Description
2007 GMC Sierra 4.3L ECM / ECU – VIN Programmed | Updated
This Engine Control Module (ECM / ECU) is a genuine OEM replacement for all 2007 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
Paul Lawrence –
I ordered the 12594750 ECM for my 2007 GMC Sierra, and everything arrived quickly with free shipping, which was a nice bonus. The unit came already VIN programmed, so installation was straightforward with no extra hassle. The communication was excellent throughout the process—they responded promptly to my questions and kept me informed. Overall, the quality of the ECU is solid, and my truck runs like new again.
Cole Ramirez –
The ECM arrived quickly with free shipping and was already VIN programmed, making installation a breeze. Great service and fast turnaround!
Kyle Mitchell –
I was really impressed with how smoothly everything went from start to finish. After my Sierra’s original ECM failed, I found this replacement unit and the fact that it came VIN programmed was a huge relief. The team also offered professional programming, so I didn’t have to worry about any complicated setup—just plug and play. Shipping was very reasonable and arrived quicker than I expected, which got my truck back on the road fast. Their communication was top-notch too; they kept me informed throughout the process and answered all my questions promptly. Overall, a fantastic experience and the engine runs perfectly like new.
Scott Lawrence –
Fast shipping and the unit was truly plug-and-play—saved me a ton versus dealer prices. Installation was seamless thanks to clear instructions and great support.
Owen Palmer –
I was really impressed with how smooth the whole process was. The ECU came VIN programmed and ready to install, which saved me a ton of time and hassle. Shipping was surprisingly quick and didn’t cost a fortune either, which I appreciated. When I had a couple of questions about compatibility, their customer service responded promptly and helped me out. After swapping it in, my Sierra runs like new again—definitely worth it!
Andrew Bailey –
I was really impressed with how quickly this ECM arrived after I placed my order. The shipping was fast, and when I got the unit, it was already VIN programmed, so it was basically plug-and-play. Installing it was straightforward and didn’t require any special tools or complicated steps. Compared to the dealership’s quote, buying this unit online saved me a significant amount of money, which was a huge relief. The whole process was smooth, and the communication from the seller was clear and helpful throughout. Overall, it made fixing my 2007 GMC Sierra a much less stressful experience.
Leo Perez –
I was really impressed with how quickly this ECM arrived after ordering—it was shipped fast and arrived right on time. The unit was fully VIN programmed and truly plug-and-play, making installation straightforward without any hassle. Compared to the high dealer prices, this purchase saved me a significant amount of money. Communication throughout the process was clear and professional, which made the whole experience smooth and stress-free.