Description
2016 GMC Sierra 5.3L ECM / ECU – VIN Programmed | Updated
This Engine Control Module (ECM / ECU) is a genuine OEM replacement for all 2016 GMC Sierra 5.3L 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
Gavin Brown –
I was really impressed with how smoothly the whole process went when ordering the ECM for my 2016 GMC Sierra. The unit arrived quickly, and the free shipping was a nice surprise that saved me some extra costs. What stood out the most was the plug-and-play setup they provided—once it arrived, it was basically ready to go, which made installation stress-free. I had a couple of questions before purchasing, and their customer service team responded promptly and clearly, which gave me a lot of confidence in the product. Overall, this was a hassle-free experience and my truck has been running perfectly since. Highly recommend!
Brandon Graham –
I purchased the 2016 GMC Sierra 5.3L ECM from this seller and was really impressed by how seamless the whole process was. They offer professional VIN programming, so I didn’t have to worry about compatibility or setup—just plug and play. Shipping was free and arrived quicker than I expected. The unit works perfectly, and my truck runs like new again.
Allan Chapman –
I’m really impressed with this 2016 GMC Sierra 5.3L ECM. The shipping arrived quicker than I expected, and the unit was truly plug-and-play – I didn’t have to fuss with complicated setups. Installation went smoothly, and it saved me a ton compared to dealership prices. Plus, their communication throughout the process was clear and professional.
Marcus Miles –
Great experience—fast shipping and the ECM arrived perfectly programmed for my 2016 GMC Sierra. The setup was truly plug-and-play, saved me a lot of hassle.
Shane Sanders –
I was really impressed with how quickly the 2016 GMC Sierra 5.3L ECM arrived after ordering. The unit was completely plug-and-play, which made installation a breeze, even though I’m not a professional mechanic. Compared to the steep prices the dealer quoted me, this purchase saved me a significant amount of money without sacrificing quality. The team was very responsive when I had questions, making the entire process smooth from start to finish. Overall, I’m extremely satisfied and would recommend this to anyone needing a reliable replacement.
Sean Collins –
Fast shipping and a truly plug-and-play unit made this an easy fix. The price was way better than the dealer, saving me a bundle.