Description
2013 GMC Sierra 5.3L ECM / ECU – VIN Programmed | Plug & Play
This Engine Control Module (ECM / ECU) is a genuine OEM replacement for all 2013 GMC Sierra 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:
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Complete communication & CAN-bus verification
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Sensor input/output and signal integrity checks
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Injector & ignition pulse simulation
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Power, ground, and load-circuit analysis
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Flash memory integrity and checksum validation
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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
Owen Watson –
I was a bit nervous about replacing the ECM on my 2013 GMC Sierra, but this VIN programmed unit made the whole process surprisingly simple. It arrived quickly, and everything fit perfectly without any need for programming on my end. Once installed, my truck fired up immediately and runs just like it did when new. I appreciate that it was truly plug-and-play, saving me a ton of time and hassle. If you’re looking for a reliable replacement, this is definitely the way to go.
Michael Phillips –
The ECM arrived quickly and was exactly as described, already programmed to my truck’s VIN which saved me a ton of hassle. Installation was straightforward—just plugged it in and everything fired up without any issues. I appreciate the professional support team who answered a couple of my questions promptly. Overall, a seamless experience that got my 2013 Sierra back on the road fast.
Jacob Richardson –
I was a bit nervous about replacing the ECM on my 2013 GMC Sierra, but this VIN programmed unit made everything so straightforward. It arrived quickly, and I appreciated that it was ready to go right out of the box—no extra programming needed. Installation was surprisingly easy, and my truck fired up immediately without any issues. The difference in performance is noticeable, and I’m relieved to have such a reliable part. Definitely worth it if you want a hassle-free fix.
Matthew Mitchell –
The ECM arrived quickly and was already programmed for my Silverado, making installation a breeze. Couldn’t ask for a smoother upgrade!
Super glad I found this ECU! It was ready to go right out of the box and my truck runs perfectly now.
Fast shipping and flawless fit—plugged it in without any hassle and my 2013 GMC is back on the road like new.
This ECM was spot on, pre-programmed for my VIN, and installation took minutes. Highly recommend if you want a no-fuss fix.
Great quality and easy swap, plus the support team answered my questions quickly. My Sierra’s engine runs great with this unit!