Restore Peak Performance to Your GM Truck or SUV
Is your truck or SUV suffering from frustrating issues like a persistent check engine light, rough idling, stalling, or poor fuel economy? A failing Powertrain Control Module (PCM) is often the culprit, leaving you with an unreliable vehicle. This is the definitive solution to get your vehicle back in top form. This engine computer, service number 12586242, is professionally programmed with the latest GM software updates specifically for your vehicle’s VIN. This critical step ensures that once it arrives, it’s ready for a straightforward installation, restoring the dependable performance you rely on every day.
Common Symptoms of a Failing PCM & Your Direct Solution
If you’re experiencing any of the following, it’s a strong indicator that your engine computer needs replacement. This unit is the reliable fix for issues such as:
- No-start or hard-start conditions
- Erratic or harsh transmission shifting
- A significant drop in fuel efficiency
- Check Engine Light (CEL) with communication-related codes (U-codes)
- False sensor codes from multiple, unrelated sensors
- Engine stalling or misfiring intermittently
Don’t let a faulty module keep your vehicle sidelined. Ordering this pre-programmed 2004 GMC Yukon XL 2500 PCM is the most efficient way to solve these complex electronic problems and get back to driving with confidence.
Features & Benefits
- โ VIN-Specific Programming: We flash the module with your vehicle’s exact VIN, ensuring it communicates perfectly with your existing systems for a true plug-and-play experience.
- โ Latest GM Software: Your computer arrives with the most current factory software updates, which can resolve common drivability issues and optimize performance.
- โ Broad Compatibility: This is a direct replacement for multiple service numbers, including 12586242, 19299226, 89017738, YFKD, YFKF, YFKH, and more, covering a wide range of 2004 GM trucks and SUVs.
- โ Restored Drivability: A properly functioning PCM is the brain of your vehicle, and this replacement will restore crisp engine response, smooth shifting, and correct fuel delivery.
- โ Peace of Mind: This unit is backed by our one-year replacement warranty.
Expert Insight: The Importance of VIN Programming
As a technician with over 20 years of experience, I’ve seen countless vehicle owners waste time and money on used modules from a salvage yard. The problem is that modern GM vehicles use a sophisticated anti-theft system (VATS/Passlock) that is tied directly to the PCM and the vehicle’s VIN. A module from another vehicle simply won’t work without expensive, specialized programming. Our service handles this critical step for you. By programming the 2004 GMC Yukon XL 2500 PCM to your VIN before it ships, we eliminate compatibility issues and ensure your vehicle will start and run correctly after a simple security relearn procedure, getting you back on the road fast.
Frequently Asked Questions
Do I need to do any programming myself?
No. We handle all the primary programming to your vehicle’s VIN before shipping. The only thing you may need to do is a simple security relearn procedure, which takes about 30 minutes and requires only your car key. We provide instructions for this easy process.
Where 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). You can typically find this on your vehicle’s dashboard (visible through the windshield), on the driver’s side door jamb sticker, or on your vehicle’s registration and insurance documents.
Will this fix my check engine light?
If the check engine light is caused by a faulty PCM, this unit is designed to be the solution. However, it’s always best to have your vehicle scanned for Diagnostic Trouble Codes (DTCs) to confirm the PCM is the root cause and not a separate sensor or wiring issue.
Is this a brand new part?
This is a high-quality, tested OEM replacement part that has been verified to meet or exceed original factory specifications, ensuring reliable performance and durability for your vehicle.
What tools are needed for installation?
Installation is typically straightforward, requiring only basic hand tools like a socket set to disconnect the battery and remove the module’s mounting brackets. Always disconnect the battery before beginning work on your vehicle’s electrical system.
Does this fit vehicles other than the Yukon XL 2500?
Yes. This 2004 GMC Yukon XL 2500 PCM, with service number 12586242, also fits a wide range of other 2004 GM models including the Silverado, Sierra, Tahoe, Suburban, Escalade, Hummer H2, and more. Please check the detailed fitment list on this page to confirm compatibility with your specific vehicle.