Get Your Work Truck Back on the Road, Fast.
Is your Silverado, Sierra, or Express van suffering from frustrating electrical issues, a persistent check engine light, or a no-start condition? A failing Engine Control Module (ECM) can bring your entire operation to a standstill, costing you valuable time and money. This professionally programmed ECM is the definitive, reliable solution to restore your truck’s performance and get you back to work. We take the guesswork out of the repair by flashing this computer with the latest GM software, specifically matched to your vehicle’s VIN before it ships.
Common Symptoms & Your Direct-Fit Solution
A faulty ECM can manifest in numerous ways, often mimicking other component failures. If you’re experiencing any of the following, a failing engine computer is a likely culprit. This part is the solution for:
- Persistent Check Engine Light (CEL) with codes like P0606 (ECM Processor Fault)
- Complete no-start or intermittent starting problems
- Noticeable drop in fuel economy or engine power
- Erratic or harsh transmission shifting
- Stalling or rough idling for no apparent reason
- Communication errors with diagnostic scan tools
Instead of risking a used module from a salvage yard that won’t communicate with your vehicle, our 2006-2007 GM Diesel ECM arrives ready for a straightforward installation, saving you a costly trip to the dealership for programming.
Features & Real-World Benefits
- ✔ Pre-Programmed to Your VIN: We flash the module with your truck’s specific Vehicle Identification Number, ensuring all systems and options function correctly right out of the box.
- ✔ Loaded with Latest GM Software: Your ECM comes with the most current factory updates, which can improve fuel efficiency, shifting patterns, and overall engine performance.
- ✔ Guaranteed Compatibility: This unit is a direct replacement for multiple part numbers, including 19260753, 12588335, 12606126, 12604137, and more. See the full fitment list for details.
- ✔ Restores Peak Engine Performance: By installing a properly functioning and updated computer, you restore the precise fuel and timing control your diesel engine needs to run efficiently and powerfully.
- ✔ Peace of Mind Guarantee: This unit is backed by our one-year replacement warranty.
An Expert’s Tip: As a technician with two decades of experience, I’ve seen countless work trucks sidelined by a bad ECM. The biggest mistake owners make is buying a used module and hoping it works. It won’t. Modern trucks require the ECM to be programmed to the specific VIN. Our process handles that critical step for you, ensuring the module communicates perfectly with the instrument cluster, transmission controller, and other modules. It’s the difference between a 30-minute swap and a week of diagnostic nightmares.
Frequently Asked Questions
Do I need to have this ECM programmed by a dealer?
No. The main benefit of our service is that we program the ECM to your vehicle’s specific VIN before we ship it to you. It arrives ready to be installed, saving you the time, hassle, and expense of a dealership visit.
How do I provide my vehicle’s VIN?
After you complete your purchase, you can add your VIN to the order notes or simply reply to your order confirmation email with the 17-digit VIN. We cannot ship the part until we have this information.
Is this a difficult part to install?
For most 2006-2007 GM trucks, the ECM is located under the battery on the driver’s side. Installation is a direct swap that involves disconnecting the battery, removing the old unit, and plugging in the new one. In some cases, a simple security relearn procedure may be required, which does not need special tools and instructions can be easily found online.
Will this fix my check engine light?
If the check engine light and associated diagnostic trouble codes (DTCs) are a direct result of a faulty ECM, then yes, this part will resolve the issue. However, it’s always essential to ensure a proper diagnosis has been performed to rule out other potential problems like sensors or wiring.
Which part numbers does this computer replace?
This ECM is a direct, programmed replacement for the following part numbers: 19260753, 12588335, 12606126, 12606127, 12603623, 12604137, and YNAY.