Is Your GM Vehicle Running Rough? Get Back on the Road with Confidence.
There’s nothing more frustrating than a dependable truck or van that suddenly starts acting up. Whether you’re dealing with stalling at intersections, poor fuel mileage, harsh shifting, or a check engine light that won’t go away, the problem often points to a failing Powertrain Control Module (PCM). This isn’t just an inconvenience; it’s a problem that can sideline your work vehicle or family hauler. This replacement 16263494 PCM is the reliable, straightforward solution to get your vehicle running like new again.
Common Symptoms & Your Solution
If you’re experiencing any of the issues below, a faulty PCM is the likely culprit. This pre-programmed module is designed to be the definitive fix, eliminating guesswork and costly diagnostic time.
- Erratic engine performance, stumbling, or misfires
- Failure to start or intermittent starting problems
- Poor fuel economy
- Harsh or incorrect automatic transmission shifting
- Check Engine Light (CEL) with communication-related codes (e.g., P0601, P0605)
- Failing a state emissions test
Features & Benefits: The Right Part, Programmed Correctly
- ✔ VIN-Specific Programming: We flash this module with the latest official GM software updates using your vehicle’s unique VIN. This ensures perfect communication between components and optimal performance, tailored specifically for your truck or van.
- ✔ Restore Peak Performance: A correctly functioning PCM restores the precise fuel delivery, ignition timing, and transmission control that your vehicle had when it left the factory.
- ✔ Direct-Fit Replacement: This unit is built to original specifications, guaranteeing a perfect fit and hassle-free installation with the factory connectors and mounting points.
- ✔ Plug-and-Play Solution: By programming the module before we ship, we eliminate the need for an expensive trip to the dealership. In most cases, a simple security relearn procedure is all that’s needed after installation.
- ✔ Wide Compatibility: This 16263494 PCM is the correct replacement for a huge range of hardworking GM vehicles, including Silverado, Sierra, Express, Savana, Tahoe, and Yukon models.
Expert Insight: Why Pre-Programming is Non-Negotiable
As a technician with 20 years on the shop floor, I’ve seen countless people try to save a few dollars by buying a used computer from a junkyard. It almost never works. A PCM from another vehicle is like a key for a different house—it simply won’t operate your vehicle’s systems. It contains the wrong VIN, immobilizer data, and operating parameters for the engine and transmission. Our service takes that critical, complex step and handles it for you. We ensure the brain of your engine is a perfect match, saving you from a world of diagnostic headaches and a vehicle that still won’t run.
Don’t let a faulty computer keep you off the road. This is the most reliable and efficient way to solve your vehicle’s electronic issues. Simply provide your VIN at checkout, and we’ll send you a fully programmed 16263494 PCM that’s ready to get your GM truck or van back to work.
Frequently Asked Questions
What exactly does the PCM do?
The Powertrain Control Module (PCM), often called the Engine Control Module (ECM), is the central computer of your vehicle. It controls critical functions like fuel injection, spark timing, transmission shifting, and emissions systems to ensure the engine runs efficiently and reliably.
Do I need to do anything after I install this PCM?
Because this module is programmed to your VIN, the complex part is done. However, you will likely need to perform a simple security relearn procedure, also known as a VATS relearn. This can typically be done without special tools and involves a sequence of key turns. Instructions are readily available online for your specific model.
How do I provide my Vehicle Identification Number (VIN)?
After you complete your purchase, you will need to send us your 17-digit VIN. You can typically add it as a note during checkout or reply to your order confirmation email. We cannot program and ship the module without it.
What happens if I install a module that isn’t programmed?
An unprogrammed or incorrectly programmed PCM will, at best, cause the vehicle to run very poorly. In most cases, the vehicle will not start at all due to the anti-theft system (VATS) not recognizing the new module. Our pre-programming service prevents this entire problem.
Is this the correct part for my vehicle?
This module replaces part number 16263494 and several other compatible part numbers listed in the description. Please check the comprehensive fitment list on this page or match the part number from your original module to ensure compatibility.