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
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!