Is Your GM Truck or SUV Acting Up?
Are you dealing with frustrating issues like a persistent check engine light, rough idling, sudden stalling, or a complete no-start condition in your 2004 GM vehicle? These are classic signs of a failing Powertrain Control Module (PCM), the electronic brain of your engine. A faulty PCM can disrupt everything from fuel delivery to transmission shifting, leaving you with an unreliable and unsafe vehicle. This pre-programmed engine computer is the definitive, hassle-free solution to restore your vehicle’s original performance and get you back on the road with confidence.
Common Symptoms & Your Solution
If your vehicle is experiencing any of the following, a failing computer is the likely cause. This module is the direct solution for:
- Erratic engine performance, hesitation, or misfires
- Poor fuel economy
- Transmission shifting problems or harsh shifts
- Vehicle failing to start or stalling unexpectedly
- Check Engine Light (CEL) with communication-related DTCs (e.g., P0601, P0606)
- Other warning lights appearing on the dash
This unit is a direct replacement for service numbers 12586242, 19299226, 89017738, YFKD, YFKF, YFKH, YFKJ, YFKX, YFXL, YFXM, YFXN, YFXP, and YHTN. We make the process simple: after your purchase, provide us with your vehicle’s VIN, and we’ll program the module specifically for your truck or SUV.
Features & Benefits
- ✔ VIN-Programmed for You: Arrives ready to install with no need for expensive dealership programming. This is a true plug-and-play solution.
- ✔ Loaded with Latest Updates: We flash the module with the newest GM software updates to ensure optimal engine performance, fuel efficiency, and emissions control.
- ✔ Guaranteed Compatibility: By using your VIN, we ensure this 2004 GM 5.3L 6.0L PCM 12586242 is a perfect match for your vehicle’s specific options and systems.
- ✔ Restores Original Function: Eliminate frustrating drivability issues and restore the smooth, reliable operation you depend on.
- ✔ This unit is backed by our one-year replacement warranty.
An Expert’s Note on VIN Programming
As a technician, I can’t overstate the importance of correct VIN programming. It’s not just about making the engine run; it’s about ensuring all of your vehicle’s systems communicate flawlessly. The VIN tells the computer about your transmission type, security system (Passlock/VATS), emissions equipment, and even your tire size. Our process of programming this 2004 GM 5.3L 6.0L PCM 12586242 to your specific VIN prevents the compatibility nightmares and frustrating warning lights that often come with using a generic or improperly programmed module.
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 to ensure optimal performance, fuel economy, and emissions. When it fails, it can cause a wide range of serious problems.
Is any additional programming needed after installation?
No. We program the module to your vehicle’s VIN before shipping. In most cases, it is a direct plug-and-play installation. Some vehicles may require a simple security relearn procedure, which takes a few minutes and does not require any special tools. Instructions are available upon request.
How do I provide my VIN?
After you complete your purchase, simply send us a message with your 17-digit Vehicle Identification Number (VIN). We cannot ship your part until we receive this information, as it is essential for the programming process.
How do I know if this part will fit my vehicle?
This 2004 GM 5.3L 6.0L PCM 12586242 fits a wide range of GM trucks and SUVs. The best way to confirm is to match the service number on your current computer to one of the numbers listed (e.g., 12586242, 89017738, YHTN). You can also check the detailed fitment list in the description or contact us with your VIN for confirmation.
What if I have an issue after installation?
We are here to help. If you encounter any problems, please contact us immediately. Our team of experts can help diagnose the issue and provide support. This unit is also backed by our one-year replacement warranty for your peace of mind.