Get Your Iconic SSR Back on the Road, Running Stronger Than Ever
There’s nothing more frustrating than when your unique 2004 Chevy SSR starts acting up. Intermittent stalling, a persistent check engine light, or a complete no-start condition can sideline your prized possession. The Powertrain Control Module (PCM) is the master computer of your vehicle, and when it fails, it can cause a cascade of confusing problems. This is the definitive, hassle-free solution to restore your truck’s performance and your peace of mind. This is a direct-fit replacement for part number 12586242 and a wide range of other service numbers.
Common Symptoms & Your Solution
If your SSR is experiencing any of the following issues, a failing PCM is the most likely culprit. This pre-programmed module is designed to be the final fix for these exact problems:
- Check Engine Light (CEL) for internal module failure codes (e.g., P0601, P0606)
- Vehicle refuses to start or stalls unexpectedly
- Rough or erratic engine idle
- Poor fuel economy and decreased engine power
- Harsh or incorrect transmission shifting
- Communication errors with diagnostic scan tools
Stop chasing symptoms and replace the core component. Our 2004 SSR Programmed PCM 12586242 arrives ready for installation, taking the guesswork and expensive dealership programming out of the equation.
Features & Tangible Benefits
- ✔ VIN-Programmed for Your SSR: We flash the computer with your vehicle’s specific VIN and the latest GM-released software updates. This ensures it works perfectly with your engine, transmission, and options right out of the box.
- ✔ True Plug-and-Play Installation: No need for additional, costly programming at a dealership or specialized shop. Simply install the module, and you’re ready to go. A standard security relearn procedure may be required, which you can easily do yourself.
- ✔ Guaranteed Compatibility: This module is the correct replacement for a wide array of service numbers, including YFKD, YFKF, YFKH, YFKJ, YFKX, YFXL, YFXM, YFXN, YFXP, YHTN, 19299226, and 89017738.
- ✔ Restored Factory Performance: By using the latest software, this PCM can resolve issues caused by outdated factory calibrations, often improving fuel efficiency, emissions, and overall engine smoothness.
- ✔ Quality Inspected: Every module is thoroughly inspected to ensure it is ready for dependable, long-term service in your vehicle.
- ✔ This unit is backed by our one-year replacement warranty.
From the Technician’s Bench: The P59 Controller Advantage
The computer in your 2004 SSR is a sophisticated piece of hardware known as the P59 controller. It’s the brain behind not just the 5.3L V8 engine, but also the 4L60-E transmission, gauges, and various other systems. Getting the programming exactly right is critical. A generic or improperly flashed module can lead to persistent transmission issues or instrument cluster problems. By programming this module specifically to your VIN, we ensure all the factory calibrations are perfectly matched, restoring the seamless integration that makes your SSR such a pleasure to drive. This isn’t just a replacement part; it’s a restoration of your vehicle’s core logic.
Frequently Asked Questions
Do I need to do any programming myself?
No. We handle all the programming before the module ships. It will arrive flashed to your vehicle’s VIN with the latest software. In some cases, a simple 10-15 minute key-relearn procedure (security relearn) is needed, which requires no special tools and instructions can be easily found online.
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 the programming is specific to your truck.
Will this fix my check engine light?
If the check engine light is on due to an internal fault with your old PCM (like a P0601 code), this module is the correct fix. However, if the light is on for another reason (e.g., a bad oxygen sensor), you will still need to address that separate issue. This module will resolve all computer-related faults.
What if my part number isn’t an exact match to 12586242?
That’s perfectly fine. This PCM is the correct hardware replacement for all the service numbers listed, including YFXL, YHTN, YFKX, and many others. As long as your vehicle is listed in the compatibility chart, this module will be programmed to function perfectly as the correct replacement.
Is this a brand new part from the dealer?
This is a quality, genuine OEM component that has been meticulously inspected and programmed to meet or exceed original factory specifications. It provides a reliable and cost-effective solution to get your vehicle running properly again.