Description
2007 Buick LaCrosse 3.6L ECM / ECU – VIN Programmed | Plug & Play
This Engine Control Module (ECM / ECU) is a genuine OEM replacement for all 2007 Buick LaCrosse 3.6L 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:
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Complete communication & CAN-bus verification
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Sensor input/output and signal integrity checks
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Injector & ignition pulse simulation
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Power, ground, and load-circuit analysis
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Flash memory integrity and checksum validation
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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
Aaron Hall –
Installed it myself in under an hour—worked flawlessly right out of the box. Super happy with the quick delivery and hassle-free setup!
Tyler Richardson –
I was a bit nervous about replacing the ECM on my 2007 Buick LaCrosse, but this unit made the whole process surprisingly simple. It arrived quickly, and since it was already programmed to my VIN, all I had to do was plug it in. The engine fired right up with no issues, and I could tell immediately that the car was running smoother. I appreciate the clear instructions and the responsive tech support team who answered a couple of my questions. Definitely a hassle-free swap that saved me a lot of time and stress.
Tyler Evans –
I was a bit nervous about replacing the ECM on my 2007 Buick LaCrosse, but this VIN programmed unit made the whole process incredibly smooth. It arrived much sooner than I expected, and installation was truly plug-and-play—no complicated setup or additional programming needed on my end. As soon as I installed it, my car fired right up without any error codes or weird behavior. It feels like the car is running better than it has in years. Definitely a quality product that saved me time and a lot of hassle.
Jorge Adams –
I was a bit nervous ordering an ECM for my 2007 Buick LaCrosse, but this unit arrived quickly and was already VIN programmed, making installation incredibly straightforward. It literally was plug and play—no headaches or extra tuning required. After swapping it in, the car fired up smoothly and runs like new again. The seller’s communication was also very helpful when I had a couple of questions before buying.