Description
2005 Chevrolet Silverado 5.3L ECM / ECU – VIN Programmed | Updated
This Engine Control Module (ECM / ECU) is a genuine OEM replacement for all 2005 Chevrolet Silverado 5.3L 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




Luis Edwards –
The shipping was super quick, the unit was plug-and-play, and the whole process saved me a ton compared to dealer prices. Installation was smooth and communication was spot on.
Anthony Poole –
The VIN programmed PCM arrived quickly with free shipping and worked perfectly right out of the box. Excellent communication throughout the process made this a smooth experience.
Jorge Carter –
I ordered the 2005 Silverado ECM and was impressed with how quickly they programmed it to my VIN before shipping. The unit arrived well-packaged with very reasonable shipping costs, which was a nice bonus. Installation was straightforward thanks to their plug-and-play setup, and the truck has been running flawlessly since. Their team also responded promptly when I had a few questions, making the whole process smooth.
Max Watson –
I was nervous about ordering an ECM online, but this 2005 Silverado unit exceeded my expectations. The fact that it came VIN programmed made installation a breeze — it really was plug-and-play. Shipping was surprisingly fast and affordable, which was a nice bonus. The team also kept me updated throughout the process, answering all my questions promptly. After swapping it out, my truck runs like new again, and I couldn’t be happier with the quality.