Description
2012 Chevrolet Silverado 4.8L ECM / ECU – VIN Programmed | Updated
This Engine Control Module (ECM / ECU) is a genuine OEM replacement for all 2012 Chevrolet Silverado 4.8L 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




Matthew Tucker –
I purchased the 2012 Chevrolet Silverado 4.8L ECM and was impressed by the professional programming service included. The unit arrived quickly and fit perfectly with no issues after installation. Customer support was excellent, answering my questions promptly and keeping me informed throughout the process. Overall, a smooth experience that brought my truck back to life.
Nathan Baker –
The shipping was quick, and the unit was truly plug-and-play—I saved a ton compared to dealer prices. Installation was seamless, and their communication was spot on.
Allan Barrett –
Fast shipping and the plug-and-play setup made installing the ECM on my 2012 Silverado a breeze. The programming was spot on, and it runs perfectly now.