Restore Your Buick’s Signature Smooth Ride
Is your 2006-2011 Buick Lucerne suffering from harsh, erratic shifting or getting stuck in gear? These are frustrating problems that ruin the comfortable, premium driving experience you expect. A failing Transmission Control Module (TCM) is often the culprit, disrupting communication between your engine and transmission. This pre-programmed T42 TCM is the definitive, hassle-free solution to restore your vehicle’s performance and your peace of mind. It arrives programmed to your vehicle’s specific VIN, ensuring a seamless plug-and-play installation without a costly trip to the dealership.
Common Symptoms & Your Solution
If you’re experiencing any of the following issues, a faulty TCM is the likely cause. Our Programmed TCM for 2006-2011 Buick Lucerne is engineered to resolve these problems directly:
- Abrupt, harsh, or delayed gear shifts
- Vehicle stuck in “limp mode” (usually 2nd or 3rd gear)
- Illuminated Check Engine Light or Transmission Warning Light
- Diagnostic Trouble Codes (DTCs) such as P0700, P0750, or other solenoid-related codes
- Failure to upshift or downshift correctly
- A noticeable decrease in fuel economy
- Intermittent loss of communication with the transmission
Features & Benefits
- ✔ VIN Programmed for Your Buick: We program the module to your vehicle’s VIN before shipping. This ensures it works perfectly right out of the box, eliminating the need for expensive dealership programming or special tools.
- ✔ Restores Smooth Performance: By re-establishing precise control over shift points and torque converter lockup, this module brings back the smooth, responsive shifting your Lucerne is known for.
- ✔ Plug-and-Play Installation: Designed for a direct fit, this module can be installed in under 30 minutes. Simply disconnect the battery, swap the part, and reconnect. It’s a straightforward fix for a complex problem.
- ✔ Reliable OEM-Standard Quality: Built to meet or exceed original equipment specifications, this module provides dependable, long-lasting performance.
- ✔ Guaranteed Protection: This unit is backed by our one-year replacement warranty.
Expert Insight: Why VIN Programming is Non-Negotiable
From our two decades of experience, we can tell you that for modern GM vehicles like your Lucerne, VIN programming isn’t just a feature—it’s a necessity. The TCM is the ‘brain’ of your transmission, and it must communicate flawlessly with the Engine Control Module (ECM) and other vehicle systems. A generic, non-programmed module simply cannot do this. It won’t have the correct software or vehicle-specific calibrations, leading to persistent error codes and poor performance. Our process ensures this Programmed TCM for 2006-2011 Buick Lucerne is a true, one-and-done solution.
Frequently Asked Questions
Do I need to have a dealer program this module?
No. This module comes pre-programmed to your vehicle’s specific VIN. It is ready for installation right out of the box, saving you time and the high cost of dealership programming.
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), often near the strut tower or under the air cleaner housing.
Is this a difficult part to install myself?
For someone with basic mechanical skills, the installation is straightforward. It typically involves disconnecting the vehicle’s battery, unplugging the electrical connectors from the old module, unbolting it, and then installing the new one in reverse order. Most installations take less than 30 minutes.
What if my old part has a different service number on it?
That’s very common. GM uses many different service numbers for the same part over its production life. This T42 TCM is a direct replacement for numerous part numbers, including 24252114, 24234503, 24242391, and many others listed in the product details. As long as your vehicle is listed as compatible, this module will work.
Will this fix a P0700 trouble code?
Yes. The P0700 code is a general fault code indicating the TCM has detected a problem. A failing module is a very common cause of this code, and replacing it with our Programmed TCM for 2006-2011 Buick Lucerne is the correct way to resolve the root issue.