Your Truck is Down. Let’s Get It Running.
When your Silverado, Sierra, or Express van won’t start, runs rough, or has a persistent check engine light, your entire workday grinds to a halt. A faulty Engine Control Module (ECM) is often the culprit, leaving your reliable workhorse dead in the water. This isn’t just an inconvenience; it’s lost time and lost money. You need a solution that’s fast, reliable, and gets you back on the road without the exorbitant costs and delays of a dealership visit. This is that solution.
Common Symptoms & Your Solution
If your truck is experiencing any of the following, a failing engine computer is the likely cause. This pre-programmed module is the definitive fix for these frustrating issues:
- Complete no-start or intermittent starting problems
- Poor engine performance, hesitation, or stalling
- Reduced fuel economy
- Communication errors with diagnostic scan tools
- Check Engine Light with DTCs like P0601, P0602, or P0606
- Erratic transmission shifting or other electronic glitches
This isn’t just a replacement part; it’s a complete, ready-to-install remedy. We handle the complex programming for you, loading the latest GM software updates specifically matched to your vehicle’s VIN. The result is a seamless installation that restores the performance and reliability you depend on. This is the most efficient way to solve your 2006-2007 GM Diesel ECM problems for good.
Features & Benefits
- ✔ Plug & Play Installation: Arrives pre-programmed to your truck’s specific VIN. No expensive dealer programming is required.
- ✔ Restored Engine Performance: Corrects running issues, poor idling, and hesitation by restoring factory-perfect engine management.
- ✔ Updated GM Software: We flash each module with the newest vehicle-specific software from General Motors for optimal performance and efficiency.
- ✔ Guaranteed Compatibility: A direct replacement for part numbers 19260753, 12588335, 12606126, 12606127, 19260753, 12603623, 12604137, and YNAY.
- ✔ Built for Durability: Engineered to meet or exceed original equipment specifications for a long service life in your hardworking truck.
- ✔ Peace of Mind Included: This unit is backed by our one-year replacement warranty.
Expert Insight: The Critical Role of VIN Programming
On these 2006-2007 Duramax LLY engines, the ECM is more than just a simple computer—it’s the central command center that manages everything from fuel injection timing to transmission shift points and emissions controls. Simply swapping a used module from another truck will result in a no-start condition due to the vehicle’s anti-theft system (Passlock/VATS). Our process bypasses this headache entirely. By programming the 2006-2007 GM Diesel ECM to your exact VIN before it ships, we ensure all internal modules communicate correctly from the moment you plug it in. This critical step saves you from needing specialized dealer tools and gets your truck back to work faster.
Frequently Asked Questions
How do I provide my VIN number?
After you complete your purchase, simply reply to your order confirmation email with your 17-digit Vehicle Identification Number (VIN). You can also add it to the ‘notes’ section during checkout. We cannot program or ship the module without it.
Is this a simple plug-and-play installation?
Yes. Because we program the module to your VIN before shipping, it is ready to be installed upon arrival. In most cases, you simply disconnect the battery, swap the modules, and reconnect the battery. No additional programming is required.
Will this fix my specific check engine light codes?
This ECM is the direct solution for internal module failure codes, such as P0601 (Internal Control Module Memory Check Sum Error) or P0606 (ECM/PCM Processor Fault). If your codes are related to a failed computer, this will resolve the issue. Always ensure you have diagnosed the root cause of any sensor-related codes before replacing the ECM.
Where is the ECM located on my truck?
On 2006-2007 Silverado and Sierra pickups, the ECM is located in the engine bay on the driver’s side, under the battery tray. On Express and Savana vans, it is typically found in the LH rear or front of the engine compartment, depending on the year.
What if my original part number isn’t on your list?
The part numbers listed (12606126, 12588335, etc.) are the most common for this application and are often interchangeable. As long as your vehicle is a 2006-2007 GM truck or van with the LLY diesel engine (8th digit of VIN is ‘2’), this 2006-2007 GM Diesel ECM will be the correct, programmed unit for your vehicle.