Description
2016 GMC Suburban 6.0L ECM / ECU – VIN Programmed | Updated
This Engine Control Module (ECM / ECU) is a genuine OEM replacement for all 2016 GMC Suburban 6.0L 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




Russell Bates –
I ordered the 12668991 ECM for my 2016 GMC Suburban, and I’m really impressed with how smoothly everything went. The unit arrived quickly with free shipping, which was a nice bonus. They also did a great job with the VIN programming, so it was essentially plug-and-play once it arrived. Customer support was very responsive and kept me informed throughout the entire process, making it a hassle-free experience.
Scott Poole –
Great experience with fast shipping and the unit arrived fully programmed and ready to install. They answered all my questions promptly which made the process smooth.
Adrian Lewis –
The ECM arrived quickly and was a perfect plug-and-play fit for my 2016 GMC Suburban, saving me a ton versus dealer prices. Installation was straightforward, and communication throughout was top-notch.
Spencer Sharp –
I recently purchased the 2016 GMC Suburban ECM from this seller, and I couldn’t be happier with the entire experience. The unit arrived quickly and was already VIN programmed, which saved me a ton of hassle. Their communication was outstanding—they kept me informed every step of the way and promptly answered all my questions. Installation was straightforward thanks to the plug-and-play setup. Overall, the quality of the ECM is excellent, and my Suburban runs like new again.