Description
2008 Buick LaCrosse 3.6L TCM Transmission Control Module – Programmed Plug & Play
This Transmission Control Module (TCM / TCU) is a genuine OEM replacement for all 2008 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
Paul Ward –
This TCM module fit perfectly and got my 2008 LaCrosse shifting smoothly again—super quick delivery too!
Installation was a breeze with this plug-and-play unit, and my transmission runs like new without any hassle.
Perfect replacement part that worked right out of the box; saved me time and money.
Fast shipping and flawless performance—my Buick’s transmission feels solid and responsive once more.
Snapped right in and fired up instantly, making my car feel brand new again, highly recommend!
Cooper Russell –
Fast shipping and the plug-and-play setup made replacing my 2008 Buick LaCrosse TCM a breeze. Highly recommend!
Mark Ward –
This transmission control module fit my 2008 Buick LaCrosse perfectly and worked right out of the box with no programming needed. Installation was straightforward, and I appreciated how quickly it arrived. Since swapping it in, my shifting has been smooth and responsive again. Definitely a reliable replacement that saved me a lot on repairs.
Zachary Edwards –
I ordered the 2008 Buick LaCrosse 3.6L TCM Transmission Control Module and was really impressed with how smoothly everything went. The plug-and-play setup made installation straightforward, saving me a lot of time and hassle. Shipping was free and arrived faster than expected, which was a nice bonus. Overall, the TCM is working perfectly, and the whole process was hassle-free.
Jeremy Morris –
I was really impressed with how smoothly the whole process went. The 2008 Buick LaCrosse TCM arrived programmed and ready to go, which saved me a ton of time and hassle. The plug-and-play setup made installation straightforward, and it worked perfectly right away. Shipping was also very reasonable, and the package arrived sooner than I expected. Overall, great quality and a hassle-free experience—I’ll definitely keep this seller in mind for future needs.