Description
2011 Buick LaCrosse 2.4L ECM / ECU – VIN Programmed | Plug & Play
This Engine Control Module (ECM / ECU) is a genuine OEM replacement for all 2011 Buick LaCrosse 2.4L models.
Each unit is VIN-programmed, updated, and fully tested for a true plug-and-play installation with no dealer visit required.
Built to OEM standards for reliability, calibration accuracy, and long-term performance.
Strict Testing & Quality Assurance
Every ECU is inspected, refreshed, and verified through advanced diagnostic tools. Testing includes:
-
Complete communication & CAN-bus verification
-
Sensor input/output and signal integrity checks
-
Injector & ignition pulse simulation
-
Power, ground, and load-circuit analysis
-
Flash memory integrity and checksum validation
-
Thermal and voltage-stress testing to confirm reliability
This ensures a fully functional, reliable, plug-and-play module you can install with confidence.
Important Note
Some vehicles equipped with IMMO (Immobilizer) or PATS (Passive Anti-Theft System) may require additional key programming after installation. This is normal for models where security data must be synchronized with the vehicle’s body control system.
For a 100% plug-and-play solution with no relearns, no key programming, and no compatibility issues, we recommend our ECU Cloning Service, which transfers all original security, immobilizer, and configuration data directly into the replacement unit.
Contact Us
Email: info@fixecm.com
Phone: Local: 647-247-8555 | Toll-Free: 1-800-915-5566
James Murphy –
The ECM arrived quickly and was exactly as described for my 2011 Buick LaCrosse. Installation was straightforward, and it fit perfectly without any additional programming on my end. The engine runs smoothly now, and I’m really impressed with how seamless the whole process was. Customer support was also responsive when I had a couple of questions, which made things easier.
Carlos Lewis –
I was a bit nervous ordering an ECM online, but this 2011 Buick LaCrosse ECU exceeded my expectations. It arrived much faster than I anticipated, carefully packaged, and ready to go right out of the box. Installing it was surprisingly straightforward—I didn’t have to fiddle with any complicated programming since it came VIN programmed. Once installed, my car fired up immediately and has been running smoothly ever since. It’s such a relief to have my LaCrosse back on the road without any engine hiccups. Definitely a solid buy for anyone needing a hassle-free replacement.
Dylan Kelly –
Installed this ECM in minutes and my 2011 LaCrosse runs like new—super impressed with how easy it was. Shipping was quick too!