Restore Peak Performance to Your GM Truck or Van
Is your Chevrolet Express, GMC Savana, S10, or other compatible GM vehicle suffering from perplexing issues like stalling, erratic shifting, a persistent Check Engine Light, or a no-start condition? These are classic signs of a failing Powertrain Control Module (PCM), the central computer that manages your engine and transmission. Don’t let a faulty module keep you off the road. This direct-replacement PCM, part number 218-11787 (interchangeable with 16263494), is the reliable, straightforward solution to get your vehicle running smoothly again.
The biggest challenge with replacing a PCM is the required programming, which often means a costly trip to the dealership. We eliminate that step entirely. When you order from us, we use the Vehicle Identification Number (VIN) you provide to flash the module with the latest, most stable software updates directly from GM. This ensures perfect compatibility and optimal performance right out of the box. Your new PCM arrives ready for installation, saving you time, money, and frustration.
From the Diagnostic Bay
We had a 2001 GMC Savana 2500 work van come in that was driving the owner crazy. It would run perfectly for days, then suddenly stall at a stoplight and refuse to restart for 20 minutes. No consistent codes were stored, just a random U-code for lost communication every now and then. We checked grounds, wiring, and sensors, but couldn’t find a definitive fault. On a hunch, we swapped in a known-good, programmed PCM. The problem vanished instantly. The original module had an internal intermittent failure that only showed up when it got hot. Replacing the PCM was the only fix, and this pre-programmed unit is designed to solve those exact kinds of hard-to-diagnose issues.
Common Symptoms of a Failing GM PCM 16263494
If your vehicle is exhibiting any of the following symptoms, a failing PCM could be the culprit. Replacing it with our pre-programmed unit can resolve these issues and restore your vehicle’s reliability.
- ✔ Check Engine Light is on with communication error codes (U-codes) or multiple random sensor codes.
- ✔ Engine stalls intermittently, especially after warming up.
- ✔ Harsh or erratic automatic transmission shifting.
- ✔ Noticeable decrease in fuel economy.
- ✔ The engine cranks but will not start.
- ✔ Rough or unstable idle.
- ✔ Failure to pass an emissions test due to module-related errors.
Plug-and-Play Solution with VIN Programming
This isn’t just a part; it’s a complete solution. The core of our service is the VIN-specific programming. Modern vehicles have complex systems that need to communicate perfectly. By flashing this GM PCM 16263494 with your vehicle’s exact data, we ensure that the engine, transmission, anti-lock brakes, and security systems all work together as the factory intended. This process also installs any available GM software improvements that address common factory bugs or enhance drivability, giving you a module that’s often better than the original.
Installation Note: While this module is delivered programmed to your VIN, your vehicle’s anti-theft system (Passlock/VATS) will require a simple relearn procedure after installation. This procedure can typically be performed without any special scan tools and involves a series of key cycles. Instructions are readily available online for your specific model.
Frequently Asked Questions
Do I need to have this PCM programmed by a dealer?
No. We handle all the programming for you before we ship the part. Simply provide us with your vehicle’s VIN during or after checkout, and it will arrive ready to install.
Where can I find my vehicle’s VIN?
Your 17-digit VIN can be found on your vehicle’s registration, insurance card, or on a placard on the driver’s side of the dashboard visible through the windshield.
What does the PCM actually do?
The Powertrain Control Module (PCM) is the main computer for your vehicle. It controls critical functions like fuel injection timing, ignition timing, transmission shift points, and emissions systems to ensure the engine runs efficiently and powerfully.
Will I need to do anything after installing the module?
Yes, you will need to perform a security relearn procedure (often called a VATS or Passlock relearn). This syncs the new PCM with your vehicle’s anti-theft system and can be done without special tools in about 30 minutes. In some cases, a Crankshaft Variation (CASE) relearn may be needed, which requires a compatible scan tool.
How do I know this is the correct part for my truck?
This module replaces OEM part numbers 16263494, 16265035, and others. Please check the detailed fitment list on this page. The most reliable method is to provide your VIN, and we will guarantee it is programmed correctly for your specific vehicle configuration.