Description
2005 Cadillac CTS 2.8L ECM / ECU – VIN Programmed | Updated
This Engine Control Module (ECM / ECU) is a genuine OEM replacement for all 2005 Cadillac CTS 2.8L 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




Chris Foster –
The ECM arrived quickly with free shipping and was perfectly programmed for my 2005 CTS—installation was a breeze.
Great service and quick answers to my questions made the whole process stress-free.
Received my ECU fast, and the plug-and-play setup meant I was back on the road in no time.
Super impressed with the professional programming and the speedy turnaround on my order.
Very reasonable shipping costs and excellent communication throughout the entire purchase.
Steven Campbell –
Fast shipping and the ECU was truly plug-and-play, saving me a bundle over dealer prices. Installation was smooth and their service was top-notch.
Benjamin Edwards –
I’m really impressed with this ECM for my 2005 Cadillac CTS. The shipping arrived much sooner than I expected, and the unit was truly plug-and-play—no headaches during installation at all. The whole experience saved me a ton compared to dealer prices, and the seller kept communication clear and helpful throughout the process. Definitely a smooth and professional service I’d recommend to anyone needing an ECU replacement.