Restore Peak Performance to Your GM Truck or SUV
Is your 2004 Chevrolet Suburban, Silverado, or Tahoe suffering from frustrating and unpredictable issues? A faulty Powertrain Control Module (PCM) is often the culprit behind problems like a persistent check engine light, erratic shifting, stalling, or even a no-start condition. This isn’t just an annoyance; it’s a compromise on the reliability you depend on for work, family, and daily life. This replacement engine computer is the definitive solution to restore your vehicle’s performance and your peace of mind.
Common Symptoms & Your Solution
If you’re experiencing any of the following, a failing PCM is the likely cause:
- Check Engine Light (CEL) with communication codes (U-codes) or various sensor codes.
- Harsh or unpredictable automatic transmission shifting.
- Engine stalling, stumbling, or poor fuel economy.
- Complete no-start or intermittent starting problems.
- Inaccurate instrument panel gauge readings.
This unit is a direct-fit, professionally programmed replacement for your original computer. We flash it with the latest GM-certified software updates using your vehicle’s unique VIN. This ensures that once installed, your 2004 Suburban 1500 PCM communicates flawlessly with all other modules, restoring the smooth, reliable operation you expect from your truck.
Features & Tangible Benefits
- ✔ Plug & Play Installation: Arrives pre-programmed to your exact VIN. No dealership visit required for programming, saving you time and money.
- ✔ Updated GM Software: We load the newest software from General Motors, which can correct factory bugs and improve fuel efficiency and transmission performance.
- ✔ Guaranteed Compatibility: This computer is a direct replacement for service numbers 12586242, 19299226, 89017738, and many others, ensuring a perfect fit for a wide range of GM trucks and SUVs.
- ✔ Solves Drivability Issues: Engineered to resolve the core electrical issues that cause poor engine performance and transmission problems.
- ✔ Protected Performance: This unit is backed by our one-year replacement warranty, giving you confidence in your repair.
Expert Insight: The ‘Brain’ of Your Vehicle
Think of the PCM as the central nervous system of your truck. Located under the hood, it endures constant vibration and extreme temperature swings. Over 15+ years, these conditions can cause internal circuits and solder joints to fail, leading to the bizarre and frustrating symptoms you’re seeing. Simply swapping in a used computer from a junkyard won’t work, as it’s programmed for a different vehicle’s VIN and options. Our service is the solution: we provide a quality-tested computer and professionally program it to be a perfect electronic match for your specific 2004 Suburban 1500 PCM, ensuring a lasting and reliable repair.
Frequently Asked Questions
Do I need to do anything after I install the PCM?
In most cases, you will need to perform a simple security relearn procedure, which can be done without any special tools and typically takes 10-15 minutes. Instructions are readily available online for your specific vehicle. Some vehicles may also require a Crankshaft Variation Relearn (CASE relearn), which requires a capable scan tool.
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 program and ship your part without it. You can find your VIN on your vehicle’s dashboard (visible through the windshield) or on your registration and insurance documents.
Will this fix my specific problem?
This 2004 Suburban 1500 PCM is a direct solution for failures of the module itself. While it corrects a vast majority of electronic and drivability issues, it’s essential to ensure your vehicle’s wiring and sensors are in good condition. Proper diagnosis is always recommended before ordering.
Is this a brand new part?
This is a genuine, quality-inspected OEM component that has been meticulously tested and programmed to function as new. It meets or exceeds all original factory specifications, providing a reliable and cost-effective alternative to a new dealership part.
What if my original part number isn’t on the list?
The provided list (12586242, YFKD, etc.) covers the most common service numbers. If your number is different, please contact us with your VIN. GM often uses many different part numbers for the same computer, and we can verify compatibility for you.