Programmed 2003 GMC Sierra 3500 PCM 12576106 | Plug & Play ECU

Get Back on the Road with Confidence

Don’t let a faulty computer keep your truck down. This VIN-programmed Powertrain Control Module arrives ready to install, eliminating guesswork and costly dealer visits. Restore the dependable performance you rely on and drive with the peace of mind that your engine is managed correctly. Order now to get back to work fast.

$134.95

+11.99 USPS Priority Shipping

Availability: In stock



SKU: 590-06724-50 Categories: ,
Guaranteed Safe Checkout

Get Your Truck Back to Work, Fast.

When your truck is down, your work stops. A failing Powertrain Control Module can cause a cascade of frustrating issues, from a no-start condition that leaves you stranded to poor performance that costs you time and fuel. This replacement Powertrain Control Module is the definitive solution, engineered to restore the factory performance and reliability you depend on. Specifically for vehicles like your workhorse, this 2003 GMC Sierra 3500 PCM 12576106 arrives pre-programmed to your vehicle’s unique VIN, ensuring it’s ready for a straightforward installation right out of the box.

Common Symptoms of a Failing PCM & Your Solution

If you’re experiencing any of the following issues, a faulty PCM is the likely culprit. This module is designed to be the direct solution to these problems:

  • Engine stalling, stuttering, or misfiring
  • Failure to start or intermittent starting problems
  • Check Engine Light is on with PCM-related codes (e.g., P0600-P0606)
  • Poor fuel economy and reduced engine power
  • Harsh or incorrect automatic transmission shifting
  • Communication errors with diagnostic scan tools

Installing this professionally programmed 2003 GMC Sierra 3500 PCM 12576106 is the most effective way to resolve these issues and get your vehicle operating precisely as the manufacturer intended.

Features & Tangible Benefits

  • ✔ VIN-Programmed for Your Truck: We flash the module with the latest GM software updates using your specific VIN. This means no extra programming or expensive trips to the dealership are required.
  • ✔ Plug & Play Installation: Once you receive the module, the physical installation is straightforward. In most cases, a simple security relearn procedure is all that’s needed to get you back on the road.
  • ✔ Restored Engine & Transmission Performance: Correct programming ensures optimal fuel delivery, ignition timing, and transmission shift points, restoring lost power and efficiency.
  • ✔ Built for Durability: Each unit is meticulously inspected to ensure it meets or exceeds OEM specifications for performance and longevity, ready to handle the demands of a work vehicle.
  • ✔ Guaranteed Performance: This unit is backed by our one-year replacement warranty, giving you confidence in your repair.

Expert Insight: The Critical Role of VIN Programming

Back in 2003, vehicle electronics were already complex. The PCM doesn’t just manage the engine; it communicates with the transmission, the anti-lock brakes, the instrument cluster, and the anti-theft system (GM’s Passlock). Programming the module to your specific VIN isn’t just a suggestion—it’s essential. It ensures the PCM knows exactly what options your truck has, from the engine and transmission type to the axle ratio. This precise calibration is the key to a successful, lasting repair and prevents a host of compatibility issues that can be a nightmare to diagnose.

Frequently Asked Questions

Is this PCM truly plug-and-play?

Yes, this module is delivered programmed to your vehicle’s VIN. The physical installation is a direct swap. However, for your vehicle’s anti-theft system to recognize the new module, you will need to perform a simple security relearn procedure. This typically involves turning the key to the ‘ON’ position for 10-15 minutes, then off, and repeating two more times. No special tools are required.

How do I provide my vehicle’s VIN?

After you complete your purchase, you will need to send us 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. You can usually find the VIN on your driver’s side dashboard (visible through the windshield) or on the driver’s side door jamb sticker.

Will this fix my check engine light?

If the check engine light is caused by an internal failure of the original PCM, then this part will solve the problem. It is crucial to have your vehicle properly diagnosed to confirm the fault lies with the computer. This unit will not fix issues caused by faulty sensors, wiring, or other mechanical components.

My original PCM has a different service number. Will this work?

Yes. This module, part number 12576106, is a direct replacement for a wide range of GM service numbers, including 12581565, 12570557, 89017733, and others listed in the compatibility chart. As long as your vehicle is listed, this module is the correct fit.

What tools are required for installation?

Basic hand tools, such as a socket set, are all that’s typically needed to physically swap the module. The most important step, the VIN programming, is already done for you before we ship it.

Conditions & Options

Programmed to your VIN GM: 12576106

Year

Genuine OEM

Yes

MPN

12576106

Interchange part number

Condition

Refurbished

Model

SIERRA 3500

Year

2003

Brand

GM

Manufacturer Part Number

, , , , , , , , ,

GTIN

Does not apply

Scroll to Top