Description
2008 Buick Lucerne 4.6L TCM Transmission Control Module – Programmed Plug & Play
This Transmission Control Module (TCM / TCU) is a genuine OEM replacement for all 2008 Buick Lucerne 4.6L 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
Robert Nelson –
The plug-and-play setup made installation a breeze, and the free shipping was a nice bonus. Communication was clear and quick throughout the process.
Isaac Marshall –
I was a bit nervous about ordering a Transmission Control Module for my 2008 Buick Lucerne, but this plug-and-play TCM exceeded my expectations. The programming service was handled professionally, so it was ready to install right out of the box. Shipping was reasonably priced, and it arrived sooner than I anticipated. After installation, the transmission shifted smoothly without any issues. Overall, a hassle-free experience that got my car back on the road quickly.
Scott Hill –
This transmission control module was exactly what my 2008 Buick Lucerne needed. It arrived quickly and was already programmed, so installation was straightforward with no extra tuning required. Since swapping it out, the shifting has been smooth and responsive, and I feel confident that this fix will last. The seller also answered a couple of my questions promptly, which was a nice bonus.
James Perez –
I needed a replacement TCM for my 2008 Buick Lucerne, and this plug-and-play module worked perfectly. The programming was already done, so installation was straightforward with no extra hassle. Shipping was free and arrived faster than I expected, which was a nice bonus. Customer support was also very responsive when I had a couple of questions before ordering.
Diego Gray –
I was a bit nervous about replacing the transmission control module myself, but this programmed plug-and-play unit for my 2008 Buick Lucerne made the whole process surprisingly smooth. It arrived quickly and was clearly labeled, so installation was straightforward without needing extra coding or trips to the mechanic. Once installed, my transmission shifted perfectly, and the check engine light never came back on. The quality feels solid, and I appreciate not having to fuss with complicated programming. Definitely a relief to get my car running right again without any hassle.
Victor Phillips –
I was a bit nervous about replacing the transmission control module myself, but this unit made the process surprisingly smooth. It arrived quickly and was already programmed, so all I had to do was plug it in and everything fired right up without any issues. My Buick Lucerne had been shifting roughly for months, but now it drives like new again. The fit and finish seem just like the original, and I didn’t need to mess around with any complicated setup. Honestly, this was one of the easiest fixes I’ve done on a car, and it’s saved me a lot on mechanic fees.
Eric Bailey –
I was really impressed with how smoothly the installation went on this transmission control module for my 2008 Buick Lucerne. The plug-and-play setup meant I didn’t have to worry about complicated programming or additional steps, which saved me a lot of time and hassle. Shipping was quick and affordable, arriving right when they said it would. I also appreciated the clear communication from the seller—they kept me informed every step of the way. Since installing it, my transmission shifts have been noticeably smoother, and the car feels like new again. Highly recommend this product and service!
Jacob Morgan –
Works perfectly and was ready to go right out of the box—had my transmission running smoothly in no time. Shipping was quick, which was a huge bonus!