Get Your Workhorse Running Right Again
Is your GMC Savana, Chevy Express, or GM truck plagued by frustrating issues like a persistent check engine light, erratic shifting, or a no-start condition? A failing Powertrain Control Module (PCM) is often the culprit, leaving your reliable vehicle dead in the water. This isn’t just an inconvenience; it’s lost time and money. This replacement 1999-2002 Savana 2500 PCM is the definitive solution to restore your vehicle’s performance and get you back on the job with confidence.
Common Symptoms & Your Solution
A faulty PCM can manifest in numerous ways, often mimicking other component failures. If you’re experiencing any of the following, your vehicle’s computer is likely the root cause:
- Persistent Check Engine Light (CEL) with communication codes (U-codes)
- Engine stalling, sputtering, or refusing to start
- Harsh or unpredictable automatic transmission shifting
- Noticeable drop in fuel economy
- Failure to pass an emissions test
Instead of wrestling with a used module from a junkyard or paying steep dealership prices for programming, our service provides a direct, ready-to-install solution. We take your vehicle’s VIN and flash this module with the latest, most stable software updates directly from GM. This ensures all original bugs are ironed out and the unit is perfectly matched to your vehicle’s specific configuration.
Features & Benefits
- ✔ VIN-Specific Programming: Arrives ready for installation, flashed specifically for your truck or van. No dealer visit required.
- ✔ Latest GM Software Updates: We load the most current software to correct factory flaws and optimize engine and transmission performance.
- ✔ Plug & Play Design: Once you perform the simple security relearn procedure, your vehicle is ready to go.
- ✔ Cost-Effective Solution: Get the reliability of a correctly prepared module without the excessive cost and hassle of dealership service.
- ✔ Restored Drivability: Eliminates the guesswork and resolves common running issues, restoring the smooth operation you depend on.
- ✔ Broad Compatibility: An exact replacement for part numbers 16263494, 16265035, and more, fitting a wide range of GM trucks and vans.
Expert Insight: The Critical Role of Correct Programming
As a technician, I’ve seen countless vehicle owners waste time and money installing un-programmed control modules. A PCM isn’t just a simple component; it’s the brain of your vehicle, managing everything from fuel injection and ignition timing to transmission shift points. Installing a module from another vehicle without proper flashing is like performing a brain transplant with the wrong blood type. It simply won’t work correctly and can even cause new, more confusing problems. Our process of flashing the 1999-2002 Savana 2500 PCM to your specific VIN is the most crucial step, guaranteeing it communicates flawlessly with all other systems in your vehicle from the moment you install it.
Frequently Asked Questions
Do I need to get this module programmed by a dealer?
No. The main benefit of our service is that we program the module to the VIN you provide before we ship it. It arrives ready to be installed in your vehicle.
How do I provide my vehicle’s VIN?
After you complete your purchase, you will need to send us your 17-digit Vehicle Identification Number (VIN). We will then flash the module and ship it to you. Instructions will be provided in your order confirmation email.
Will I need to perform any other procedures after installation?
Yes, you will need to perform a security relearn procedure (also known as a Passlock or anti-theft relearn). This is a simple process that typically involves turning the key on and off in a specific sequence. It does not require any special tools and we can provide instructions.
My original part number is slightly different. Will this still work?
This module is a direct replacement for several part numbers, including 16263494 and 16265035. The crucial factor is the vehicle’s year, make, model, and engine. As long as your vehicle is on the compatibility list, this programmed 1999-2002 Savana 2500 PCM will function correctly.
Can a bad PCM cause my transmission to shift poorly?
Absolutely. The PCM controls both the engine and the transmission. Faulty sensor readings or internal processor failures can lead to harsh shifting, delayed engagement, or getting stuck in one gear. Replacing a failing PCM often resolves these types of transmission issues.