Is your work truck or van suddenly unreliable? Stalling, running rough, or refusing to start can mean a failing Powertrain Control Module (PCM), the electronic brain of your vehicle. A dead truck means lost time and lost money. This direct-fit replacement 1999-2002 GMC Savana 3500 PCM is your solution to get back on the road and back to the job site fast. We take the guesswork and hassle out of the repair by programming the module to your vehicle’s specific VIN before it ships. This ensures it’s ready for installation right out of the box, restoring the dependable performance you count on every day.
Common Failure Symptoms & Your Direct-Fit Solution
A faulty PCM can cause a host of confusing and frustrating issues. If your truck is experiencing any of the following, a failing engine computer is a likely culprit:
- Engine stalling or misfiring unpredictably
- Harsh or erratic automatic transmission shifting
- Complete no-start condition with power to all other systems
- Check Engine Light with communication error codes (like P0601 or P0606)
- Poor fuel economy and a noticeable loss of power
- Inaccurate readings from gauges on the instrument cluster
This replacement PCM is engineered to be the definitive solution to these problems, restoring communication between your vehicle’s critical systems and getting it running smoothly again.
Features & Benefits
- âś” VIN-Programmed for Your Vehicle: We flash the module with the latest GM software using your VIN. This eliminates the need for expensive dealer programming and ensures a simple, plug-and-play installation.
- âś” Restores Peak Performance: By correcting engine and transmission parameters, this module helps restore lost power, smooth out idling and shifting, and improve fuel efficiency.
- âś” Direct OEM-Spec Fitment: Designed to be an exact match for the original unit, guaranteeing all connectors and mounting points line up perfectly for a hassle-free swap.
- âś” Rigorously Tested for Reliability: Each module undergoes comprehensive testing to ensure it meets or exceeds original equipment standards for durability and function, giving you long-term peace of mind.
Expert Insight: The Cost of Downtime
As a technician, I’ve seen it countless times: a contractor’s van sits idle for days, waiting on a diagnosis or a trip to the dealer for programming. That’s not just a repair bill; it’s lost jobs and a damaged reputation. This pre-programmed 1999-2002 GMC Savana 3500 PCM is about more than just fixing a part—it’s about minimizing that downtime. By shipping a unit that’s ready to install, we help you turn a week-long headache into an afternoon project, getting your most important tool back in service where it belongs.
Don’t let a faulty computer sideline your vehicle. This is the straightforward, reliable way to restore your truck’s core functions. By providing us with your VIN at checkout, you ensure you receive a perfectly matched and updated module for your specific 1999-2002 GMC Savana 3500 PCM requirements. Get your dependable workhorse back on the road and running strong.
Frequently Asked Questions
What is a PCM and what does it do?
The Powertrain Control Module (PCM) is your vehicle’s main computer. It controls all aspects of the engine and transmission, including fuel injection, spark timing, and shift points, to ensure optimal performance, efficiency, and emissions.
Does this module require any additional programming?
No. This module is programmed to your vehicle’s specific VIN before we ship it. In most cases, it is a direct installation. Some vehicles may require a security relearn procedure, which is a simple process that can be done without special tools.
What happens after I place my order?
After you complete your purchase, you will need to provide us with your vehicle’s 17-digit VIN. Our technicians will use this to program the PCM with the correct, updated software from GM. The module is then tested and shipped directly to you.
Is this part difficult to install?
Installation is straightforward for someone with basic mechanical skills. It typically involves disconnecting the battery, unplugging the electrical connectors from the old PCM, unbolting it, and then installing the new one in reverse order. It’s a common DIY repair.
How do I know if the PCM is really the problem?
While the symptoms listed are strong indicators, a definitive diagnosis from a qualified mechanic using a professional scan tool is the best way to be certain. Common PCM-specific diagnostic trouble codes (DTCs) include P0600 through P0606.
Will this fit other GM trucks and vans from this era?
Yes, this module is compatible with a wide range of GM vehicles from approximately 1998-2002 that use part number 16263494 or its alternatives. Please check the detailed fitment list on this page to confirm compatibility with your specific make, model, and year.