Restore Your Buick’s Smooth, Reliable Shifting
Is your 2006-2011 Buick Lucerne shifting harshly, getting stuck in gear, or displaying a persistent check engine light? These frustrating transmission issues can disrupt your car’s comfortable ride and create anxiety about expensive, complicated repairs. This pre-programmed T42 Transmission Control Module (TCM) is the definitive, plug-and-play solution designed to restore your vehicle’s factory performance and your peace of mind. By precisely managing shift points and transmission pressure, this module eliminates the guesswork and gets you back on the road with confidence.
Common Symptoms & Your Solution
A failing TCM can cause a cascade of problems that are often misdiagnosed. If you’re experiencing any of the following, this module is the reliable fix you need. It directly addresses the electronic brain of your transmission, correcting the root cause of these issues. This is the ideal solution for anyone searching for a dependable 2006-2011 Buick Lucerne transmission control module.
- Harsh, erratic, or delayed gear shifts
- 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 faults
- Failure to upshift or downshift properly
- Noticeable decrease in fuel economy
Features & Benefits
- ✔ Plug-and-Play Installation: This module arrives pre-programmed to your vehicle’s specific VIN. This critical step ensures perfect communication with your car’s computer systems, eliminating the need for an expensive trip to the dealership for programming.
- ✔ Restored Performance: By installing a correctly calibrated module, you restore the precise, smooth shifting your Buick Lucerne was known for. It ensures proper torque converter lockup and efficient power delivery.
- ✔ Durable & Reliable: Built to strict OEM standards for fit, form, and function, this module is engineered to withstand the demanding conditions of daily driving, ensuring long-lasting performance.
- ✔ Cost-Effective Repair: Avoid the high costs of dealership parts and labor. This solution provides a professional-grade repair at a fraction of the price, and the simple installation saves you money on shop fees.
- ✔ Guaranteed Performance: This unit is backed by our one-year replacement warranty, giving you confidence in your repair.
Expert Insight: The Power of Proper Programming
As a veteran tech, I’ve seen countless transmission issues caused by mismatched electronics. A common mistake is installing a used, non-programmed TCM. This almost always leads to new error codes and persistent shifting problems because the module isn’t calibrated for your car’s specific software. Our VIN-programming service uses the latest GM calibrations for your Lucerne, ensuring the 2006-2011 Buick Lucerne transmission control module communicates perfectly with the engine and other systems from the moment you plug it in. It’s the difference between a frustrating weekend and a 30-minute fix.
Frequently Asked Questions
Do I need to take this part to a dealer for programming?
No. This is the biggest benefit of our service. We pre-program the module to your car’s exact VIN before shipping it. It will arrive ready for a plug-and-play installation, saving you time and hundreds of dollars in dealership fees.
Where is the TCM located on my 2006-2011 Buick Lucerne?
On the Buick Lucerne for these model years, 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.
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 will often resolve the issue if the TCM itself is faulty, it’s essential to have the vehicle scanned for more specific codes (like solenoid or sensor codes) to confirm the diagnosis. This part is designed to fix failures within the original 2006-2011 Buick Lucerne transmission control module.
Is this a new or used part?
This is a high-quality replacement component built to meet or exceed original equipment (OEM) specifications for performance and durability. It is not a used part pulled from a salvage vehicle.
Do I need to return my old TCM?
No, there is no core charge for this part. You can keep or dispose of your old module without the hassle of returning it.