Restore Peak Performance to Your GM Truck or SUV
Is your 2004 GM vehicle suffering from frustrating issues like a persistent check engine light, poor fuel economy, erratic shifting, or a no-start condition? These are common signs of a failing Powertrain Control Module (PCM), the electronic brain of your engine. This replacement Programmed GM 12586242 PCM is the definitive solution to restore your vehicle’s reliability and get you back on the road with confidence.
Common Symptoms of a Failing GM PCM & Your Direct Solution
A faulty PCM can cause a cascade of problems that can be difficult to diagnose. If you’re experiencing any of the following, a failing engine computer is a likely culprit:
- Illuminated Check Engine Light (CEL) with communication-related Diagnostic Trouble Codes (DTCs).
- Unexplained drops in fuel mileage.
- The engine cranks but refuses to start.
- Harsh or unpredictable automatic transmission shifting.
- Stalling, hesitation, or rough idling.
Instead of struggling with a faulty unit, this fully programmed module provides a straightforward, effective repair. We take the guesswork out of the process by flashing the unit with the latest GM software updates, specifically matched to your vehicle using its unique Vehicle Identification Number (VIN). This ensures seamless integration and performance from the moment you install it.
Features & Benefits
- ✔ VIN-Programmed for Your Vehicle: Arrives ready for a plug-and-play installation. No need for expensive trips to the dealership for programming.
- ✔ Loaded with Latest GM Updates: This module is flashed with the most current software from General Motors, often improving upon the original factory programming for better efficiency and performance.
- ✔ Broad Compatibility: A direct replacement for service numbers 12586242, 19299226, 89017738, and many more, ensuring a perfect fit for a wide range of 2004 GM trucks and SUVs.
- ✔ Restores Original Function: Eliminates frustrating drivability issues, restores proper engine operation, and ensures all components are communicating correctly.
- ✔ Cost-Effective Solution: Get your vehicle running right without the high cost and complexity of sourcing and programming a module from a dealer.
- ✔ Peace of Mind: This unit is backed by our one-year replacement warranty.
An Expert’s Note on VIN Programming: We often see customers who tried using a non-programmed computer from a salvage yard, only to find their vehicle still won’t start. This is usually due to the vehicle’s anti-theft system (Passlock/VATS). Our process of programming the Programmed GM 12586242 PCM to your specific VIN ensures it communicates perfectly with your truck’s Body Control Module (BCM) and security system. This critical step saves you from additional headaches, diagnostic fees, and vehicle downtime.
Frequently Asked Questions
Do I need to do any programming myself?
Absolutely not. This module is completely plug-and-play. We handle all the programming before it ships. All you need to do is disconnect your battery, swap the modules, and reconnect the battery.
How do I provide my vehicle’s VIN?
After you complete your purchase, you can add your 17-digit VIN to the order notes or send it to us in a message. We cannot ship your part until we receive the VIN, as the programming is specific to your vehicle.
What if my original part number is different from 12586242?
This module is a direct replacement for all the service numbers listed in the description, including 19299226, 89017738, YFKD, YFKF, and more. As long as the service number on your original computer is on our list, this unit will work perfectly.
What’s the difference between a PCM, ECM, and ECU?
These acronyms are often used interchangeably. PCM (Powertrain Control Module), ECM (Engine Control Module), and ECU (Engine Control Unit) all refer to the same component: your vehicle’s main engine computer. This Programmed GM 12586242 PCM is the central controller for your engine’s operations.
Will this fix my check engine light?
If the check engine light and associated codes are caused by a faulty PCM, this part is the correct solution. However, we always recommend a proper diagnosis by a qualified mechanic to confirm the PCM is the source of the problem before ordering.