Is Your Truck or SUV Running Rough?
If your 2004 GM vehicle is experiencing frustrating issues like stalling, erratic shifting, a persistent check engine light, or a complete no-start condition, a failing Powertrain Control Module (PCM) is often the culprit. This vital component is the brain of your vehicle, and when it fails, it can cause a cascade of problems that leave you stranded. Don’t let a faulty computer keep you off the road. This is the reliable, straightforward solution to restore your vehicle’s performance and dependability.
Common Symptoms & Your Solution
A failing engine computer can manifest in numerous ways. You might be dealing with incorrect diagnostic trouble codes (DTCs), communication errors with scan tools, or poor fuel economy. This professionally programmed 12586242 PCM Replacement is the definitive fix for these issues, designed to get your vehicle running smoothly again without the exorbitant cost and hassle of a dealership visit.
- ✔ Plug & Play Installation: This unit arrives pre-programmed to your vehicle’s specific VIN number. This critical step ensures that it communicates perfectly with your engine, transmission, and security systems right out of the box.
- ✔ Updated GM Software: We flash each module with the latest software updates from General Motors. This can resolve underlying factory bugs and often improves performance, fuel efficiency, and transmission shifting.
- ✔ Guaranteed Compatibility: This module is a direct replacement for service numbers 12586242, 19299226, 89017738, and many others listed in our fitment guide, ensuring a perfect match for your vehicle.
- ✔ Restored Performance: By replacing your faulty original unit, you can clear false check engine lights, solve mysterious drivability problems, and restore the smooth, reliable operation you depend on.
- ✔ Peace of Mind: This unit is backed by our one-year replacement warranty.
An Expert’s Note on VIN Programming
As a technician, I’ve seen countless vehicle owners buy a used computer online only to find it won’t work. That’s because on modern vehicles, the PCM is not a one-size-fits-all part. It’s programmed with a unique calibration file for your specific engine, transmission, emissions equipment, and even tire size. More importantly, it’s tied to the vehicle’s anti-theft system (like GM’s Passlock). Our VIN programming service handles all of this for you, making this 12586242 PCM Replacement a true plug-and-play solution and saving you a mandatory, expensive trip to the dealer for programming.
Take control of your repair and get your truck or SUV back to peak condition. This is more than just a part; it’s a complete solution designed for a hassle-free installation and long-term reliability. By providing us with your VIN upon purchase, you ensure you receive a perfectly matched and updated 12586242 PCM Replacement ready to restore your vehicle’s core functions.
Frequently Asked Questions
Do I need to do anything after installation?
In most cases, you will need to perform a simple security relearn procedure to sync the new PCM with your vehicle’s anti-theft system. This typically involves a sequence of key turns and does not require any special tools. We can provide easy-to-follow instructions for this process.
How do I provide my VIN number?
After you complete your purchase, simply reply to your order confirmation email with your 17-digit Vehicle Identification Number (VIN). We cannot ship the module until we receive this information, as programming is essential.
Is this the correct PCM for my vehicle?
Please check that the service number on your current computer matches 12586242 or one of the other compatible numbers listed. Providing your VIN is the best way to guarantee you receive the exact part for your specific model and options.
Will this fix my check engine light?
If the check engine light and associated codes are being caused by a faulty PCM, this part will resolve the issue. However, it’s always recommended to diagnose the vehicle properly to ensure there are no other failing sensors or wiring issues that also need to be addressed.
What happens if I forget to send my VIN?
Our team will reach out to you via email to request the VIN. To avoid delays in shipping your order, please provide it as soon as possible after your purchase. The module cannot be programmed or shipped without it.
