2007-2010 Sierra 3500 ECM 6.6L Duramax Engine Control Module 12617102

Restore Your Duramax Power and Reliability!

Get your 2007-2010 GM 6.6L LMM Duramax running like new with this Engine Control Module. It comes fully programmed to your vehicle’s VIN for a simple, plug-and-play installation. Fix check engine lights, stalling, and performance issues today. Provide your VIN after purchase.

$1295.95

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Is Your 6.6L LMM Duramax Running Rough? It Could Be The ECM.

The Engine Control Module (ECM) is the brain of your 2007-2010 GMC Sierra, Chevy Silverado, Express, or Savana van equipped with the 6.6L LMM Duramax diesel engine. It meticulously manages everything from fuel injection timing and turbocharger boost to transmission shift points and emissions systems. When the ECM begins to fail, it can cause a cascade of confusing and frustrating problems, leaving your powerful truck or van feeling unreliable, underpowered, or even completely inoperable. Symptoms can range from a persistent check engine light to intermittent stalling, harsh shifting, or a complete no-start condition.

The Direct-Fit, Programmed Solution for Your Truck

Don’t let a faulty computer sideline your workhorse. This genuine GM Engine Control Module, part number 12617102 (interchangeable with 12609441), is the definitive solution to restore your vehicle’s performance and dependability. We take the guesswork and high dealership costs out of the equation. Before this module ships, our technicians will program it with the latest official GM software updates, specifically calibrated to your vehicle’s unique Vehicle Identification Number (VIN). This ensures a seamless, plug-and-play installation process without the need for an expensive trip to the dealer for programming.

From the Diagnostic Bay

We had a 2008 Silverado 2500 with the LMM Duramax towed in. The customer complained of random stalling and a ‘Reduced Engine Power’ message that would appear without warning, then disappear. We checked everything – fuel pressure was solid, sensors tested good, and wiring harnesses looked pristine. After hours of diagnostics, we hooked up a scope to the injector driver circuits directly at the ECM. We found that the signal to injector #5 would intermittently drop out under load, a classic sign of an internal ECM fault. A new, properly programmed 2007-2010 Sierra 3500 ECM was the fix. The truck ran perfectly, and the customer was back on the road without the fear of a sudden shutdown.

Common Symptoms of a Failing LMM Duramax ECM

  • ✔ Check Engine Light is on with communication-related codes (e.g., U0100) or multiple random codes.
  • ✔ Vehicle enters ‘limp mode’ or ‘Reduced Engine Power’ mode.
  • ✔ Engine cranks but will not start.
  • ✔ Noticeable drop in fuel economy or engine performance.
  • ✔ Harsh or erratic automatic transmission shifting.
  • ✔ Intermittent stalling, stumbling, or rough idling.
  • ✔ Issues with other electronic systems, as the ECM communicates with multiple modules.

Why Choose Our Pre-Programmed ECM?

Replacing the ECM on these trucks isn’t just about swapping a part; it’s about ensuring the software is correct. An improperly programmed module can cause more problems than it solves. We handle the critical programming step for you. By providing your VIN at checkout, you receive a unit that is ready for installation right out of the box. This module will integrate perfectly with your truck’s existing systems, including the anti-theft system (VATS/Passlock), restoring it to its original factory specifications and performance. This is the most efficient and reliable way to get your truck back to work.

Frequently Asked Questions

Is this ECM ready to install when it arrives?

Yes! This is a key benefit of our service. We program the module to the VIN you provide during checkout. This means it’s ready for installation without requiring any additional dealer programming, making it a true plug-and-play solution.

How do I provide my VIN for programming?

After you complete your purchase, you will need to send us your 17-digit Vehicle Identification Number (VIN). You can typically find this on your vehicle’s registration, insurance card, or on the driver’s side dashboard viewable through the windshield.

Will this fix my specific check engine light codes?

This ECM will resolve codes directly related to a faulty module, such as internal processor errors or communication faults. While it can resolve many performance-related codes, it’s crucial to ensure that the underlying cause isn’t a bad sensor or wiring issue. A proper diagnosis is always recommended.

What vehicles does this part fit?

This ECM fits a wide range of 2007-2010 GM trucks and vans with the 6.6L LMM Duramax diesel engine, including the Chevy Silverado 2500/3500, GMC Sierra 2500/3500, and the Express/Savana 2500/3500 vans. Please refer to the detailed fitment list on this page to confirm compatibility.

Do I need to perform any relearn procedures after installation?

In most cases, no extensive relearn procedures are needed because we pre-program the module. However, some vehicles may require a simple security relearn procedure, which can typically be done without special tools and instructions can be easily found online or in your vehicle’s service manual.

Genuine OEM

Yes

Year
Condition

Refurbished

MPN

12617102

Interchange part number

PartNumber

590

Brand

GM

Model

SIERRA 3500

Year

2009

Manufacturer Part Number

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Hardware Type

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