Is your Buick LaCrosse suffering from harsh, unpredictable shifting or stuck in limp mode? A faulty Transmission Control Module (TCM) can disrupt the smooth, comfortable ride you expect from your sedan. This OEM-quality T42 TCM is the definitive solution, arriving pre-programmed to your vehicle’s specific VIN. This eliminates the need for expensive dealership programming, allowing for a straightforward installation that restores your transmission’s precise performance and reliability right out of the box.
Common Symptoms & Your Solution
If you’re experiencing any of the following issues, a failing TCM is the likely culprit. This module is engineered to resolve these problems, clearing common diagnostic trouble codes (DTCs) and getting you back on the road with confidence. Our 2006-2009 Buick LaCrosse TCM 24235754 is the reliable fix for:
- Abrupt, jerky, or delayed gear shifts
- The vehicle being stuck in one gear (limp mode)
- Check Engine Light or Transmission Warning Light illumination
- DTCs such as P0700, P0750, or other solenoid-related codes
- Failure to upshift or downshift properly
- A noticeable decrease in fuel economy
Features & Benefits
- ✔ VIN-Programmed for Your LaCrosse: This module is flashed with your vehicle’s unique VIN and the latest GM software updates. This ensures perfect communication between your engine and transmission for optimal shift points and performance, with no extra programming required.
- ✔ Restores Smooth Operation: By precisely managing shift solenoids and torque converter lockup, this TCM eliminates erratic behavior, restoring the seamless and quiet ride your Buick was designed for.
- ✔ Plug-and-Play Installation: Designed for a direct fit, this module allows for a simple installation. On the 2006-2009 LaCrosse, the TCM is typically found in the lower air cleaner housing, making it accessible for a quick replacement.
- ✔ Built to OEM Standards: Manufactured to meet or exceed original equipment specifications, ensuring long-lasting durability and dependable performance for years to come.
- ✔ This unit is backed by our one-year replacement warranty.
Expert Insight: The Critical Role of VIN Programming
In modern GM vehicles like your LaCrosse, the TCM doesn’t just change gears—it’s part of a complex network of modules that constantly communicate. A generic, non-programmed module can cause communication conflicts, leading to persistent error codes and poor performance. Our VIN-programming process ensures the new TCM is a perfect digital match for your car’s specific configuration. It recognizes the engine, brake system, and security protocols, allowing it to function flawlessly as an integrated part of your vehicle’s electronic ecosystem from the moment it’s installed.
Don’t let a faulty module compromise your vehicle’s performance and your driving peace of mind. By choosing our pre-programmed 2006-2009 Buick LaCrosse TCM 24235754, you are selecting a reliable, cost-effective solution that gets the job done right the first time. This is the ideal component to fix your transmission shifting problems and restore your car’s factory performance.
Frequently Asked Questions
Will this TCM fit my 2008 Buick LaCrosse?
Yes, this T42 TCM is compatible with all 2006, 2007, 2008, and 2009 Buick LaCrosse models. During checkout, we require your vehicle’s VIN to program the module specifically for your car’s configuration, ensuring a perfect match.
Do I need to have this module programmed by a dealer?
No. This is the primary benefit of our service. The module arrives at your door fully programmed and ready for installation. This plug-and-play solution saves you the time, cost, and hassle of a trip to the dealership.
Where is the TCM located on a 2006-2009 Buick LaCrosse?
On these LaCrosse models, the Transmission Control Module is typically located inside or attached to the lower air cleaner housing in the engine compartment. Always disconnect the battery before beginning the replacement.
What tools are needed for installation?
Installation typically requires basic hand tools, such as a socket set and screwdrivers, to access and remove the air cleaner housing and unbolt the module. The process generally takes less than an hour for someone with basic mechanical experience.
Is a core charge required for my old part?
No, there is no core charge. You can keep your old part without any obligation to return it, simplifying the repair process for you.