Description
2007 Buick LaCrosse 3.8L TCM Transmission Control Module – Programmed Plug & Play
This Transmission Control Module (TCM / TCU) is a genuine OEM replacement for all 2007 Buick LaCrosse 3.8L 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
Adrian Gray –
This transmission control module was exactly what I needed for my 2007 Buick LaCrosse. Installation was straightforward since it arrived pre-programmed, so I just plugged it in and went on my way. The shipping was quicker than expected, and the unit has been performing flawlessly with no issues at all. Definitely a reliable replacement that saved me a lot of hassle.
Kyle Clark –
Super fast shipping and the plug-and-play setup made installing the TCM on my 2007 LaCrosse a breeze. Great service all around!
The programming service was spot on, and they answered all my questions quickly. Highly recommend this TCM for anyone needing a reliable replacement.
Received my TCM quickly with free shipping, and it worked perfectly right out of the box—no hassle at all!
Samuel Edwards –
I was a bit nervous ordering a replacement transmission control module for my 2007 Buick LaCrosse, but this one made the install so easy. It arrived sooner than I expected and came pre-programmed, so I just plugged it in and everything worked perfectly right away. No need for any extra coding or trips to the mechanic, which saved me a ton of hassle and money. The car shifts smoothly now, and I couldn’t be happier with how everything turned out. Definitely recommend this part to anyone needing a quick, reliable fix.
Mark Walker –
This TCM module was exactly what my Buick needed—quick install and flawless performance right out of the box. Super happy with the fast delivery too!