Description
2009 GMC Sierra 4.3L ECM / ECU – VIN Programmed | Updated
This Engine Control Module (ECM / ECU) is a genuine OEM replacement for all 2009 GMC Sierra 4.3L models.
Each unit is VIN-programmed, updated, and fully tested.Built to OEM standards for reliability, calibration accuracy, and long-term performance.
Strict Testing & Quality Assurance
This is not a brand-new unit. It is a rebuilt unit that is inspected, refreshed, and fully tested before shipping.
Testing includes communication, CAN-bus, sensor signal, power circuit, flash memory, and reliability checks.
Important Note
If your vehicle does not have an IMMO or PATS system, this unit will be directly plug&play.
If your vehicle has an IMMO or PATS system, it will require a key relearn after installation. You can visit your local locksmith for help.
We also offer a full cloning service. We transfer all security data to the replacement unit, so it will be a plug&play installation.
For all European cars, Hyundai, and Kia vehicles, we recommend adding our cloning service as a bundle.
For American and Japanese cars, we recommend doing a key relearn on-site.
Contact Us
Email: info@fixecm.com
Phone: Local: 647-247-8555 | Toll-Free: 1-800-915-5566
Bruce Keller –
Fast shipping and the ECU came perfectly programmed for my 2009 Sierra—plug-and-play made installation a breeze.
Luke Young –
Super fast shipping and the unit was truly plug-and-play, saving me a bundle versus dealer prices. Installation was a breeze thanks to their clear communication and quick turnaround.
Hunter Taylor –
I ordered the 12630500 ECM for my 2009 GMC Sierra and was impressed with how professional their programming service was. The unit arrived fully VIN programmed and ready to install, which saved me a lot of hassle. Shipping was very reasonable and the whole process was smooth from start to finish. Their team also responded quickly to my questions, making the experience even better.
Nathan Lopez –
I was really impressed with how smoothly everything went when I ordered the ECM for my 2009 GMC Sierra. The unit arrived quickly and was already VIN programmed, which made installation much easier than I expected. What stood out was the excellent communication—every step was clearly explained, and they promptly answered my questions. Shipping was very reasonable too, which was a nice bonus. After swapping it in, my truck runs like new again. Highly recommend this service for anyone needing a reliable ECM replacement.