Restore Peak Performance to Your GM Truck or SUV
Is your 2004 Chevy SSR, Silverado, Tahoe, or other GM vehicle suffering from frustrating and unpredictable issues? A failing Powertrain Control Module (PCM) can cause a cascade of problems, from a persistent check engine light to poor fuel economy, rough idling, or even a no-start condition. This isn’t just an inconvenience; it’s a matter of reliability. Take back control with this professionally programmed engine computer, designed to get your vehicle running like new again.
Common Symptoms & Your Solution
If you’re experiencing any of the following, a faulty PCM is the likely culprit. This unit is the definitive solution for:
- Check Engine Light with codes like P0601, P0602, P0605, or P0606
- Unexplained stalling or hesitation during acceleration
- Poor or erratic automatic transmission shifting
- A significant drop in fuel mileage
- Communication issues with diagnostic scan tools
- The vehicle cranks but refuses to start
This replacement 2004 SSR PCM 12586242 is the answer. It arrives programmed specifically to your vehicle’s unique Vehicle Identification Number (VIN), ensuring it communicates perfectly with all other modules right out of the box.
Features & Benefits
- ✔ Plug & Play Installation: Arrives pre-programmed to your VIN. No expensive trip to the dealership for programming is required.
- ✔ Restored Drivability: Corrects engine and transmission issues, restoring smooth shifting, stable idle, and proper power delivery.
- ✔ Updated Software: Flashed with the latest GM-released software updates to improve performance and efficiency over the original unit.
- ✔ Guaranteed Compatibility: A direct replacement for service numbers 12586242, 19299226, 89017738, YFKD, YFKF, YFKH, and more.
- ✔ Peace of Mind: This unit is backed by our one-year replacement warranty.
An Expert’s Note on Programming
As a technician with over 20 years of experience, I’ve seen countless drivers chase expensive sensor and component replacements, only to find the root cause was the PCM itself. The single most critical step is the programming. A generic, unprogrammed module will not work. We handle this crucial step for you, using your VIN to load the exact factory calibration your truck or SUV requires. This ensures all systems, from the anti-theft (VATS/Passlock) to the transmission, function exactly as the engineers intended, saving you from days of diagnostic headaches.
Don’t let a faulty computer dictate your vehicle’s reliability. This is the most straightforward and effective way to solve complex electronic issues and get your trusted GM vehicle back on the road. By providing us with your VIN upon purchase, you are ensuring a perfect match and a hassle-free repair. This specific 2004 SSR PCM 12586242 is rigorously tested to ensure it meets or exceeds original equipment standards.
Frequently Asked Questions
Do I need to do any programming or flashing myself?
No. This PCM comes fully programmed to the VIN you provide during checkout. It is designed to be a plug-and-play installation, requiring no further programming from a dealer or mechanic.
What if my vehicle has an anti-theft system like VATS or Passlock?
Our programming process correctly configures the PCM to work with your vehicle’s existing security system. In some cases, a simple security relearn procedure, which takes about 30 minutes and requires only your key, may be necessary after installation. We provide clear instructions for this easy process.
How do I find my part number to confirm a match?
Your original PCM will have a sticker on it with the service number. This unit is a direct replacement for part number 12586242 and many other service numbers listed in the description. As long as your vehicle is listed, this module will work when programmed to your VIN.
Is this a difficult part to install?
For most of the listed vehicles, the PCM is located in the engine bay (either under the battery or next to the airbox) and is held in by a few bolts. The installation typically involves disconnecting the battery, unplugging the electrical connectors from the old unit, swapping the modules, and reconnecting everything. It’s a job most DIY mechanics can handle with basic tools.
What information do you need from me?
After you complete your purchase, you will need to provide us with your 17-digit Vehicle Identification Number (VIN). This is essential for us to program the computer correctly for your specific vehicle configuration.