Restore Peak Performance to Your 2004 GM Truck or SUV
Is your 2004 Sierra, Silverado, Tahoe, or other GM vehicle suffering from frustrating and unpredictable issues? Symptoms like a persistent check engine light, rough idling, poor acceleration, or harsh transmission shifts often point directly to a failing Powertrain Control Module (PCM). Don’t let a faulty computer keep your dependable truck or SUV off the road. This precision-programmed 12586242 PCM is the definitive, hassle-free solution to restore your vehicle’s factory performance and your driving confidence.
Common Symptoms & Your Direct-Fit Solution
A failing PCM can cause a wide range of problems that can be difficult to diagnose. If you’re experiencing any of the following, this module is the solution you need:
- Erratic or harsh transmission shifting
- Poor fuel economy
- Engine stalling or a no-start condition
- Loss of power and sluggish acceleration
- Check Engine Light with codes like P0601, P0602, P0606, or other communication errors
We take the guesswork out of the repair. Simply provide us with your vehicle’s VIN during checkout, and our technicians will flash this module with the latest, most stable software updates directly from GM. It arrives at your door ready to install, saving you a costly trip to the dealership for programming.
Features & Tangible Benefits
- โ VIN-Programmed for Your Vehicle: This isn’t a generic, one-size-fits-all part. We program it to your specific vehicle, ensuring it works seamlessly with your engine, transmission, and options for a true plug-and-play installation.
- โ Loaded with the Latest GM Software: Your PCM will be updated with the newest factory calibrations, often improving upon the original software for enhanced performance, fuel efficiency, and emissions control.
- โ The Definitive Engine Solution: As the central computer, this module is critical for managing everything from fuel injection and spark timing to transmission shift points. A new unit restores this crucial communication.
- โ Extensive Compatibility: This 12586242 PCM is a direct replacement for a wide range of popular 2004 GM trucks and SUVs, including the Sierra, Silverado, Suburban, Tahoe, Escalade, Hummer H2, and more.
- โ This unit is backed by our one-year replacement warranty.: Your purchase is protected, giving you complete peace of mind in the quality and reliability of your new engine computer.
An Expert’s Note on PCM Replacement: As a technician, I’ve seen countless owners chase expensive sensor and component replacements when the root cause was the PCM all along. The module’s internal processors and circuits degrade over time from heat and vibration. Replacing a faulty PCM with a correctly programmed unit like this one is often the most direct path to fixing a host of complex electronic issues and making your truck feel new again. Itโs the foundation of a reliable repair.
Frequently Asked Questions
Do I need to program this PCM after I receive it?
No. This module is fully programmed to your vehicle’s VIN before it ships. In most cases, it is a plug-and-play installation, though some vehicles may require a simple security relearn procedure that can be done without special tools.
How do I provide my vehicle’s VIN?
You can add your 17-digit Vehicle Identification Number (VIN) to the notes section during the checkout process. If you forget, we will contact you via email after your purchase to retrieve it before we program and ship the unit.
My original PCM has a different service number. Will this work?
Yes, this 12586242 PCM is the correct replacement for multiple service numbers, including YFKD, YFKF, YFKJ, YFXL, YHTN, and others listed in the compatibility chart. As long as your vehicle is on the list, this module is the correct fit.
Will this fix my check engine light?
If the check engine light and associated trouble codes are being caused by a faulty PCM, this part will resolve the issue. However, it’s essential to ensure your vehicle has been properly diagnosed, as other failing sensors or components can cause similar symptoms.
What tools are required for installation?
Installation typically requires only basic hand tools, such as a socket set, to disconnect the battery and remove the mounting brackets and electrical connectors. The process is straightforward for most DIY mechanics.