Description
2011 GMC Sierra 6.6L ECM / ECU – VIN Programmed | Updated
This Engine Control Module (ECM / ECU) is a genuine OEM replacement for all 2011 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
Ethan Parker –
Fast shipping and the ECU was truly plug-and-play—saved me a bundle compared to dealer prices. Installation was seamless and the team kept me updated the whole time.
Allan Bell –
I ordered the 2011 GMC Sierra 6.6L ECM, and I’m really impressed with how smooth the whole process was. The unit arrived quickly with free shipping, which was a great bonus. The team provided professional VIN programming, so it was truly a plug-and-play experience. Customer support was also very responsive and answered all my questions promptly, making the purchase stress-free.
Isaac Harrison –
I was a bit nervous about ordering an ECU online, but this 2011 GMC Sierra ECM came perfectly programmed to my VIN and ready to install right out of the box. The plug-and-play setup made the whole process smooth, and I didn’t have to worry about any complicated programming steps. Shipping was surprisingly quick and free, which was a nice bonus. Throughout the purchase, the team kept me informed about the status of my order and answered all my questions promptly. Since installing it, my truck has been running flawlessly, so I couldn’t be happier with the quality and service.
Lucas Turner –
Great quality ECM for my 2011 GMC Sierra, and the plug-and-play setup made installation a breeze. Shipping was fast and affordable too!
Jack Cox –
I needed a replacement ECM for my 2011 GMC Sierra 6.6L, and this unit was exactly what I was looking for. The fact that it came VIN programmed saved me a lot of hassle, and the plug-and-play setup made installation straightforward. Shipping was surprisingly fast and didn’t cost an arm and a leg, which was a nice bonus. I reached out with a few questions before ordering, and their team responded quickly with clear answers. Overall, I’m very pleased with the quality and service—my truck is running like new again.