Description
2014 Chevrolet Silverado 4.3L ECM / ECU – VIN Programmed | Updated
This Engine Control Module (ECM / ECU) is a genuine OEM replacement for all 2014 Chevrolet Silverado 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
Tyler Hayes –
I purchased the 12663437 ECM for my 2014 Silverado, and I’m really impressed with how smooth the whole process was. The unit arrived quickly with free shipping, which was a nice bonus. They also provided professional VIN programming, so it was basically plug-and-play once I got it installed. Communication was clear, and they kept me updated every step of the way, making it an easy and stress-free experience.
Cooper Palmer –
I was really impressed with how smoothly everything went when I ordered this ECM for my 2014 Silverado. The unit came VIN programmed and ready to install, which saved me a ton of hassle since I didn’t have to do any extra programming myself. Shipping was surprisingly fast and free, which made the whole process even better. They also kept me informed throughout the order and delivery, so I always knew when to expect my package. Installation was straightforward, and my truck runs perfectly now—definitely worth the investment.
Bruce Lewis –
Fast shipping and the unit was exactly plug-and-play, saving me a bundle versus dealership prices. Installation went smoothly thanks to their professional service and clear communication.
Miguel Morris –
The VIN programmed ECM arrived quickly with free shipping and worked perfectly in my 2014 Silverado. Excellent communication throughout the process made this stress-free.
Neil Chapman –
I was really impressed with how quickly the ECM arrived after I placed my order—shipping was super fast. When I got the unit, it was clearly programmed for my 2014 Silverado’s VIN and ready to go right out of the box, which made installation stress-free and straightforward. The whole process saved me a ton compared to the dealer’s steep repair prices. I appreciated the clear communication from the seller, too, which helped me feel confident about what I was buying. Overall, a smooth experience from start to finish that got my truck back on the road in no time.
Kevin Jenkins –
I was really impressed with how quickly this ECM arrived, especially since I needed it in a hurry. The unit was completely plug-and-play, making installation straightforward without any headaches. Their communication throughout the process was excellent, and the professional service saved me a significant amount compared to dealer prices. Overall, a great experience and my Silverado runs perfectly now.