Description
2009 Chevrolet Silverado 4.3L ECM / ECU – VIN Programmed | Plug & Play
This Engine Control Module (ECM / ECU) is a genuine OEM replacement for all 2009 Chevrolet Silverado 4.3L 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




Lucas Johnson –
I had been struggling with my Silverado’s engine issues for weeks before deciding to order this ECM. It arrived much quicker than I expected, which was a pleasant surprise. Installation was straightforward—I simply plugged it in, and everything fired up without a hitch. I appreciated how the unit came pre-programmed to my VIN, saving me a ton of setup time. Since swapping it out, my truck runs smoother than it has in years. Definitely worth every penny!
Dylan Reed –
Got my Silverado running smoothly again in no time—installation was a breeze and it showed up quicker than expected. Highly recommend this ECU!
Mark Nelson –
I was a bit nervous about ordering an ECM online, but this one fit perfectly and came already programmed to my VIN. Installation was straightforward—just unplugged the old unit and clicked this one right in, no extra tuning needed. It fired up immediately, and my Silverado runs smoother than ever. Shipping was surprisingly quick, and the support team was helpful when I had a couple of questions before ordering.