Description
2011 Chevrolet Silverado 5.3L ECM / ECU – VIN Programmed | Plug & Play
This Engine Control Module (ECM / ECU) is a genuine OEM replacement for all 2011 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:
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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
Michael Cook –
Super easy install and shipped quickly—had my Silverado running like new in no time!
Justin Green –
I was a bit nervous ordering an ECM online, but this 2011 Chevrolet Silverado 5.3L module completely exceeded my expectations. The unit arrived quicker than I thought it would, well-packaged and ready to go right out of the box. Installation was straightforward — just plugged it in without needing any extra programming or trips to the mechanic. My truck fired right up and has been running perfectly ever since. Overall, it saved me a lot of time and hassle, and I’m really glad I found this option.
Ethan Cooper –
The 2011 Chevrolet Silverado ECM arrived quickly and was already programmed to my truck’s VIN, which made installation a breeze. It fit perfectly and worked flawlessly right out of the box, saving me a lot of time and hassle. The quality feels solid, and I appreciated the helpful customer support when I had a couple of questions before buying. Overall, very satisfied with this purchase!