Get Your Truck Back on the Road, Fast.
Is your truck or SUV suffering from a persistent check engine light, rough idling, stalling, or a frustrating no-start condition? These are classic signs of a failing Powertrain Control Module (PCM), the electronic brain of your vehicle. Don’t let complex computer issues keep you sidelined. This direct-fit PCM is the straightforward, reliable solution to restore your vehicle’s performance and get you back behind the wheel with confidence.
Common Symptoms & Your Solution
A faulty PCM can cause a wide range of confusing and intermittent problems. If you’re experiencing any of the following, this module is your definitive fix:
- Erratic engine performance, including misfires and poor fuel economy
- Failure to pass emissions testing
- Harsh or incorrect shifting from the automatic transmission
- Diagnostic Trouble Codes (DTCs) such as P0601, P0602, P0606, or other communication errors
- The vehicle won’t start, even with a good battery and starter
Instead of paying for expensive dealership diagnostics and programming, we provide a simple, plug-and-play solution. This is not just a generic part; it is a specifically prepared 2003-2006 GMC Yukon PCM that we program to your vehicle’s unique Vehicle Identification Number (VIN) before it ever leaves our facility. This ensures perfect communication with all of your vehicle’s systems right out of the box.
Features & Tangible Benefits
- ✔ VIN-Programmed for You: We flash the module with the latest GM software updates using your specific VIN. This means no extra trips to the dealer for programming—saving you time and hundreds of dollars.
- ✔ Plug-and-Play Installation: Once you receive the part, installation is as simple as disconnecting the battery, swapping the modules, and reconnecting the battery. In most cases, you’ll be back on the road in under an hour.
- ✔ Restored Drivability: By replacing your failing computer, you’ll restore crisp shifting, smooth engine operation, and original factory performance.
- ✔ Guaranteed Compatibility: This module is a direct replacement for service numbers 89017750, 12582605, 12589463, 12602802, 89017734, and 28042802, ensuring a perfect fit for a wide range of GM trucks and SUVs.
- ✔ Peace of Mind Included: This unit is backed by our one-year replacement warranty. Drive with the confidence that your vehicle’s core electronic system is solid.
Expert Insight: The Critical Role of VIN Programming
Why is VIN-specific programming so important? Your vehicle’s computer manages everything from the fuel injectors and spark plugs to the transmission shift points and anti-lock brakes. A generic, unprogrammed module doesn’t know your vehicle’s specific configuration—like its gear ratio, tire size, or optional equipment. Our process ensures this 2003-2006 GMC Yukon PCM is an exact electronic clone of your original, but with the benefit of the latest software updates from GM. This prevents compatibility issues, warning lights, and performance problems that are common with non-programmed units.
Frequently Asked Questions
How do I provide my VIN number?
After you complete your purchase, simply reply to your order confirmation email with your 17-digit Vehicle Identification Number (VIN). We cannot ship your part until we receive this information.
Is any additional programming required after installation?
In over 99% of vehicles, no further action is needed. This is a plug-and-play part. However, a small number of vehicles may require a security relearn procedure (often called CASE relearn), which can be performed with a capable scan tool or by following a simple key-cycle procedure found in your owner’s manual.
Is this a new or used part?
This is a high-quality, tested, and guaranteed functional component that has been expertly programmed to meet or exceed original factory specifications.
What if my original part number isn’t an exact match?
No problem. As long as your vehicle’s year, make, and model are on the compatibility list, this module will work. The service numbers listed (like 12582605, 12602802, etc.) are all interchangeable once programmed for your specific VIN.
Where is the PCM located on my vehicle?
On most compatible models like the Silverado, Sierra, Tahoe, and Yukon, the PCM is located in the engine bay on the driver’s side, under or next to the battery and mounted to the core support. Always disconnect the battery before attempting removal or installation of your 2003-2006 GMC Yukon PCM.