Restore Your Buick’s Signature Smoothness
Is your 2006-2007 Buick Rainier suffering from jarring shifts, delayed gear engagement, or a frustrating check engine light? A faulty Transmission Control Module (TCM) can disrupt the comfort and reliability you expect from your SUV. This genuine GM T42 TCM, service number 24230461, is the definitive solution, arriving expertly pre-programmed to your vehicle’s specific VIN. This eliminates the need for expensive dealership programming, allowing for a straightforward, plug-and-play installation that gets you back on the road with confidence.
Common Symptoms & Your Solution
A failing TCM can manifest in several ways, turning your daily drive into a stressful experience. If you’re noticing any of the following, this module is designed to be the direct fix:
- Harsh, erratic, or delayed shifting
- Vehicle stuck in “limp mode” (usually 2nd or 3rd gear)
- Active Check Engine or Transmission warning lights
- Diagnostic Trouble Codes (DTCs) such as P0700 or various solenoid codes
- Failure to upshift or downshift correctly
- Noticeably poor fuel economy
By replacing your old unit with this precisely configured 2006-2007 Buick Rainier transmission control module, you are not just swapping a part; you are restoring the intelligent link between your engine and transmission, ensuring every gear change is as smooth and efficient as the day your vehicle left the factory.
Features & Benefits
- ✔ VIN-Programmed for Your Rainier: This module is flashed with the latest GM software and programmed directly to your vehicle’s VIN. This ensures perfect communication with other vehicle systems and optimal transmission performance right out of the box.
- ✔ Eliminate Dealership Hassles: Because the programming is done before shipping, you can skip the costly and time-consuming trip to the dealership for calibration. Installation can be done by you or your trusted mechanic.
- ✔ Restore Peak Performance: A properly functioning TCM is critical for managing shift points, torque converter lockup, and line pressure. This unit restores that precision, leading to a smoother ride, better fuel efficiency, and reduced wear on your transmission.
- ✔ Built to OEM Standards: Engineered for durability and reliability, this module meets strict OEM quality specifications, ensuring it can handle the demands of daily driving and deliver long-lasting performance.
- ✔ Warranty Protection: This unit is backed by our one-year replacement warranty.
Expert Insight: The Power of Precision Programming
Many generic or un-programmed modules fail to solve complex shifting issues because they don’t account for the unique characteristics of your vehicle. The Buick Rainier, with its specific powertrain and comfort-tuned suspension, relies on precise transmission commands. Our VIN-specific programming ensures the TCM operates with the exact parameters intended by GM for your vehicle, resolving software-related glitches that a simple part swap might miss. This is the key to a lasting, reliable repair for your 2006-2007 Buick Rainier transmission control module.
This module is a direct replacement for a wide range of service numbers, including 24252114, 24234503, 24230461, and more. Installation is typically located in the engine compartment and can be completed in under an hour. Take control of your vehicle’s performance and restore the dependable, smooth ride you deserve. This is the ideal solution for anyone needing a reliable 2006-2007 Buick Rainier transmission control module.
Frequently Asked Questions
Do I need to take my vehicle to the dealer after installation?
No. This module comes pre-programmed to your vehicle’s VIN. It is ready for installation right out of the box, with no additional programming or flashing required.
Where is the TCM located on my 2006-2007 Buick Rainier?
On the Buick Rainier for these model years, the Transmission Control Module is typically found in the engine compartment. Always consult a vehicle-specific repair manual to confirm the exact location before beginning work.
Is this a difficult part to install myself?
For someone with basic mechanical skills, the installation is straightforward. It generally involves disconnecting the battery, unplugging the electrical connectors from the old module, unbolting it, and then installing the new one in reverse order. It’s recommended to use a scan tool to clear any stored codes after installation.
What is a core charge? Do I need to send my old part back?
There is no core charge for this part. You are not required to return your old, faulty module, which saves you the time and hassle of return shipping.
Will this fix a P0700 trouble code?
A P0700 code is a general transmission fault code, indicating that the TCM has detected a problem. While a faulty TCM is a very common cause, this code can also be triggered by other issues. Replacing a known-bad TCM is often the correct solution to clear a P0700 and related codes.