Description
2005 Buick LaCrosse 3.6L ECM / ECU – VIN Programmed | Updated
This Engine Control Module (ECM / ECU) is a genuine OEM replacement for all 2005 Buick LaCrosse 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
Connor Green –
Fast shipping and a plug-and-play unit made installation a breeze, saving me a ton compared to dealer prices. Great communication and professional service throughout.
Patrick Foster –
Fast shipping and the ECU arrived perfectly programmed for my 2005 Buick LaCrosse—plug and play was exactly as promised.
Elijah Evans –
I was really impressed with how quickly the ECM arrived after I placed the order. Installation was straightforward since the unit was plug-and-play, which saved me a lot of hassle and time. The VIN programming was spot on, and the communication from the seller was clear and professional throughout the process. This service definitely saved me a significant amount compared to dealership repairs.