or van suddenly running rough, stalling, or refusing to start? A failing Powertrain Control Module (PCM) is often the culprit, causing endless frustration and costly downtime. This genuine OEM engine computer, part number 09355699, is the reliable, straightforward solution to get your vehicle back on the road. We pre-program this module to your vehicle’s specific VIN, ensuring a seamless, plug-and-play installation that restores factory performance and dependability.
Common Symptoms & Your Solution
If you’re experiencing any of the following issues, a faulty PCM is the likely cause. This unit is the definitive fix for problems stemming from the engine computer itself. Stop chasing phantom sensor codes and address the root of the problem with this reliable, Programmed 09355699 PCM.
- Sudden stalling or intermittent shutdowns
- Harsh or erratic automatic transmission shifting
- Complete no-start condition with power to all other systems
- Poor fuel economy and engine performance
- Check Engine Light with communication error codes or false sensor codes (e.g., P0300, P0122, P0420)
- Failure to pass emissions testing
Features & Tangible Benefits
- ✔ VIN-Programmed for Your Vehicle: We flash the unit with the latest GM software updates using your VIN. This means no extra trips to the dealer—it’s ready for a plug-and-play installation right out of the box.
- ✔ Restored Drivability & Performance: A correctly functioning PCM ensures precise fuel delivery, ignition timing, and transmission control, bringing back the smooth, reliable operation you depend on.
- ✔ Proven OEM Reliability: Sourced from a salvaged vehicle, this is a genuine OEM part, not a low-quality aftermarket alternative. It’s built to meet GM’s original, rigorous standards for durability.
- ✔ Cost-Effective Repair Solution: Avoid the high costs and programming fees associated with a brand-new computer from a dealership. This is a smart, effective fix that gets the job done without breaking the bank.
- ✔ Peace of Mind Guarantee: This unit is backed by our one-year replacement warranty.
Expert Insight: The Critical Role of VIN Programming
On these late-90s GM trucks and vans, the PCM is more than just an engine controller; it’s the central nervous system. Correct VIN programming is non-negotiable. It syncs the computer with your vehicle’s specific options, gear ratios, and crucially, the anti-theft system (VATS/Passlock). An incorrectly programmed module can result in a no-start condition or poor transmission performance. By providing us with your VIN, you’re ensuring this Programmed 09355699 PCM integrates perfectly, just like the original, saving you the headache and expense of a dealership visit.
Frequently Asked Questions
What do I need to do after I purchase?
After you complete your purchase, you must send us your vehicle’s 17-digit VIN. We cannot ship your part until we receive this information, as we need it to program the computer specifically for your truck or van.
Is this part truly plug-and-play?
Yes. Because we program the PCM to your VIN before shipping, it will be ready to install without any additional programming. In some rare cases, a Crankshaft Variation Relearn procedure may be needed, which can be done with a capable scan tool.
Will this computer fit other part numbers?
Yes, this PCM with part number 09355699 is a direct replacement for several other service numbers, including 16266645, 16250279, 16258815, and 09366810. Please check the detailed fitment list to confirm compatibility.
Do I need to send my old computer (core) back?
No, a core return is not required for this part. You can keep or dispose of your old module.
What is the warranty on this PCM?
This unit is backed by our one-year replacement warranty, giving you confidence in your repair.