Restore Peak Performance to Your Duramax Diesel
Is your 2006-2007 GMC Sierra or Chevy Silverado suffering from mysterious engine problems? A faulty Engine Control Module (ECM) is often the hidden culprit behind issues like poor performance, rough idling, no-start conditions, and persistent check engine lights. The ECM is the central computer of your Duramax diesel engine, meticulously managing everything from fuel injection and turbo boost to transmission shifting and emissions controls. When it fails, the entire powertrain is compromised. This replacement ECM, part number 19260753, is the definitive solution to get your truck back to running with the power and reliability you depend on.
From the Diagnostic Bay
We had a 2006 Silverado 2500 towed in that was a classic “parts cannon” case. The owner, a contractor who relied on his truck daily, had replaced injectors, the fuel pressure regulator, and even the FICM, chasing a persistent rough idle and intermittent stalling issue. The codes were all over the place. After hooking up our diagnostic tools, we noticed erratic data streams from several key sensors, but the sensors themselves tested fine. This pointed us straight to the central processing unit – the ECM. Once we installed a VIN-programmed ECM, the truck fired up instantly and idled perfectly. It was a textbook example of how a failing ECM can mimic a dozen other problems, costing the owner thousands in unnecessary parts and downtime.
Common Symptoms of a Failing Duramax ECM
- ✔ Persistent Check Engine Light (CEL) with codes related to processor failure (e.g., P0606), sensor circuits, or communication errors.
- ✔ Engine stalling, stumbling, or running rough for no apparent reason.
- ✔ A complete no-start condition where the engine cranks but will not fire.
- ✔ Noticeable decrease in fuel economy and engine power.
- ✔ Harsh or erratic automatic transmission shifting.
- ✔ Problems with the glow plug system, leading to hard starts in cold weather.
- ✔ Communication issues with diagnostic scan tools.
The Plug-and-Play Solution: A Pre-Programmed 2006-2007 Sierra 2500 ECM
Don’t waste time and money on a trip to the dealership for expensive programming. We take the hassle out of the replacement process. When you purchase this ECM, you simply provide us with your vehicle’s 17-digit Vehicle Identification Number (VIN). Our technicians will then flash the module with the latest, most stable GM-certified software specific to your truck’s configuration. This ensures that all parameters for your engine, transmission, and emissions systems are set correctly right out of the box. For most vehicles, installation is straightforward, though some models may require a simple security relearn procedure, which can be done without special tools.
Guaranteed Compatibility
This module is a direct replacement for a wide range of GM trucks and vans equipped with the LLY Duramax diesel engine. It is compatible with the following original equipment part numbers:
19260753, 12588335, 12606126, 12606127, 12603623, 12604137, YNAY
It fits these models:
- 2006-2007 Chevrolet Silverado 2500/3500 Pickup (Diesel)
- 2006-2007 GMC Sierra 2500/3500 Pickup (Diesel)
- 2006-2007 Chevrolet Express 2500/3500 Van (Diesel)
- 2006-2007 GMC Savana 2500/3500 Van (Diesel)
Please verify the location of your ECM before ordering. On pickup models, it is typically located on the driver’s side, under the battery. On van models, it is found in the LH rear or front of the engine compartment.
Frequently Asked Questions
Do I need to have this ECM programmed by a dealer?
No. We handle all the programming for you before shipment. Simply provide your vehicle’s VIN during checkout, and the module will arrive ready for installation, loaded with the correct software for your truck.
What is a security relearn procedure?
A security relearn, or anti-theft relearn, syncs the new ECM with your vehicle’s existing anti-theft system. For most GM vehicles of this era, it’s a simple 30-minute process that involves turning the key to the ‘ON’ position for 10 minutes, three times in a row. Instructions are readily available online and we can provide guidance if needed.
Will this fix my truck’s specific problem?
This ECM will resolve issues directly caused by a faulty engine computer. While the symptoms listed are common indicators of ECM failure, we always recommend a proper diagnosis by a qualified mechanic to confirm the ECM is the root cause before purchasing.
Where is the VIN located on my vehicle?
Your 17-digit VIN can be found on a sticker on the driver’s side door jamb, on a metal plate on the driver’s side of the dashboard visible through the windshield, and on your vehicle’s registration and insurance documents.
Is this a new or used part?
This is a high-quality, inspected, and tested original equipment component that has been verified to meet or exceed factory specifications. It is programmed with fresh, updated software for optimal performance.