Description
2005 Cadillac CTS 3.6L ECM / ECU – VIN Programmed | Updated
This Engine Control Module (ECM / ECU) is a genuine OEM replacement for all 2005 Cadillac CTS 3.6L 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
Elijah Gonzalez –
Received my ECM quickly with free shipping and it was perfectly programmed for my 2005 CTS—fit right in with no hassle.
Great communication throughout the process and the updated ECU worked flawlessly as soon as I installed it.
They handled the VIN programming professionally, and the part arrived fast; saved me a ton of time and headache.
Super impressed with the plug-and-play setup—had my CTS running like new within minutes.
The shipping was really reasonable, and their support team answered all my questions without delay.
Oliver Foster –
I ordered the 2005 Cadillac CTS ECM and was impressed by the fast turnaround and the quality of the programming. The unit arrived already VIN programmed, which made installation straightforward without any extra hassle. Shipping was free and arrived sooner than expected, and their team was quick to answer my questions when I reached out for advice. Overall, a smooth experience from start to finish.
Luke Sharp –
Shipping was super quick and the unit was completely plug-and-play, saving me a ton compared to dealer prices. Installation was smooth and their communication was spot on.
Keith Baker –
The 12611826 ECM for my 2005 Cadillac CTS arrived really quickly and was exactly as described. Installation was straightforward since it came VIN programmed and plug-and-play, which saved me a ton compared to dealer prices. The whole process was smooth, and the team’s communication kept me informed every step of the way. I’m very satisfied with the quality and professional service.