2005-2008 Buick Allure ECM Engine Computer 19260507 Programmed

Restore Your Engine’s Performance!

Get your GM 3.6L vehicle running smoothly again with this VIN-programmed Engine Control Module. It’s a direct-fit solution for stalling, rough idle, and check engine light issues. Provide your VIN at checkout and we’ll ship a ready-to-install computer directly to you.

$362.20

+11.99 USPS Priority Shipping

Availability: Only 1 left in stock



SKU: 590-07145-21 Categories: ,
Guaranteed Safe Checkout

Is Your GM 3.6L Vehicle Running Rough?

The Engine Control Module (ECM), often called the engine computer, is the electronic brain of your vehicle’s powertrain. It meticulously manages critical functions like fuel injection, ignition timing, emissions systems, and transmission shifting to ensure optimal performance, fuel economy, and reliability. When the ECM begins to fail, it can cause a cascade of confusing and frustrating problems, from a simple check engine light to a vehicle that won’t start at all. This is a common issue in vehicles like the Buick Allure, LaCrosse, and Cadillac CTS equipped with the 3.6L V6 engine, often due to years of exposure to engine bay heat and vibrations.

From the Diagnostic Bay
We had a 2007 Cadillac SRX come into the shop with a persistent, random misfire on cylinder 3. The owner had already spent a small fortune replacing the spark plug, ignition coil, and fuel injector, but the problem remained. A compression test was good, and the wiring looked fine. After hours of diagnostics, we hooked up an oscilloscope to the injector control wire at the ECM connector. We found that the ECM’s internal driver for that specific injector was failing intermittently under load. It was a classic case of a component failing inside the computer itself. We installed a VIN-programmed ECM just like this one, and the vehicle ran perfectly. It’s a reminder that sometimes the most complex problems point back to the central controller.

Common Symptoms of a Failing ECM

If your vehicle is experiencing any of the following issues, a faulty engine computer could be the culprit. Look out for these warning signs:

  • ✔ Persistent Check Engine Light (CEL) with codes like P0601, P0606, or other internal processor faults.
  • ✔ Engine stalling or shutting off unexpectedly while driving.
  • ✔ Rough or erratic idling.
  • ✔ A no-start condition where the engine cranks but won’t fire up.
  • ✔ Noticeable decrease in fuel efficiency.
  • ✔ Poor engine performance, hesitation, or misfires.
  • ✔ Inability to communicate with the ECM using a diagnostic scan tool.
  • ✔ Issues with the automatic transmission shifting harshly or at the wrong times.

The Direct-Fit Solution: A Programmed 2005-2008 Buick Allure ECM

Don’t let a faulty computer keep your car off the road. This is a genuine, used OEM Engine Control Module that has been thoroughly tested and is ready for installation. The most critical part of the process is our professional programming service. Before we ship the part, we flash it with the latest GM-certified software updates and program it specifically to your vehicle’s unique Vehicle Identification Number (VIN). This ensures that the ECM communicates flawlessly with the other modules in your car, such as the Body Control Module (BCM) and the anti-theft system (Passlock/VATS), making the installation process as simple as possible.

This module is a direct replacement for service numbers 12581144, 12588472, 12592124, and 19260507. By providing your VIN upon purchase, you receive a part that is tailored to your vehicle’s exact specifications, eliminating the need for expensive dealership programming.

Guaranteed Compatibility

This ECM is a confirmed fit for the following vehicles equipped with the 3.6L V6 engine. Please verify your service number to ensure a perfect match.

  • Buick Allure: 2005, 2006, 2007, 2008 (3.6L)
  • Buick LaCrosse: 2005, 2006, 2007, 2008 (3.6L)
  • Buick Rendezvous: 2004, 2005, 2006 (3.6L)
  • Cadillac CTS: 2004, 2005, 2006, 2007 (Base, 3.6L)
  • Cadillac SRX: 2004, 2005, 2006 (3.6L)

Frequently Asked Questions

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

Yes! Because we program the module to your vehicle’s VIN before shipping, it is ready for installation. In some cases, a simple security relearn procedure may be required, which takes about 30 minutes and does not require any special tools. We can provide instructions for this.

What information do you need from me?

After you complete your purchase, you must provide us with your vehicle’s 17-digit VIN. This is essential for us to load the correct software and operating system for your car’s specific configuration.

Where can I find my VIN?

Your VIN can be found on a metal plate on the driver’s side dashboard (visible through the windshield), on the driver’s side door jamb sticker, or on your vehicle’s registration and insurance documents.

Is this a new part?

No, this is a high-quality, tested, and fully functional used part sourced from a salvaged vehicle. This allows us to offer a reliable, cost-effective solution compared to a new part from a dealership.

What if my original part number is slightly different?

This ECM replaces multiple service numbers, including 12581144, 12588472, 12592124, and 19260507. As long as your vehicle is on the compatibility list, this module will work once programmed to your VIN. If you are unsure, please contact us with your VIN and original part number.

Condition

Refurbished

Year
Genuine OEM

Yes

MPN

19260507

Interchange part number

PartNumber

590

Model

ALLURE

Year

2004

Brand

GM

Manufacturer Part Number

, , ,

Hardware Type

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