2007 GMC Yukon XL 2500 ECM Engine Control Module 12603892

Restore Your Yukon’s Performance Instantly

Get your 2007 Yukon XL 2500 running like new with our VIN-programmed Engine Control Module. This direct-fit ECM arrives with the latest GM software, eliminating dealer programming fees. Simply install and go. Order now to fix stalling, poor mileage, and check engine lights for good.

$134.99

+11.99 USPS Priority Shipping

Availability: In stock



SKU: 590-00399-90 Categories: ,
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Is Your 2007 Yukon XL 2500 Running Rough?

If you’re dealing with frustrating and unpredictable engine problems in your 2007 GMC Yukon XL 2500, a failing Engine Control Module (ECM) is often the culprit. As the central computer, or ‘brain,’ of your vehicle’s powertrain, the ECM is responsible for managing everything from fuel injection and ignition timing to transmission shifting and emissions control. When it starts to fail, it can cause a cascade of issues that are difficult to diagnose and can leave you stranded. Don’t let a faulty computer dictate your truck’s reliability. Restore its peak performance and dependability with our pre-programmed, direct-replacement ECM.

From the Diagnostic Bay

We had a 2007 Suburban come in with a persistent P0171 ‘System Too Lean’ code. The owner had already replaced the MAF sensor, all four O2 sensors, and even the fuel pump based on advice from various forums. The truck still ran poorly and the check engine light always returned. After hooking up our diagnostic scanner, we noticed the short-term fuel trims were erratic and unresponsive. Instead of just throwing more parts at it, we tested the injector driver circuits directly from the ECM connector. We found one circuit had high resistance internally within the module. A new, properly programmed ECM solved the problem instantly. It’s a classic case of symptoms pointing to sensors when the core processing unit is the actual failure.

Common Symptoms of a Failing ECM

A failing engine computer can manifest in numerous ways. If you’re experiencing any of the following, it’s a strong indicator that your ECM may need replacement:

  • ✔ Check Engine Light: An illuminated or flashing Check Engine Light is the most common sign. You may see codes related to sensor circuits, module communication, or processor faults.
  • ✔ Engine Performance Issues: Noticeable loss of power, rough idling, stalling, engine misfires, or hesitation during acceleration.
  • ✔ Poor Fuel Economy: A sudden and unexplained drop in your vehicle’s gas mileage as the ECM fails to manage the air-fuel mixture correctly.
  • ✔ Starting Problems: The vehicle may crank but refuse to start, or it may fail to start intermittently due to the ECM not firing the ignition coils or fuel injectors.
  • ✔ Transmission Shifting Problems: Harsh shifting, getting stuck in gear, or other erratic transmission behavior, as the ECM works with the TCM to control shift points.
  • ✔ No Communication: A diagnostic scan tool may be unable to communicate with the ECM, indicating a total module failure.

The Plug-and-Play Solution: A Pre-Programmed 2007 Yukon XL 2500 ECM

Replacing an ECM isn’t just about swapping the hardware. A new module is essentially a blank slate and will not work until it’s programmed with software specific to your vehicle’s unique Vehicle Identification Number (VIN). Our service completely eliminates this difficult and expensive step. When you order from us, we flash this 2007 Yukon XL 2500 ECM with the latest, most up-to-date software directly from GM. We use your VIN to ensure the programming is a perfect match for your truck’s specific engine, transmission, and factory options.

This means no expensive trips to the dealership, no need for specialized programming tools, and no compatibility headaches. This module, part number 12603892, is a direct replacement for several original part numbers, including 12589297, 12597121, and 19210738, and fits a wide range of GM vehicles from that model year. By providing your VIN, you guarantee that the unit you receive is prepared specifically for your Yukon XL 2500.

Frequently Asked Questions

What exactly does the ECM do on my Yukon?

The Engine Control Module (ECM) is the main computer that controls all aspects of your engine’s operation. It takes data from sensors all over your vehicle (like oxygen sensors, throttle position, and engine speed) and uses it to calculate the precise amount of fuel to inject, when to create a spark, and how to adjust timing for optimal power, efficiency, and emissions.

Is this ECM ready to install right out of the box?

Yes, it is. We program the module with the latest GM software using the VIN you provide during checkout. This makes the unit ready for installation as soon as you receive it, a true plug-and-play solution.

How do I provide my VIN for programming?

After you complete your purchase, you will receive instructions on how to send us your vehicle’s 17-digit VIN. We cannot ship your part until we receive and validate your VIN, as the programming is essential for the part to function.

Will I need to perform any other procedures after installation?

In many cases, you may need to perform a simple security relearn procedure (also known as an anti-theft relearn) to sync the new ECM with your vehicle’s keys. This procedure can typically be done without any special tools and instructions are widely available online. A Crankshaft Variation (CASE) relearn may also be required, which can be done with many high-end scan tools.

How can I be sure this part number fits my vehicle?

This module, 12603892, is the correct fit for the 2007 GMC Yukon XL 2500 and many other GM vehicles listed in the fitment chart. It also directly replaces part numbers 12589297, 12597121, and 19210738. The crucial step is the VIN-specific programming, which ensures it works perfectly with your exact vehicle configuration.

What happens if I install an ECM without the correct programming?

An unprogrammed or incorrectly programmed ECM will not allow the vehicle to start. It will not be able to communicate with the other modules in the vehicle, and the anti-theft system will immobilize the engine. Our VIN programming service prevents this from happening.

Genuine OEM

Yes

Year

Condition

Refurbished

MPN

12603892

Interchange part number

PartNumber

590

Model

Yukon Xl 2500

Year

2007

Brand

GM

Manufacturer Part Number

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