Description
2011 GMC Sierra 6.2L ECM / ECU – VIN Programmed | Plug & Play
This Engine Control Module (ECM / ECU) is a genuine OEM replacement for all 2011 GMC Sierra 6.2L 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
Mark Moore –
I was honestly a bit nervous about swapping out the ECM on my 2011 GMC Sierra, but this unit made the whole process surprisingly smooth. The fact that it came VIN programmed saved me so much time and hassle—I just plugged it in and my truck fired right up without any glitches. Shipping was quick, arriving earlier than I expected, which helped me get back on the road faster. I also appreciated the friendly tech support who answered a couple of my questions patiently. Overall, this was a top-quality, hassle-free upgrade that feels like it was made specifically for my truck.
Steven Lopez –
The ECM arrived quickly and was already programmed to my VIN—installed it in minutes with zero hassle. Works perfectly with my 2011 Sierra!
John Collins –
This ECM arrived quickly and was exactly as described, perfectly programmed to my truck’s VIN. Installation was straightforward, and it fired up without any issues, making the whole process hassle-free. I appreciate that the unit was truly plug-and-play, saving me time and a trip to the mechanic. Overall, a solid purchase that restored my Sierra’s performance right away.