Description
2011 Chevrolet Silverado 4.8L ECM / ECU – VIN Programmed | Plug & Play
This Engine Control Module (ECM / ECU) is a genuine OEM replacement for all 2011 Chevrolet Silverado 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



Adrian Walker –
I was a bit nervous about ordering an ECM online, but this 2011 Chevrolet Silverado 4.8L unit was exactly what I needed. It arrived quickly and was already VIN programmed, which made installation straightforward without any extra hassle. It plugged right in and fired up immediately, saving me a lot of downtime. Customer support also answered my questions promptly, making the whole process smooth and worry-free.
Brian Lewis –
Fast shipping and flawless fit—installed in minutes and my Silverado runs like new again!
Exactly what I needed, super easy to install and came VIN programmed, no headaches at all.
Plugged it in and was ready to go—saved me a lot of time and hassle, highly recommend!
Great quality and arrived quicker than expected; my truck has never driven better.
Perfect match for my 2011 Silverado, the ECU worked straight out of the box with zero issues.