Is Your GM Truck or Van Running Rough? Get It Back in Top Shape.
There’s nothing more frustrating than a reliable workhorse that suddenly won’t cooperate. If your Chevrolet, GMC, or GM vehicle is suffering from a persistent Check Engine Light, erratic shifting, a no-start condition, or has failed an emissions test, a faulty Powertrain Control Module (PCM) is often the culprit. This isn’t just a part; it’s the brain of your vehicle’s engine and transmission. Instead of wrestling with a costly and time-consuming trip to the dealer, get the definitive, ready-to-install solution right here. We provide a high-quality replacement programmed 16263494 pcm, flashed with the latest official GM software specifically for your vehicle’s VIN.
Common Symptoms & Your Solution
A failing engine computer can cause a wide range of confusing issues. If you’re experiencing any of the following, this module is the solution you need:
- Persistent Check Engine Light (CEL) with codes related to sensors, emissions, or internal module failure.
- Vehicle refuses to start or stalls intermittently.
- Poor fuel economy and loss of power.
- Harsh or unpredictable automatic transmission shifting.
- Failure to pass state emissions (smog) inspections.
This module is professionally prepared to be a direct, plug-and-play replacement, taking the guesswork out of the repair and getting you back on the road with confidence.
Features & Benefits
- ✔ VIN-Specific Programming: We flash the module with your vehicle’s exact VIN, ensuring all factory options and parameters are perfectly matched for seamless integration.
- ✔ Latest GM Software Updates: Your module arrives with the newest software updates from General Motors, which can resolve common drivability issues and improve performance over the original programming.
- ✔ Plug & Play Installation: No dealer visit required for programming. Once you receive the part, you can install it and perform a simple security relearn procedure (if required) to get your vehicle running.
- ✔ Restored Performance & Efficiency: A properly functioning PCM ensures your engine and transmission operate exactly as engineered, restoring lost power, smooth shifting, and optimal fuel mileage.
- ✔ Broad Compatibility: This programmed 16263494 pcm is a direct replacement for multiple part numbers and fits a wide range of popular GM trucks and vans from the late 90s and early 2000s.
Expert Insight: The Power of Correct Programming
As a technician, I’ve seen countless issues arise from improperly matched engine computers. On these specific GM Vortec-era trucks and vans, the programming is critical. It doesn’t just tell the engine how to run; it communicates with the anti-theft system (Passlock/VATS), the transmission, and the instrument cluster. Using a generic, non-programmed module from a salvage yard often leads to a no-start condition that can’t be resolved without expensive dealer tools. By getting a programmed 16263494 pcm from us, you’re not just buying a part—you’re buying a guaranteed solution that bypasses the most common and frustrating hurdles of this repair.
Frequently Asked Questions
How do I provide my VIN?
After you complete your purchase, simply send us a message with your vehicle’s 17-digit Vehicle Identification Number (VIN). We cannot ship your part until we receive the VIN, as the programming is specific to your vehicle.
Is this part difficult to install?
Installation is straightforward for anyone with basic mechanical skills. The module is typically located in the engine bay. The process involves disconnecting the battery, unplugging the electrical connectors from the old module, unbolting it, and then installing the new one in the reverse order. Most installations take less than 30 minutes.
Will I need to do anything after installation?
In many cases, you will need to perform a simple “Security Relearn Procedure” to sync the new PCM with your vehicle’s anti-theft system. This procedure does not require special tools and typically involves a sequence of turning the key in the ignition. We can provide instructions for this process.
Is this a new or used part?
This is a quality, tested, and inspected component that has been professionally prepared and programmed for your vehicle. It is guaranteed to restore your vehicle’s function to factory specifications.
How do I know if this part number is correct for my vehicle?
This module replaces several part numbers, including 16263494 and 16265035. Please check the comprehensive fitment list on this page. If you are still unsure, send us your VIN, and we will be happy to verify compatibility for you before you order.