Description
2019 Buick LaCrosse 3.6L ECM / ECU – VIN Programmed | Updated
This Engine Control Module (ECM / ECU) is a genuine OEM replacement for all 2019 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
Jose Lopez –
The VIN programmed ECM arrived quickly with free shipping, and it fit my 2019 Buick LaCrosse perfectly—highly recommend their professional setup service.
Elliot Payne –
Fast shipping and the plug-and-play ECM fit perfectly; saved me a bundle over dealer prices and the installation was a breeze. Great communication and quick turnaround made this a smart choice.
Frank James –
I was really impressed with how quickly the ECM arrived after I placed my order, and it was truly plug-and-play with no headaches during installation. The unit was already VIN programmed, which saved me a ton of time and hassle compared to dealer options. Their customer support was responsive and made the whole process feel smooth and professional. Overall, the savings were significant and the quality exceeded my expectations.