Description
2010 GMC Sierra 6.6L ECM / ECU – VIN Programmed | Updated
This Engine Control Module (ECM / ECU) is a genuine OEM replacement for all 2010 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




Kyle Cook –
Fast shipping and the unit was truly plug-and-play, saving me a bundle compared to dealer prices. Installation went smoothly, and their team answered all my questions promptly.
Benjamin Palmer –
I ordered the 2010 GMC Sierra 6.6L ECM already VIN programmed, and it was exactly what I needed to get my truck back on the road. The shipping was surprisingly quick and free, which made the whole process even better. What stood out to me was how easily the unit plugged right in—no complicated setup or extra tuning required. The quality of the part feels solid, and my engine runs smoothly without any glitches now. Overall, a hassle-free experience from start to finish. Highly recommend this if you want a reliable replacement with zero headaches.
Harrison Sanders –
Great service with fast turnaround and plug-and-play programming that got my Sierra running like new again. Shipping was quick and hassle-free too.
Daniel Barrett –
I was pretty worried about my 2010 GMC Sierra’s engine computer failing, but this ECM arrived faster than I expected. The plug-and-play setup was straightforward, and I didn’t need any extra tools or trips to the mechanic. What really stood out was how much money I saved compared to the dealer’s outrageous price. The communication with the seller was clear and helpful, which made the whole process feel smooth and stress-free. Overall, this purchase exceeded my expectations and got my truck running like new again.
Oliver Wallace –
I was really impressed with how quickly the ECM arrived after I placed my order, and it was truly plug-and-play—no complicated setup needed. The unit worked perfectly right out of the box, and the whole process saved me a ton compared to dealer pricing. Communication with the seller was clear and professional, which made me feel confident throughout. Installation was smooth, and my truck runs like new again.
Brandon Young –
I was really impressed with the quality of this ECM for my 2010 GMC Sierra 6.6L. The unit arrived quickly and was already VIN programmed, which saved me a lot of time and hassle. The team provided excellent communication throughout the process and answered all my questions promptly. Shipping was also very reasonable, making the whole experience smooth and affordable.