Restore Your Buick’s Signature Smooth Ride
Is your Buick Lucerne’s once-graceful ride now plagued by harsh, unpredictable shifting? A faulty Transmission Control Module (TCM) can turn your comfortable sedan into a source of daily frustration. This VIN-programmed T42 TCM is the definitive solution, designed to restore the precise, seamless gear changes and dependable performance you expect from your vehicle. By replacing the malfunctioning electronic brain of your transmission, you can put an end to warning lights and drive with renewed confidence.
Common Symptoms & Your Solution
If you’re experiencing any of the issues below, a failing TCM is the most likely culprit. This pre-programmed module is engineered to be the direct fix for the root cause of these problems, eliminating the guesswork and costly dealership visits. This is the solution for your 2006-2011 Buick Lucerne transmission control module if you have:
- Abrupt, harsh, or delayed gear shifts
- The vehicle getting stuck in “limp mode” (usually 2nd or 3rd gear)
- An illuminated Check Engine Light or Transmission Warning Light
- Diagnostic Trouble Codes (DTCs) such as P0700, P0750, or other solenoid-related faults
- A complete failure to shift up or down
- Noticeably poor fuel economy and a feeling of sluggishness
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 engine and transmission, eliminating the need for expensive programming at a dealership.
- ✔ Restored Performance: By precisely managing shift points and torque converter lockup, this TCM restores the smooth, responsive acceleration your Lucerne was built for.
- ✔ Lasting Reliability: Manufactured to strict OEM standards, this component is built to withstand the demands of daily driving, ensuring a durable and dependable repair for years to come.
- ✔ Clear Fault Codes: A new, properly functioning 2006-2011 Buick Lucerne transmission control module is essential for resolving persistent transmission-related error codes and turning off that nagging check engine light.
- ✔ 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 isn’t just a simple switch; it’s a sophisticated computer that uses data from dozens of sensors to make millisecond decisions. VIN programming loads the exact software and calibrations your specific vehicle needs, accounting for its engine, final drive ratio, and tire size. Installing a generic, non-programmed module is like giving your transmission amnesia—it doesn’t know how to operate correctly, leading to the same shifting problems or even new ones. Our pre-programming service ensures this part works perfectly right out of the box, saving you time, money, and headaches.
Don’t let a faulty computer compromise the comfort and safety of your vehicle. Installing this replacement 2006-2011 Buick Lucerne transmission control module is a straightforward process that restores your car’s functionality and your peace of mind. Order today and get your Buick driving smoothly again.
Frequently Asked Questions
Is this part truly plug-and-play?
Yes. We program the module to your vehicle’s VIN before it ships. This means it’s ready for installation right out of the box with no additional programming or dealer visits required. Simply install the part, disconnect the battery for 15 minutes to clear any adaptive memory, and you’re ready to go.
Will this fix a P0700 trouble code?
A P0700 code is a general fault code indicating the TCM has detected a problem. While this module often resolves the root cause of a P0700, it’s always wise to have the specific secondary codes (like P0751, P0756, etc.) read by a scanner to confirm the diagnosis. In most cases where the TCM is faulty, this part is the correct solution.
Where is the TCM located on my 2006-2011 Buick Lucerne?
On the Buick Lucerne, the Transmission Control Module is typically located in the engine compartment on the driver’s side (LH), often near or as part of the air cleaner box assembly. Always disconnect the vehicle’s battery before attempting removal or installation.
Do I need to return my old TCM?
No, there is no core charge for this part. You can keep your old module, which saves you the time and expense of shipping it back.
How do I ensure this is the correct part for my car?
This module is the correct fit for 2006-2011 Buick Lucerne models. During checkout, you will be prompted to enter your vehicle’s VIN. This allows us to verify the exact fitment and apply the correct programming for your specific car, guaranteeing compatibility.