Restore Your Vehicle’s Smooth Performance
Are you experiencing frustrating and unpredictable transmission behavior in your vehicle? Harsh shifts, getting stuck in gear, or a persistent check engine light can turn any drive into a stressful ordeal. These are classic signs of a failing Transmission Control Module (TCM). This replacement unit is the definitive solution to get your car back to shifting smoothly and reliably, just like it was designed to. We take the guesswork out of the repair by pre-programming this module specifically for your vehicle using your VIN, ensuring a seamless installation and immediate results.
Common Symptoms & Your Solution
A faulty TCM can manifest in various ways, often mistaken for a more serious internal transmission failure. Before considering a costly transmission rebuild, check if you’re experiencing any of these common symptoms. This module is engineered to resolve them:
- Erratic or harsh shifting between gears
- Transmission getting stuck in one gear (limp mode)
- Delayed engagement when shifting into Drive or Reverse
- Check Engine Light with transmission-related Diagnostic Trouble Codes (DTCs) such as P0700, P0751, or U0101
- Poor fuel economy due to inefficient shifting
This professionally programmed 2005 Buick LaCrosse TCM is your direct-fit, reliable solution. It arrives with the latest GM software updates already installed, tailored specifically to your vehicle’s VIN. This eliminates the need for an expensive trip to the dealership for programming, saving you time and money.
Features & Benefits
- โ VIN-Specific Programming: Arrives ready for installation, pre-flashed with the latest GM software for your exact vehicle. No extra programming needed.
- โ Restores Factory Shift Quality: Eliminates harsh shifting and gear-hunting, restoring the smooth and responsive performance you expect.
- โ Cost-Effective Repair: A smart, affordable alternative to the high costs and long wait times associated with dealership parts and service.
- โ Plug-and-Play Installation: Designed for a straightforward swap, making it accessible for professional technicians and experienced DIYers alike.
- โ Broad Compatibility: This module is a direct replacement for multiple part numbers, including 24223112, 24226863, 24233595, 24234189, 24239427, YBWW, YDFC, YDFD, YDLT, YJHY, YKTB, and YKTF.
- โ This unit is backed by our one-year replacement warranty.
An Expert’s Note on VIN Programming
“In my 20 years of diagnostics, I’ve seen countless transmission issues caused by improperly matched control modules. A generic, non-programmed TCM simply can’t communicate effectively with your vehicle’s specific engine and sensor setup. That’s why VIN-specific programming is non-negotiable. We flash each 2005 Buick LaCrosse TCM with the precise software from GM for your vehicle. This ensures all shift points, torque converter lockup strategies, and sensor inputs are perfectly calibrated, giving you a repair you can trust for the long haul.”
Frequently Asked Questions
What is a TCM and what does it do?
The Transmission Control Module (TCM) is the electronic brain of your automatic transmission. It uses data from various sensors on the engine and transmission to control shift timing, gear selection, and torque converter operation to ensure smooth, efficient performance.
Does this 2005 Buick LaCrosse TCM require any additional programming?
No. This module is sold as a fully programmed unit. We use the VIN you provide during checkout to flash it with the correct, most up-to-date software from GM. It is ready for installation right out of the box.
How do I provide my Vehicle Identification Number (VIN)?
After you complete your purchase, you will need to send us your 17-digit VIN. You can typically find your VIN on your vehicle’s registration, insurance card, or on a placard on the driver’s side dashboard visible through the windshield.
Is this part difficult to install?
The physical installation is generally straightforward for someone with mechanical experience, as it involves locating the old module, disconnecting it, and connecting the new one. The location varies by model (e.g., under the air cleaner housing). We always recommend consulting a service manual for your specific vehicle or having the installation performed by a qualified mechanic.
Will this definitely fix my transmission problem?
This TCM is a direct solution for failures within the module itself, which cause the symptoms listed above. While it resolves the most common electronic transmission issues, it’s crucial to ensure your vehicle has been properly diagnosed. This part will not fix internal mechanical failures, faulty wiring, or bad sensors.
What happens if I forget to provide my VIN?
Providing your VIN is a required step for this purchase. To ensure you receive a perfectly matched and functional part, we cannot ship your order until we receive and program the module with your vehicle’s specific VIN.