Description
2014 Chevrolet Silverado 6.6L ECM / ECU – VIN Programmed | Plug & Play
This Engine Control Module (ECM / ECU) is a genuine OEM replacement for all 2014 Chevrolet Silverado 6.6L 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
Jack Clark –
The 2014 Chevrolet Silverado ECM arrived quickly and was exactly as described. Installation was a breeze with its true plug-and-play design, and my truck started up flawlessly without any additional programming needed. I appreciated the clear instructions and friendly customer support when I had a couple of questions. Overall, a reliable, hassle-free replacement that got my Silverado running like new again.
John Morris –
This ECM fit perfectly with my Silverado and was ready to go right out of the box—super easy install and quick delivery!
Really impressed with how smooth the entire process was; the unit was VIN programmed and worked flawlessly the first time.
Fast shipping and exactly as described—my truck fired up without a hitch thanks to this plug-and-play ECM.
Got this for my 2014 Silverado, and it plugged right in with no extra hassle. Runs like a charm!
The VIN programming saved me so much time, and the truck’s running strong again. Highly recommend for a hassle-free fix!
Lucas Morris –
I was a bit nervous about replacing the ECM on my 2014 Silverado, but this unit came completely programmed to my VIN and was genuinely plug-and-play. Installation was straightforward, and I had the truck running smoothly in no time without any error codes popping up. It was shipped quickly and arrived well-packed, which gave me confidence right away. Plus, when I had a quick question, their support team was really helpful and knowledgeable. Overall, this made a normally stressful repair much easier than expected.