Description
2016 Chevrolet Silverado 5.3L ECM / ECU – VIN Programmed | Plug & Play
This Engine Control Module (ECM / ECU) is a genuine OEM replacement for all 2016 Chevrolet Silverado 5.3L models.
Each unit is VIN-programmed, updated, and fully tested for a true plug-and-play installation with no dealer visit required.
Built to OEM standards for reliability, calibration accuracy, and long-term performance.
Strict Testing & Quality Assurance
Every ECU is inspected, refreshed, and verified through advanced diagnostic tools. Testing includes:
-
Complete communication & CAN-bus verification
-
Sensor input/output and signal integrity checks
-
Injector & ignition pulse simulation
-
Power, ground, and load-circuit analysis
-
Flash memory integrity and checksum validation
-
Thermal and voltage-stress testing to confirm reliability
This ensures a fully functional, reliable, plug-and-play module you can install with confidence.
Important Note
Some vehicles equipped with IMMO (Immobilizer) or PATS (Passive Anti-Theft System) may require additional key programming after installation. This is normal for models where security data must be synchronized with the vehicle’s body control system.
For a 100% plug-and-play solution with no relearns, no key programming, and no compatibility issues, we recommend our ECU Cloning Service, which transfers all original security, immobilizer, and configuration data directly into the replacement unit.
Contact Us
Email: info@fixecm.com
Phone: Local: 647-247-8555 | Toll-Free: 1-800-915-5566




Aiden Rogers –
This ECM arrived quickly and was exactly as described—VIN programmed and ready to go right out of the box. Installation was straightforward with no surprises, which saved me a lot of time and hassle. After swapping it in, my Silverado started up perfectly and runs smoothly, making it a solid buy for anyone needing a reliable replacement ECU. The customer support was also very helpful when I had a couple of questions during the process.
Tyler Moore –
I was a bit nervous about swapping out the ECM on my 2016 Silverado, but this VIN-programmed unit made the whole process surprisingly smooth. It truly was plug and play—no complicated setup or headaches. The truck fired right up, and everything has been running perfectly since day one. Shipping was quicker than I expected, and their support team was ready to answer a couple of questions I had. Definitely a solid purchase for anyone needing a reliable replacement.
Kyle Brooks –
Installed the ECM with zero hassle—fit perfectly and the truck runs like new again. Super quick delivery too!
This ECU was a seamless swap, no extra programming needed, and my Silverado starts flawlessly every time now. Great product!
Plugged it right in and it worked instantly, saved me a ton of time and headache. Highly recommend for anyone needing a reliable replacement.
Fast shipping and straightforward installation made this ECM an easy fix for my 2016 Silverado. Runs smooth and error-free!
Exactly what I needed for my truck—VIN programmed and ready to go straight out of the box. Couldn’t be happier with the purchase!