Is your GM truck or van suffering from baffling electrical issues, poor running conditions, or a no-start situation?
A failing Powertrain Control Module is often the hidden culprit behind these frustrating problems. It’s the brain of your vehicle, and when it falters, it can cause chaos. This pre-programmed replacement PCM is the definitive, reliable solution to get your workhorse vehicle back on the road and running exactly as it should. We take the guesswork out of the repair by flashing the unit with the latest GM software, specifically matched to your vehicle’s unique VIN before it ever leaves our facility.
Common Symptoms & Your Solution
If you’re experiencing any of the following, a faulty PCM is the likely cause. This module is the direct solution for:
- Persistent Check Engine Light (CEL) with codes like P0601, P0602, P0604, or P0606
- Engine stalling or cutting out intermittently
- Harsh or erratic automatic transmission shifting
- A complete no-start condition where the engine cranks but won’t fire
- Poor fuel economy and loss of power
- Failure to communicate with diagnostic scan tools
Installing this professionally Programmed 16263494 PCM will restore the critical communication between your engine, transmission, and other systems, bringing your vehicle’s performance and reliability back to factory standards.
Features & Benefits
- ✔ Guaranteed Compatibility & Simple Installation: By programming the module to your specific VIN, we eliminate compatibility issues. It arrives ready for a straightforward installation.
- ✔ Restores Original Performance: Loaded with the newest official GM software updates, this module helps restore proper fuel economy, emissions compliance, and engine power.
- ✔ Direct-Fit Replacement: Engineered to be an exact replacement for part number 16263494 and its alternatives. It mounts in the factory location with no modifications needed.
- ✔ Long-Term Reliability: Each module is rigorously tested to ensure it meets or exceeds OEM specifications, giving you peace of mind and eliminating the guesswork of using a junk-yard part.
Expert Insight: The Critical Role of VIN Programming
Many people think you can just swap a computer from another truck. That’s a critical mistake with modern vehicles. Your vehicle’s VIN is linked to its security system (like GM’s Passlock or VATS), transmission type, and specific options. Our VIN-programming service syncs this Programmed 16263494 PCM to your exact vehicle. Without this step, a replacement module would trigger the anti-theft system, resulting in a frustrating no-start condition. We handle this complex step for you, so you receive a part that is truly ready for your vehicle.
Frequently Asked Questions
What information do you need from me after I order?
We only need your 17-digit Vehicle Identification Number (VIN). You can typically find it on the driver’s side of the dashboard (visible through the windshield), on the driver’s side door jamb sticker, or on your vehicle’s registration and insurance documents.
Is this a simple plug-and-play installation?
Yes, for the most part. Because we program the module to your VIN, it eliminates the need for expensive dealer tools. In some GM vehicles, you may need to perform a simple security relearn procedure, which can be done without any special tools and takes about 30 minutes. We can provide instructions for this process.
Will this fix my check engine light?
If your check engine light is on due to an internal fault in your old module (common diagnostic trouble codes include P0601-P0606), then this replacement will resolve the issue. It’s crucial to ensure that the problem isn’t caused by a separate faulty sensor or wiring issue on the vehicle.
Is this the correct part for my vehicle?
This module replaces part number 16263494 and several others like 16265035 and 8162634940. Please check the extensive fitment list on this page. As long as your vehicle is listed and requires one of these part numbers, this is the correct replacement.
What is the difference between a PCM, ECM, and ECU?
The terms are often used interchangeably. ECU (Electronic Control Unit) is a generic term. ECM (Engine Control Module) typically only controls the engine. PCM (Powertrain Control Module), like this unit, is the most accurate term as it controls both the engine and the automatic transmission functions.