Restore Your Buick’s Flawless Performance
Is your Buick Lucerne suffering from harsh, erratic shifting, getting stuck in gear, or displaying a persistent check engine light? These are classic signs of a failing Transmission Control Module (TCM). Don’t let a faulty computer disrupt your smooth ride or lead to more costly transmission damage. This professionally programmed T42 TCM is the definitive, plug-and-play solution to restore your vehicle’s precise shifting and get you back on the road with confidence.
Common Symptoms & Your Solution
A failing TCM can make your vehicle feel unreliable and unsafe. If you’re experiencing any of the following, this module is the solution you need. It’s engineered to resolve these exact issues, saving you a costly and time-consuming trip to the dealership. The right 2006-2011 Buick Lucerne transmission control module is critical for restoring your car’s functionality.
- Harsh or delayed gear engagement
- Vehicle stuck in “limp mode” (usually 2nd or 3rd gear)
- Check Engine Light or Transmission Warning Light is on
- Diagnostic Trouble Codes (DTCs) such as P0700, P0750, or other solenoid-related codes
- Inability to upshift or downshift properly
- Poor fuel economy and transmission overheating
Features & Tangible Benefits
- ✔ 100% Plug-and-Play: This module arrives pre-programmed to your vehicle’s specific VIN. Simply install it, and you’re ready to go—no expensive dealership programming required.
- ✔ Restored Shift Quality: By managing shift points, line pressure, and torque converter lockup with precision, this TCM eliminates harsh shifts and hesitation, restoring the smooth performance you expect.
- ✔ Lasting Reliability: Built to strict OEM standards, this module is designed for durability and longevity, ensuring it can handle the demands of daily driving for years to come.
- ✔ Cost-Effective Repair: Avoid the high costs of dealership parts and labor. This is an intelligent, affordable solution for both DIY mechanics and professional shops. Finding a quality 2006-2011 Buick Lucerne transmission control module shouldn’t break the bank.
- ✔ Broad Compatibility: This T42 module is a direct replacement for a wide range of GM service numbers, including 24252114, 24234503, and 24255280, ensuring a perfect fit.
- ✔ This unit is backed by our one-year replacement warranty.
An Expert’s Note on VIN Programming
As a technician with over 20 years of experience, I can’t overstate the importance of VIN programming. An un-programmed module is just a metal box; it doesn’t know your vehicle’s specific engine, tire size, or axle ratio. Our pre-programming service writes the latest GM software directly to the module using your VIN. This ensures that from the moment you plug it in, it communicates perfectly with your vehicle’s other computers, delivering optimal performance and fuel efficiency without any additional steps. It’s the difference between a quick, successful repair and a frustrating, ongoing problem.
By installing this high-quality 2006-2011 Buick Lucerne transmission control module, you are not just replacing a part; you are restoring the core dependability and comfort of your vehicle. Order now and experience the difference a properly functioning transmission makes.
Frequently Asked Questions
Do I need to have this module programmed by a dealer?
No. This module comes fully pre-programmed to your vehicle’s VIN. It is a true plug-and-play solution, designed to work immediately upon installation without any need for additional programming or dealer intervention.
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 vehicle’s battery before starting the replacement process.
Is this part difficult to install?
For someone with basic mechanical skills, the installation is straightforward and usually takes less than 30 minutes. It involves disconnecting the battery, unplugging the electrical connectors from the old module, unbolting it, and then installing the new one in its place.
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 this module often resolves the root cause, it’s essential to diagnose any other codes that are present. In many cases where the TCM itself is faulty, replacing it will clear the P0700 code after installation.
What happens if I don’t replace a failing TCM?
Ignoring a failing TCM can lead to progressively worse shifting, reduced fuel economy, and eventually, severe internal damage to your transmission due to incorrect fluid pressures and shift commands. A timely replacement can save you from a much more expensive transmission rebuild down the road.