Description
2009 GMC Sierra 6.6L ECM / ECU – VIN Programmed | Updated
This Engine Control Module (ECM / ECU) is a genuine OEM replacement for all 2009 GMC Sierra 6.6L models.
Each unit is VIN-programmed, updated, and fully tested.Built to OEM standards for reliability, calibration accuracy, and long-term performance.
Strict Testing & Quality Assurance
This is not a brand-new unit. It is a rebuilt unit that is inspected, refreshed, and fully tested before shipping.
Testing includes communication, CAN-bus, sensor signal, power circuit, flash memory, and reliability checks.
Important Note
If your vehicle does not have an IMMO or PATS system, this unit will be directly plug&play.
If your vehicle has an IMMO or PATS system, it will require a key relearn after installation. You can visit your local locksmith for help.
We also offer a full cloning service. We transfer all security data to the replacement unit, so it will be a plug&play installation.
For all European cars, Hyundai, and Kia vehicles, we recommend adding our cloning service as a bundle.
For American and Japanese cars, we recommend doing a key relearn on-site.
Contact Us
Email: info@fixecm.com
Phone: Local: 647-247-8555 | Toll-Free: 1-800-915-5566
Trevor Little –
I had a great experience ordering the 2009 GMC Sierra 6.6L ECM from this seller. The unit arrived quickly and was already VIN programmed, which saved me a lot of hassle. I was impressed with how smooth the plug-and-play setup was—just installed it and the truck fired right up without any issues. The shipping cost was very reasonable, and I appreciated that it arrived well-packaged and on time. Overall, this made a stressful repair much easier than I expected. Highly recommend if you need a reliable replacement ECM.
Lucas Rivera –
The 2009 GMC Sierra 6.6L ECM arrived much quicker than I expected, which was a great start. The unit was truly plug-and-play, making installation straightforward and hassle-free. Choosing this service instead of the dealership saved me a ton of money, and the communication throughout the process was very clear and professional. Overall, a smooth experience from start to finish.
Noah Anderson –
I had an issue with my 2009 GMC Sierra’s ECM and found this ECM replacement online. The unit arrived faster than I expected, and the free shipping was a nice bonus. What really stood out was the professional VIN programming service they included—it made installation straightforward with no guesswork. Their team responded quickly when I had questions about the process, which helped me feel confident throughout. After swapping the ECM, my truck runs better than it has in years. Highly recommend this product and service for anyone in need of a reliable ECM.
Scott Nichols –
The shipping was super fast, the unit was plug-and-play, and the whole process saved me a ton compared to dealer prices. Installation was hassle-free and the communication was top notch.
Owen Smith –
Got my 2009 GMC Sierra ECM quickly with free shipping, and it was ready to plug-and-play right out of the box. Excellent service and super fast turnaround!
Paul Scott –
I ordered the 2009 GMC Sierra 6.6L ECM from this seller and was really impressed with how smoothly everything went. Their professional VIN programming service made installation a breeze—just plug and play with no hassle. Shipping was quick and affordable, and they kept me informed throughout the whole process. The unit works perfectly, and my truck runs better than ever.