Programmed 12589297 ECM | 2008 Pontiac G8 & GM Engine Control Module

Drive with Confidence Again

End the frustration of a faulty engine computer. This programmed 12589297 ECM is your key to restoring your vehicle’s smooth performance and reliability. We handle the complex programming for you, delivering a part that’s ready to install right out of the box. Get back on the road with peace of mind.

$134.99

+11.99 USPS Priority Shipping

Availability: In stock



SKU: 590-00399-11 Categories: ,
Guaranteed Safe Checkout

Get Back on the Road with a Reliable, Ready-to-Install ECM

Is your Pontiac G8, Silverado, or Tahoe running rough, stalling unexpectedly, or refusing to start at all? A failing Engine Control Module (ECM) can bring your entire vehicle to a halt, causing immense frustration and diagnostic headaches. Stop guessing and replace the faulty brain of your engine with this professionally prepared ECM, a direct replacement for part number 12589297. We take the complexity out of the repair by pre-programming the module to your vehicle’s specific Vehicle Identification Number (VIN), ensuring a seamless installation process and restoring the performance and reliability you depend on.

Common Symptoms & Your Definitive Solution

A failing ECM can manifest in a variety of ways, often mimicking other sensor or component failures. If you’re experiencing any of the following, a faulty module is a likely culprit:

  • Severe performance issues like rough idling, engine misfires, or poor acceleration.
  • Intermittent or complete no-start conditions where the engine cranks but won’t fire.
  • Unexplained Check Engine Light illumination with communication error codes (e.g., U0100) or internal processor fault codes (e.g., P0601, P0606).
  • Erratic transmission shifting or other module communication problems.
  • Reduced fuel economy and a general lack of power.

This programmed 12589297 ECM is the definitive solution, arriving loaded with the latest GM software updates and tailored specifically to your vehicle’s factory settings. It eliminates the need for expensive dealership programming or specialized tools, getting you back behind the wheel faster.

Features & Tangible Benefits

  • โœ” VIN-Specific Programming: We flash the module with your vehicle’s unique VIN, ensuring 100% compatibility with its existing systems and options. No extra programming is required.
  • โœ” Plug-and-Play Installation: Simply disconnect your old module and connect this one. For most vehicles, the repair is straightforward, saving you time and labor costs.
  • โœ” Latest GM Software: Your ECM comes loaded with the most recent factory software updates from General Motors, which can resolve underlying drivability issues you may not have known existed.
  • โœ” Cost-Effective Solution: Avoid the high costs and scheduling delays of a dealership service department. This is a direct, affordable, and efficient path to a reliable repair.
  • โœ” Broad Compatibility: This module is a direct replacement for part numbers 12589297, 12597121, 12603892, and 19210738, fitting a wide range of GM cars, trucks, and SUVs.
  • โœ” Guaranteed Protection: This unit is backed by our one-year replacement warranty.

An Expert’s Note on ECM Replacement: As a technician with over 20 years of experience, I’ve seen countless drivers chase expensive sensor and wiring repairs when the root cause was the ECM itself. The challenge with a used module from a salvage yard is that it’s a complete unknownโ€”it carries the wrong VIN, might have its own hidden faults, and will almost certainly require dealer programming. Our process eliminates that gamble. By providing a clean, tested, and correctly programmed 12589297 ECM, we give you the confidence that you’re installing a known-good component that is truly ready for your vehicle.

Frequently Asked Questions

How does the programming process work?

It’s simple. After you complete your purchase, you will need to send us your vehicle’s 17-digit VIN. Our technicians use this number to access the correct GM factory software and flash the module specifically for your car or truck’s configuration before we ship it to you.

Why do you need my VIN?

The VIN is like your vehicle’s fingerprint. It tells the ECM everything it needs to know, from the engine and transmission type to the security system and emissions equipment. Programming with your VIN ensures all components communicate and function correctly, just as they did from the factory.

Is any additional programming needed after installation?

In most cases, no. This module is designed to be a plug-and-play solution. However, some vehicles may require a security relearn procedure (often called a CASE relearn or anti-theft relearn), which can typically be done without special tools. Instructions for this simple procedure are widely available online for your specific model.

How can I be sure this part fits my vehicle?

Please check the extensive fitment list provided on this page and, most importantly, match the part number (12589297 or one of the alternates) to your original module. Providing your VIN for programming is the final step that guarantees perfect electronic compatibility.

What if I install it and still have problems?

While this programmed 12589297 ECM resolves the vast majority of related issues, it’s important to ensure the root cause of the original failure (like a shorted wire or faulty sensor) has been addressed. Our knowledgeable support team is here to help, and your purchase is protected by a one-year replacement warranty.

Genuine OEM

Yes

Year

Condition

Refurbished

MPN

12589297

Interchange part number

PartNumber

590

Model

G8

Year

2008

Brand

GM

Manufacturer Part Number

, , ,

Scroll to Top