Is Your Buick Lucerne Shifting Erratically or Stuck in Gear?
Unpredictable shifting, warning lights, and a car that won’t get out of ‘limp mode’ are more than just an annoyance—they’re a serious concern for your vehicle’s reliability. A faulty Transmission Control Module (TCM) is often the root cause, disrupting your Lucerne’s smooth, comfortable ride and leaving you worried about expensive dealership repairs. This pre-programmed T42 TCM is the definitive solution, designed to restore your transmission’s performance and your peace of mind without the hassle.
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:
- Harsh, delayed, or erratic gear changes
- Vehicle stuck in a single gear (limp mode)
- Check Engine Light or Transmission Warning Light is on
- Diagnostic Trouble Codes (DTCs) such as P0700, P0750, or other solenoid-related faults
- Failure to upshift or downshift properly
- Poor fuel economy and transmission overheating
By replacing your old unit with our precisely configured 2006-2011 Buick Lucerne transmission control module, you are installing a permanent fix. It arrives ready to install, communicating flawlessly with your vehicle’s systems to restore the smooth, responsive shifting you expect.
Key Features & Tangible Benefits
- ✔ Plug-and-Play Installation: This module is professionally programmed to your vehicle’s specific VIN. This crucial step ensures perfect compatibility and eliminates the need for an expensive trip to the dealership for programming.
- ✔ Restored Performance: Regain crisp, smooth shifts and proper torque converter operation. Our T42 TCM corrects the command signals that cause poor transmission behavior, bringing back factory performance.
- ✔ Built to OEM Standards: Engineered for durability and reliability, this module meets or exceeds original equipment specifications, ensuring it can handle the demands of daily driving.
- ✔ Broad Compatibility: This is a direct replacement for multiple GM service numbers, including 24242391, 24234503, and 24252114, making it a versatile solution for many models beyond the Lucerne.
- ✔ This unit is backed by our one-year replacement warranty.
Expert Insight: Why VIN Programming is Non-Negotiable
In modern vehicles, the TCM isn’t just a simple computer; it’s the brain of your transmission, constantly communicating with the Engine Control Module (ECM) and other systems. A generic, non-programmed module simply won’t work correctly. It can lead to persistent error codes, poor performance, and even damage to your transmission. Our VIN programming service uses the latest GM software updates to load your vehicle’s unique calibration file onto the module before it ships. This ensures that when you install your new 2006-2011 Buick Lucerne transmission control module, it works perfectly right out of the box, saving you hundreds in dealership fees and hours of frustration.
Don’t let a faulty TCM dictate how your vehicle drives. This is the most effective way to solve complex transmission problems and get your car running reliably again. With this pre-programmed 2006-2011 Buick Lucerne transmission control module, you’re not just buying a part; you’re buying a solution.
Frequently Asked Questions
Do I need to have this module programmed by a dealer?
No. We pre-program the module to your vehicle’s VIN before shipping. It will arrive ready for a plug-and-play installation, with no additional programming or dealership visits required.
Where is the TCM located on my Buick Lucerne?
On the 2006-2011 Buick Lucerne, the Transmission Control Module is typically located in the engine compartment on the driver’s side (LH side). Always disconnect the battery before beginning the replacement process.
Will this fix a P0700 trouble code?
A P0700 code is a general transmission fault code, indicating that the TCM has detected a problem. While a faulty TCM itself can cause this code, it often appears alongside more specific codes. This module is designed to resolve the internal electronic failures that trigger these faults.
Is this installation difficult for a DIY mechanic?
The physical replacement is generally straightforward for someone with basic mechanical skills and can often be completed in under an hour. It involves disconnecting the battery, unplugging the electrical connectors, and unbolting the old module. After installing the new one, reconnect everything and use a basic scan tool to clear any stored codes.
Is there a core charge for my old part?
No, there is no core charge required for this part. You can keep or dispose of your old module without the hassle of returning it.