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
Sean Hudson –
I was impressed by how smoothly the whole process went with this 2007 GMC Sierra ECM. The unit arrived quickly with free shipping, and it was already VIN programmed, so installation was a breeze. I appreciated the clear communication from the seller—they kept me informed every step of the way and answered my questions promptly. After swapping it in, my truck ran perfectly, just like new. Definitely a reliable product and service I’d trust again.
Max Cook –
I was a bit anxious about ordering an ECM online, but this was a smooth experience from start to finish. The unit arrived quickly and the fact that it was already VIN programmed made installation a breeze—no extra trips to the mechanic needed. I also appreciated how the seller kept me in the loop every step of the way, answering my questions promptly. My 2007 GMC Sierra runs perfectly now, with no warning lights or issues. Definitely recommend if you want a hassle-free solution.
Ryan Bailey –
I ordered the 2007 GMC Sierra ECM and was really impressed with how quickly it arrived, especially with free shipping included. The unit came VIN programmed and ready to install, which made the whole process much easier than I expected. The communication throughout the order was excellent—they kept me informed every step of the way. Overall, a great experience with a quality product that had my truck running like new again.
Ian Reed –
Great experience—all programmed perfectly and arrived quickly with free shipping. The plug-and-play setup saved me a ton of hassle!
Dylan Cook –
The 12635901 ECM I ordered for my 2007 GMC Sierra arrived quickly and was exactly as described. Installation was straightforward since the unit came pre-programmed and plug-and-play, which made getting my truck back on the road a breeze. The whole process saved me a significant amount compared to dealer prices, and the seller kept me informed throughout. Overall, an excellent experience with professional service and fast delivery.
Mark Reynolds –
The shipping was incredibly fast and the unit was truly plug-and-play, saving me a ton compared to dealer prices. Installation was smooth and the service was professional from start to finish.