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



Jose Bailey –
The VIN programmed ECM arrived quickly with free shipping, and it was ready to install right out of the box—worked perfectly on my 2010 Sierra.
Dylan Anderson –
Fast shipping and the plug-and-play unit worked perfectly—saved me a ton compared to dealer prices. Installation was straightforward and the customer service was top-notch.
Mark Clark –
I’m really impressed with this ECM for my 2010 GMC Sierra. The unit arrived quickly, and it was truly plug-and-play, making installation straightforward without any hiccups. The communication from the seller was clear and professional, which made the entire process stress-free. Compared to dealer prices, this saved me a significant amount, and the performance has been flawless so far.
Frank Cox –
I recently purchased the 2010 GMC Sierra 5.3L ECM from this seller, and I’m very impressed with the whole experience. The unit arrived quickly with free shipping, which was a nice bonus. What stood out most was the professional VIN programming service—they had it ready to plug and play right out of the box. It fit perfectly and my truck runs like new again.