Description
2017 Chevrolet Silverado 4.3L ECM / ECU – VIN Programmed | Updated
This Engine Control Module (ECM / ECU) is a genuine OEM replacement for all 2017 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
Carlos Lewis –
I was really impressed with how smooth the process was ordering the 2017 Silverado ECM. The unit arrived quickly, and the fact that it came VIN programmed saved me so much hassle. The team kept me informed at every step, answering my questions promptly and making sure I understood everything. Installation was straightforward, and my truck is running like new again. Definitely a reliable source for replacement modules.
Diego Cooper –
Shipping was lightning fast and the unit plugged in perfectly—saved me a ton versus dealer prices. Installation was a breeze thanks to their clear communication and quick service.
Blake Hall –
The ECM arrived quickly with free shipping, and the plug-and-play programming made installation a breeze. Great service all around!
Edward Young –
I purchased the 12678939 ECM for my 2017 Silverado, and the entire process was smooth from start to finish. The unit arrived quickly with free shipping, which was a nice bonus. What really stood out was the professional VIN programming they provided—my truck fired right up without any issues. Their team also answered my questions promptly, making me feel confident about this purchase.