Is your Buick Lucerne’s smooth, comfortable ride ruined by harsh shifting, delayed gear engagement, or a persistent check engine light? A failing Transmission Control Module (TCM) is often the culprit, disrupting the sophisticated electronics that manage your vehicle’s performance. This VIN-programmed T42 TCM is the definitive, hassle-free solution to restore the quiet, reliable operation you expect from your car, getting you back on the road with confidence and peace of mind.
Common Symptoms & Your Solution
If you’re experiencing any of the following issues, this module is designed to be the direct fix. It addresses the root cause of many frustrating transmission problems, eliminating guesswork and costly diagnostic fees. This replacement 2006-2011 Buick Lucerne transmission control module is engineered to resolve these exact symptoms:
- Harsh, erratic, or delayed shifting between gears
- Vehicle stuck in a single gear (often called “limp mode”)
- Illuminated Check Engine Light or Transmission Warning Light
- Diagnostic Trouble Codes (DTCs) such as P0700, P0750, or other solenoid-related faults
- Failure to upshift or downshift correctly
- Poor fuel economy and a feeling of lost power
Features & Benefits
- ✔ Plug-and-Play Installation: This module arrives pre-programmed to your vehicle’s specific VIN. This crucial step ensures perfect communication between the TCM and your Lucerne’s other systems, eliminating the need for an expensive trip to the dealership for programming.
- ✔ Restored Performance: By precisely managing shift points, torque converter lockup, and line pressure, this TCM restores the smooth, responsive shifting your vehicle had when it was new.
- ✔ OEM-Quality Engineering: Manufactured to meet or exceed original equipment standards for durability and function, ensuring reliable performance for years to come. This isn’t just a repair; it’s a long-term reliability solution.
- ✔ Broad Compatibility: This T42 module is a direct replacement for a wide range of original part numbers, including 24252114, 24234503, 24235732, and more, guaranteeing a perfect fit for your specific application.
- ✔ Warranty Protection: This unit is backed by our one-year replacement warranty.
Expert Insight: The Power of Pre-Programming
Many owners don’t realize that a new TCM won’t work correctly if it’s not programmed to the car’s unique Vehicle Identification Number (VIN). Buying a generic module means you still have to get the vehicle towed to a dealership or high-end shop for costly programming. Our process handles that for you. We flash the module with the latest GM software specific to your 2006-2011 Buick Lucerne transmission control module before it even ships. This saves you hundreds of dollars and days of downtime, turning a complex electronic repair into a straightforward, manageable job you can do right in your driveway.
Don’t let a faulty TCM compromise the safety and comfort of your vehicle. By choosing this pre-programmed 2006-2011 Buick Lucerne transmission control module, you are choosing a simple, reliable, and cost-effective path to resolving your transmission issues. Installation is simple, typically taking less than 30 minutes, and requires only basic hand tools.
Frequently Asked Questions
Do I need to have this module programmed by a dealer?
No. This module is delivered to you fully pre-programmed to your vehicle’s VIN. It is ready for installation right out of the box, saving you the time, cost, and hassle of a dealership visit.
Where is the TCM located on my 2006-2011 Buick Lucerne?
On the Buick Lucerne for these model years, the Transmission Control Module is typically located in the engine compartment on the driver’s side (LH side).
Is this the correct part for my car?
This T42 TCM is the specified part for 2006-2011 Buick Lucerne models. It is also a direct replacement for numerous GM part numbers like 24235732, 24242391, and 24252114. Providing your VIN at checkout ensures we program it for a perfect match.
What tools are required for installation?
Installation typically requires only basic hand tools, such as a socket set to disconnect the battery and remove the module’s mounting bolts. The electrical connectors simply unclip. No specialized equipment is needed.
Will this fix my P0700 trouble code?
A P0700 code is a general transmission fault request from the TCM to the main engine computer. While this module often resolves the underlying issue causing the P0700 code (like a solenoid fault), you should always diagnose any other related codes. After installation, it’s recommended to clear all codes with a standard scan tool.