Is your 2004 GMC Yukon XL 2500 running rough, struggling with shifting, or displaying a persistent check engine light? A failing Powertrain Control Module (PCM) is often the root cause of these frustrating issues, leaving you with an unreliable vehicle. This professionally programmed engine computer is the definitive, hassle-free solution to restore your truck’s original performance and get you back on the road with total confidence.
Common Symptoms & Your Solution
If you’re experiencing any of the following, a faulty PCM is the likely culprit. This module is the direct fix for issues such as:
- Severe drop in fuel economy
- Rough or erratic engine idle
- Hard or delayed transmission shifting
- Complete no-start or intermittent starting condition
- Check Engine Light with codes like P0601, P0602, P0606, or other communication errors
- Unexplained electrical issues or sensor faults
Instead of chasing down individual sensors and wasting money on incorrect diagnoses, address the core problem with a reliable 2004 Yukon XL 2500 PCM replacement. We take the guesswork out of the repair by pre-programming the unit specifically for your vehicle.
Features & Benefits
- โ VIN-Programmed for Your Truck: We flash this module with the latest official GM software using your vehicle’s specific VIN. This ensures perfect compatibility and function right out of the box.
- โ Restores Peak Performance: Eliminates issues caused by a failing computer, such as poor fuel mileage, erratic shifting, and rough idling, bringing back the smooth, dependable power you rely on.
- โ Simple, Direct-Fit Installation: Designed to be a direct replacement for the original unit, this PCM requires no complex on-vehicle programming. Just install it, perform a quick security relearn, and you’re ready to drive.
- โ Rigorously Inspected: Each computer is thoroughly inspected and tested to ensure it meets or exceeds original equipment standards for long-term reliability and durability.
- โ Complete Compatibility: This unit is a direct replacement for service numbers 12586242, 19299226, 89017738, and many others, ensuring a perfect match for a wide range of GM trucks and SUVs.
- โ One-Year Protection: This unit is backed by our one-year replacement warranty, giving you peace of mind with your purchase.
A Technician’s Insight: As a mechanic with over 20 years on the floor, I’ve seen countless GMT800 trucks like your Yukon XL sidelined by a failing PCM. The biggest mistake owners make is spending hundreds on sensors and plugs when the brain is the real problem. Intermittent electrical gremlins or a dashboard lit up with unrelated codes are classic signs. This pre-programmed 2004 Yukon XL 2500 PCM replacement isn’t just a part; it’s a diagnostic shortcut and a solid fix that saves you time, money, and headaches.
Frequently Asked Questions
Do I need to do any programming myself?
No. We program the computer to your vehicle’s VIN before shipping. The only thing you may need to do is a simple security relearn procedure, which can be done without any special tools and typically takes about 30 minutes. We include instructions for this process.
Where is the PCM located on my 2004 Yukon XL 2500?
On most full-size GM trucks and SUVs from this year, including the Yukon XL, the PCM is located in the engine bay on the driver’s side, under the battery tray or near the fender.
What is the ‘CASE Relearn’ and will I need to do it?
A CASE (Crankshaft Angle Sensor Error) Relearn synchronizes the new PCM with your engine’s crankshaft position sensor. While the vehicle will run without it, completing this procedure with a capable scan tool is recommended to prevent a potential check engine light and ensure optimal performance.
How do I provide my VIN?
After you place your order, simply send us a message with your 17-digit Vehicle Identification Number (VIN). We cannot ship your part until we receive this information, as the programming is specific to your vehicle.
Is this a brand new part?
This is a quality, tested original equipment part that has been programmed with the latest software for your vehicle, ensuring reliable performance and a perfect fit. Choosing a genuine, tested unit is critical for the complex electronics in your vehicle.
What if my part number isn’t an exact match to 12586242?
No problem. This module is a direct replacement for a wide range of service numbers, including 19299226, 89017738, YFKD, YFKF, YFKH, YFKJ, YFKX, YFXL, YFXM, YFXN, YFXP, and YHTN. As long as we have your VIN, we will ensure it is programmed correctly for your specific vehicle. This is the correct 2004 Yukon XL 2500 PCM replacement for your needs.