Description
2013 GMC Sierra 4.8L ECM / ECU – VIN Programmed | Plug & Play
This Engine Control Module (ECM / ECU) is a genuine OEM replacement for all 2013 GMC Sierra 4.8L 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



Benjamin Parker –
I wasn’t sure what to expect when ordering this ECM for my 2013 GMC Sierra, but it arrived quicker than I imagined and was truly a plug-and-play solution. The VIN was programmed perfectly, so I just swapped it in without any hiccups. After installation, my truck fired right up and runs as smooth as ever. It saved me from a costly trip to the dealership, and the process was straightforward enough even for someone who’s not a mechanic. I’m really glad I went this route!
Patrick Edwards –
This ECM arrived quickly and was exactly what I needed for my 2013 GMC Sierra 4.8L. The VIN programming was spot on, and installation was straightforward with no extra hassle, just plug and go. I appreciated the clear instructions and the fact that it worked perfectly right out of the box. Definitely saved me a lot of time and effort compared to other solutions.
Ryan Hall –
Got this ECM for my 2013 Sierra and it was ready to go right out of the box—super simple swap and runs flawlessly. The quick delivery was a nice bonus too!
Daniel Nelson –
I replaced the ECM on my 2013 Sierra with this unit and couldn’t be happier. It arrived faster than I expected, and the VIN programming meant I didn’t have to fiddle with complicated setups. Installation was truly plug-and-play—I was back on the road in no time. The truck runs smoother now, and I appreciate that there was clear guidance available when I had a couple of questions. Definitely a reliable product that saved me a lot of hassle.