Description
2014 Chevrolet Express 6.6L ECM / ECU – VIN Programmed | Updated
This Engine Control Module (ECM / ECU) is a genuine OEM replacement for all 2014 Chevrolet Express 6.6L 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
Adam Russell –
I ordered the 12660026 ECM for my 2014 Chevrolet Express and was really impressed with how smooth the whole process went. The unit arrived quickly with free shipping, which was a nice bonus. Their team also handled the VIN programming for me, so it was truly plug-and-play once it showed up. Communication was spot on, and I felt confident every step of the way.
Kyle Peterson –
The shipping was super fast and the ECU was truly plug-and-play. Saved me a ton compared to dealer prices and installation went smoothly with great communication.
Scott Page –
I was a bit nervous about replacing the ECM on my 2014 Chevrolet Express, but this unit arrived already VIN programmed, which made the whole process so much easier. The plug-and-play setup saved me a ton of time, and the quality feels top-notch compared to the old one. Shipping was surprisingly fast and didn’t cost an arm and a leg, which was a nice bonus. I had a couple of questions before ordering, and the customer service team got back to me quickly and clearly, which really helped me feel confident in my purchase. Overall, a smooth experience from start to finish.
James Burton –
I was really impressed with how quickly the 12660026 ECM arrived—it shipped faster than I expected. The unit came already VIN programmed, making the installation straightforward and completely plug-and-play. This saved me a ton compared to what the dealer quoted, and their customer support was very responsive when I had a couple of questions. Overall, a smooth and hassle-free experience that got my 2014 Chevy Express back on the road in no time.
Noah Cox –
The VIN programmed ECM arrived quickly with free shipping, and it worked perfectly right out of the box—highly recommend this reliable service.
Neil Stewart –
I recently purchased the 12660026 ECM for my 2014 Chevrolet Express 6.6L, and I’m really impressed with the whole experience. The unit arrived quickly, and the shipping cost was very reasonable, which was a nice bonus. What stood out most was how smoothly the plug-and-play programming worked—no need for extra trips to a mechanic. Their team was also super helpful when I had a couple of questions before ordering, responding promptly and clearly. Overall, this replacement made my vehicle run like new again, and I couldn’t be happier with the quality and service.