Restore Your Buick’s Signature Smooth Ride
Is your Buick Lucerne suffering from harsh, erratic shifting, or getting stuck in ‘limp mode’? These are classic signs of a failing Transmission Control Module (TCM), a critical component that acts as the brain for your automatic transmission. A faulty TCM can ruin the comfortable, quiet ride your Lucerne was designed for, causing stress and uncertainty on the road. This replacement GM T42 TCM is the definitive solution, arriving pre-programmed to your vehicle’s specific VIN for a seamless, plug-and-play installation that restores factory performance and peace of mind.
Common Symptoms & Your Solution
If you’re experiencing any of the following issues, a failing TCM is the likely culprit. This module is engineered to resolve these problems directly:
- Abrupt, harsh, or delayed gear shifts
- Vehicle stuck in a single gear (limp mode)
- Illuminated Check Engine Light or transmission warning light
- Diagnostic Trouble Codes (DTCs) such as P0700, P0750, or other solenoid-related codes
- Failure to upshift or downshift correctly
- Noticeable decrease in fuel economy
Installing this pre-programmed 2006-2011 Buick Lucerne transmission control module is the most effective way to correct these issues without an expensive trip to the dealership for programming.
Features & Benefits
- ✔ VIN Programmed for Your Lucerne: This module is flashed with the latest GM software and programmed specifically to your vehicle’s VIN. This ensures perfect communication between the engine and transmission for optimal shift points, fuel efficiency, and performance right out of the box.
- ✔ Eliminate Dealership Hassles: Because the unit arrives ready to install, you completely bypass the need for expensive diagnostic and programming services from a dealership or specialized shop.
- ✔ Restore Smooth Operation: By precisely managing torque converter lockup and gear changes, this TCM will restore the smooth, predictable performance you expect from your Buick.
- ✔ Built to OEM Standards: Manufactured to meet or exceed original equipment specifications, this module ensures long-term reliability and durability for your daily commute.
- ✔ Warranty Protection: This unit is backed by our one-year replacement warranty.
Expert Insight: The Critical Role of VIN Programming
In modern vehicles like your Buick Lucerne, the TCM doesn’t just shift gears; it’s part of a complex network of computers. It constantly communicates with the Engine Control Module (ECM) and other sensors. A generic, unprogrammed module simply won’t work correctly. It can cause persistent error codes, poor performance, or even damage to your transmission. Our VIN programming service ensures that the replacement 2006-2011 Buick Lucerne transmission control module is a perfect digital match for your car, just like the original part from the factory. This is the secret to a successful, lasting repair.
This T42 TCM is a direct replacement for service numbers 24242391, 24234503, 24252114, and YNXS, among others. For the 2006-2011 Lucerne, this module is typically located in the LH engine compartment, making it accessible for a straightforward installation. By choosing this expertly prepared 2006-2011 Buick Lucerne transmission control module, you’re not just buying a part; you’re investing in a reliable, long-term solution to get your car driving perfectly again.
Frequently Asked Questions
What does a transmission control module do?
The TCM is a computer that controls your automatic transmission. It uses data from various sensors to determine the perfect time to shift gears, engage the torque converter, and regulate fluid pressure for smooth and efficient operation.
Is this part difficult to install?
For someone with basic mechanical skills, installation is straightforward. The module is typically located in the engine bay. The process involves disconnecting the battery, unplugging the electrical connectors from the old module, unbolting it, and then installing the new one in reverse order. Most installations take under 30 minutes.
Will this TCM fix my specific error codes like P0700?
Yes. This module is designed to resolve common transmission-related DTCs, including P0700 (Transmission Control System Malfunction) and various solenoid codes. Because it’s VIN-programmed, it correctly addresses the software and hardware faults that trigger these codes.
Do I need to take my car to the dealership after installation?
No. The primary benefit of this module is that it is pre-programmed to your vehicle’s VIN. This eliminates the need for any additional programming or setup at a dealership, saving you significant time and money.
What happens if I install a TCM that isn’t programmed to my VIN?
An unprogrammed or incorrectly programmed TCM will not communicate properly with your vehicle’s other computers. This can result in the vehicle not starting, not shifting out of park, immediate check engine lights, and persistent shifting problems.
Is there a core charge for this part?
No, there is no core charge required for this transmission control module. You can keep your old part without any hassle or need to return it.