Restore Your Truck’s Core Performance and Reliability
Is your truck or SUV running rough, shifting erratically, or plagued by a persistent check engine light? A failing Powertrain Control Module (PCM) is often the culprit, causing endless frustration and leaving you with an unreliable vehicle. This direct-fit replacement PCM is the definitive solution to restore your vehicle’s original performance and get you back on the road with confidence. It arrives pre-programmed to your vehicle’s specific VIN, eliminating the need for an expensive trip to the dealership.
Common Symptoms & Your Solution
If you’re experiencing any of the following issues, a faulty engine computer is the likely cause. This module is designed to fix them:
- Poor or erratic automatic transmission shifting
- Random engine stalling or misfires
- Check Engine Light (CEL) with codes like P0601, P0602, or P0606
- Reduced fuel economy
- No-start or hard-start conditions
- Communication issues with diagnostic scan tools
Installing this professionally programmed 2004 Yukon XL 1500 PCM resolves these issues by restoring the critical link between your vehicle’s engine, transmission, and sensors, ensuring everything operates exactly as the manufacturer intended.
Features & Tangible Benefits
- ✔ Plug & Drive Installation: This unit is professionally programmed to your vehicle’s VIN before shipping. No additional programming is required.
- ✔ Latest GM Software: We flash your module with the newest updates from GM, ensuring optimal fuel efficiency, emissions, and performance.
- ✔ Guaranteed Compatibility: This PCM is a direct replacement for service numbers 12586242, 19299226, 89017738, and many others, ensuring a perfect fit for your 2004 GM truck or SUV.
- ✔ Cost-Effective Repair: Avoid the high costs and scheduling hassles of a dealership service department with a solution you can install yourself.
- ✔ Complete Solution: By solving the root electronic cause, you can prevent further damage to expensive components like the transmission or catalytic converters.
- ✔ Peace of Mind: This unit is backed by our one-year replacement warranty.
Expert Insight: The Importance of VIN Programming
From over 20 years of experience, I can tell you that improper programming is the #1 reason for a failed computer swap. Many people buy a used module thinking it’s a simple exchange, only to find their vehicle won’t start due to the anti-theft system (like GM’s Passlock/Passkey). Our process of programming the module to your specific VIN before it leaves our facility eliminates this entire headache. It ensures the module communicates seamlessly with all other systems in your vehicle, just like the original, making the installation process smooth and successful for both DIYers and professional technicians.
This is the ideal, reliable computer for your hardworking truck or family SUV. Whether you own a GMC, Chevrolet, Cadillac, or Hummer, this module will restore the dependable performance you rely on every day. Don’t let a faulty computer keep you off the road; get the right part, programmed correctly, for your specific vehicle. This 2004 Yukon XL 1500 PCM is your path to a lasting repair.
Frequently Asked Questions
What information do you need from me after I order?
After you complete your purchase, you must provide us with your vehicle’s 17-digit Vehicle Identification Number (VIN). We use this to program the module with the correct software and calibrations for your specific truck or SUV.
Is this module difficult to install?
For most 2004 GM trucks and SUVs, the PCM is located in the engine bay (often under the battery or next to the airbox) and is held in by a few bolts and electrical connectors. The physical replacement is straightforward for someone with basic mechanical skills. Since it comes pre-programmed, no special tools are needed for software setup.
Will I need to perform any other procedures after installation?
In some cases, you may need to perform a security relearn procedure to sync the new PCM with your vehicle’s anti-theft system. This is a simple process that typically involves turning the key in the ignition in a specific sequence and does not require any special tools. We can provide instructions for this procedure.
How can I be sure this fits my vehicle?
This PCM, part number 12586242, fits a wide range of 2004 GM vehicles. Please review the detailed fitment list in the description. The most important step is providing your VIN, which allows us to confirm compatibility and program the unit perfectly for your vehicle’s options.
What does ‘flashed with the newest updates’ mean?
Over the life of a vehicle, manufacturers like GM release software updates to improve things like transmission shifting, fuel economy, and idle stability. We ensure your replacement 2004 Yukon XL 1500 PCM is loaded with the very latest software available for your VIN, often resulting in better-than-original performance.