Description
2007 Buick LaCrosse 3.6L TCM Transmission Control Module – Programmed Plug & Play
This Transmission Control Module (TCM / TCU) is a genuine OEM replacement for all 2007 Buick LaCrosse 3.6L models. Each unit is pre-programmed to your vehicle’s VIN and updated to the latest manufacturer calibration for a true plug-and-play installation with no dealer visit required.
Built to OEM standards for reliability, shift quality, and long-term performance.
Strict Testing & Quality Assurance
Each TCM is fully refurbished, bench-tested, and inspected by our certified in-house technicians.
We use professional off-board testing equipment to verify:
Proper CAN-bus communication
Shift-solenoid activation
Input/Output sensor signal validation
Temperature and load simulation
Live-data performance under simulated driving conditions
No module leaves our facility without passing a full quality control inspection. This ensures you receive a unit that performs better than new at an unbeatable value.
Common Symptoms of a Faulty TCM
Hard shifting / delayed shifting
Gear slipping
Stuck in Limp Mode
Transmission overheating
Erratic gear changes
Poor fuel economy
Trouble codes related to shift solenoids or communication
Important Note
This TCM is fully programmed and updated and does not require additional programming after installation.
Simply install the unit and the vehicle will recognize it automatically.
If your original TCM has unique calibration or custom parameters, we also offer a TCM Cloning Service, which transfers all data-including VIN, shift adaptations, and configuration settings-into the replacement unit.
Contact Us
Email: info@fixecm.com
Phone: Local: 647-247-8555 | Toll-Free: 1-800-915-5566



Kevin Turner –
This Transmission Control Module fit perfectly and was exactly what I needed for my 2007 Buick LaCrosse. Installation was straightforward, and the plug-and-play design saved me a lot of hassle. The unit arrived quickly, and after swapping it out, my transmission shifted smoothly again without any issues. Very satisfied with the quality and service.
Trevor Anderson –
I ordered the 2007 Buick LaCrosse 3.6L TCM Transmission Control Module and was really impressed with the plug-and-play setup. Installation was straightforward, and the module worked perfectly right away. The company provided excellent communication throughout the process and answered all my questions quickly, which made me feel confident about my purchase. Plus, the shipping was reasonably priced and arrived faster than expected.
Nathan Torres –
This TCM module fit perfectly and had my transmission running smoothly again within minutes—super easy installation! Shipping was quick, and the support team was very helpful.
Miguel Roberts –
Got the 2007 Buick LaCrosse TCM with plug-and-play programming—installation was a breeze and it shipped quickly with no extra cost. Excellent quality and the team answered all my questions promptly!