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



Ian Miller –
I was really impressed by how quickly this ECU arrived—shipping was much faster than I expected. The unit was completely plug-and-play, making installation straightforward even for someone without extensive mechanical experience. Compared to dealer prices, this solution saved me a significant amount of money, and the communication from the seller was clear and helpful throughout the process. Overall, a smooth experience from start to finish.
Aiden Young –
I was really impressed with how fast the shipping was for this 2014 Silverado ECM. It arrived well-packaged and was completely plug-and-play — no headaches or extra programming on my end. Installing it took less than an hour, and it fired right up without any issues. Choosing this unit saved me a huge amount compared to the dealership’s price, which was a relief. The communication from the seller was clear and professional, so I felt confident throughout the whole process. Overall, a smooth experience that I’d definitely recommend.
Allan Evans –
The VIN-programmed ECM arrived quickly with free shipping, and it worked perfectly right out of the box—highly recommend!
Max Palmer –
Shipping was super fast, and the unit was truly plug-and-play. Saved me a ton compared to the dealer, plus the install went smoothly with great communication.