Description
2012 GMC Yukon 5.3L ECM / ECU – VIN Programmed | Updated
This Engine Control Module (ECM / ECU) is a genuine OEM replacement for all 2012 GMC Yukon 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




Scott Brown –
I was really impressed by how quickly the 2012 GMC Yukon ECM arrived—shipping was definitely faster than I expected. Installing it was surprisingly simple since the unit was completely plug-and-play, which saved me a lot of headaches. The programming matched my VIN perfectly, and everything worked flawlessly right away. Choosing this service over going to the dealer ended up saving me a significant amount of money, which I appreciated. The team was professional and kept me informed throughout the process, making the whole experience smooth and hassle-free. Overall, a great buy that I would recommend to anyone needing a replacement ECM.
Kevin Torres –
I was a bit nervous about ordering an ECM online, but this 2012 GMC Yukon 5.3L unit arrived quickly and exactly as described. The VIN programming was spot on, and the plug-and-play setup made installation straightforward without any hiccups. Customer service was fantastic—they answered all my questions within hours and kept me posted throughout the whole process. Shipping was free, which was a nice bonus, especially on a product like this. Overall, I’m really impressed with the quality and professionalism from start to finish.
Logan Marshall –
The ECU arrived quickly with free shipping, and the plug-and-play setup made installation a breeze. Excellent communication throughout the process kept me confident in my purchase.
Jack Bailey –
Fast shipping and the plug-and-play unit worked perfectly—this saved me a ton compared to dealer prices. Smooth install and great customer support made the whole process hassle-free.
Keith Allen –
I purchased the 2012 GMC Yukon 5.3L ECM from this seller and was impressed by the quick turnaround time. The unit arrived VIN programmed and ready to go, which made installation straightforward and hassle-free. Shipping was very reasonable, and the team kept me informed throughout the entire process. Overall, a great experience with a reliable product.
Andrew Roberts –
The 2012 GMC Yukon ECM arrived quickly, and I was impressed with how straightforward the installation process was—simply plugged it in and it worked perfectly. The fact that it was VIN programmed saved me a ton compared to dealer pricing, which was a huge relief. Customer support was responsive and professional throughout, making the whole experience smooth and hassle-free. Overall, a fantastic purchase that definitely met my expectations.
Trevor Sanders –
I was really impressed with how smoothly everything went ordering the ECM for my 2012 GMC Yukon. The unit arrived quickly with free shipping, which was a nice bonus. What stood out most was the plug-and-play programming they provided—once I installed it, my truck started right up with no issues. Their team also kept me updated throughout the process, which gave me a lot of confidence. Overall, a hassle-free experience and the ECM works perfectly.