Description
2010 Chevrolet Avalanche 5.3L ECM / ECU – VIN Programmed | Updated
This Engine Control Module (ECM / ECU) is a genuine OEM replacement for all 2010 Chevrolet Avalanche 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




Michael Johnson –
Fast shipping and the plug-and-play unit worked perfectly, saving me a bundle compared to dealer prices. Installation was a breeze thanks to their clear communication.
Russell Foster –
The VIN programmed ECM arrived quickly with free shipping, and it worked perfectly right out of the box. Excellent communication throughout the process made this an easy purchase.
Mark Hall –
I was really impressed with how quickly this ECM arrived—shipping was faster than I expected. The unit came perfectly programmed to my VIN and was truly plug-and-play, making installation straightforward. The process saved me a ton compared to the dealership, and the customer support was responsive and helpful throughout. Overall, a smooth experience from start to finish.
Cooper Keller –
I ordered the ECM for my 2010 Chevy Avalanche with some hesitation, but the entire process went smoother than I expected. The VIN programming was spot on, so the unit was ready to go right out of the box. Shipping was surprisingly quick and free, which was a nice bonus. I had a couple of questions before ordering, and their team responded promptly, helping me feel confident about the purchase. After installation, my truck runs like new again—definitely recommend this service to anyone needing reliable ECU upgrades.
Nicholas King –
I was really impressed with how quickly the ECM arrived after I placed my order—definitely faster than I expected. The unit came VIN programmed and was truly plug-and-play, which made the installation process smooth and stress-free. I had shopped around and the price here was a fraction of what the dealer quoted, so this saved me a lot of money. The communication was clear and professional, answering all my questions promptly. Overall, it was a great experience from start to finish, and my Avalanche is running perfectly now.
Harvey Lopez –
I was really impressed with the quality of the ECM for my 2010 Chevrolet Avalanche 5.3L. It arrived quickly with free shipping, and the unit was already programmed to my VIN, which made installation a breeze. The seller kept me informed throughout the process and responded promptly to my questions. Overall, it was a smooth experience, and my truck is running perfectly now.