Restore Your Buick’s Signature Smooth Ride
Is your 2006-2011 Buick Lucerne suffering from harsh, unpredictable shifting, getting stuck in gear, or displaying a check engine light? A failing Transmission Control Module (TCM) is often the culprit, disrupting the quiet, comfortable performance you expect from your vehicle. Our VIN-programmed T42 TCM is the definitive, hassle-free solution to restore your transmission’s precise operation and your driving confidence. This module arrives ready for a plug-and-play installation, saving you a costly and time-consuming trip to the dealership.
Common Symptoms & Your Solution
If you’re experiencing any of the following issues, a faulty TCM is the likely cause. This pre-programmed module is designed to be the complete fix for these problems:
- Abrupt, harsh, or erratic gear shifts
- Delayed engagement when shifting into Drive or Reverse
- Vehicle stuck in “limp mode” (typically 2nd or 3rd gear)
- Active 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 properly
- Noticeable decrease in fuel economy
By replacing your old unit with this expertly prepared 2006-2011 Buick Lucerne transmission control module, you directly address the electronic source of these frustrating and potentially damaging issues.
Features & Benefits
- โ Plug & Play Installation: This module is pre-programmed to your car’s specific Vehicle Identification Number (VIN). This critical step ensures perfect communication with your vehicle’s other systems right out of the box, with no additional programming required.
- โ Restore Factory Performance: By installing a properly functioning TCM with the latest GM software updates, you’ll restore the crisp, smooth shifting and optimal fuel efficiency your Lucerne was designed to deliver.
- โ Cost-Effective Solution: Avoid the high costs and scheduling hassles of dealership service departments. This is a professional-grade repair you can perform quickly in your own driveway.
- โ Built for Reliability: Constructed to meet or exceed original equipment standards, this module ensures dependable, long-term performance for your daily commute or long road trips.
- โ Purchase with Confidence: This unit is backed by our one-year replacement warranty.
A Technician’s Note on VIN Programming
Many people buy a used TCM only to find it won’t work because it’s electronically locked to the original vehicle’s VIN. Our pre-programming service eliminates this critical failure point. We load your car’s specific VIN and the latest GM software onto the 2006-2011 Buick Lucerne transmission control module *before* it ships. This ensures all communication between your engine, transmission, and other systems is perfectly synchronized from the moment you plug it in. It’s not just a convenience; it’s the key to a successful and lasting repair.
Frequently Asked Questions
Do I need to take this part to a dealership to be programmed?
Absolutely not. This module comes fully pre-programmed to the VIN you provide during checkout. It is ready for installation as soon as you receive it, making it a true plug-and-play solution.
Will this fit my 2009 Buick Lucerne with the 4.6L engine?
Yes, this T42 TCM is the correct fitment for all 2006-2011 Buick Lucerne models, regardless of engine size. It is also compatible with a wide range of other GM vehicles listed in the fitment guide.
Will this module fix a P0700 trouble code?
A P0700 code is a general fault code, indicating that the TCM has detected a problem and requested the check engine light. While this module often resolves the root cause of a P0700 code, it’s always best to have the specific transmission codes read to confirm the diagnosis.
Is installation difficult?
Installation is straightforward for someone with basic mechanical skills. On the Buick Lucerne, the TCM is typically located in the engine compartment on the driver’s side. The process involves disconnecting the battery, unplugging the electrical connectors, unbolting the old module, and installing the new one. The entire job can usually be completed in under 30 minutes.
Is there a core charge for my old part?
No, there is no core charge. You can keep your old part without the hassle of needing to return it.
Don’t let a faulty TCM compromise your vehicle’s safety and comfort. Order your pre-programmed 2006-2011 Buick Lucerne transmission control module today and get back to driving with confidence.