Restore Your Buick’s Signature Smooth Ride
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 vehicle. This T42 TCM, service number 24234503, is the definitive solution, arriving pre-programmed to your vehicle’s specific VIN. This eliminates the need for expensive dealership programming, allowing for a direct, plug-and-play installation that gets you back to a smooth, confident driving experience.
Common Symptoms & Your Solution
A failing TCM can manifest in several ways, turning a pleasant drive into a stressful one. If you’re experiencing any of the following, this module is designed to be the fix. This expertly prepared 2006-2007 Buick Rainier 24234503 TCM directly addresses the root cause of these issues:
- Harsh, erratic, or delayed shifting
- The vehicle is stuck in “limp mode” (often 2nd or 3rd gear)
- Illuminated Check Engine or Transmission warning lights
- Diagnostic Trouble Codes (DTCs) such as P0700, P0750, or other solenoid-related codes
- Failure to upshift or downshift correctly
- Noticeably poor fuel economy
Features & Tangible Benefits
- ✔ Plug & Play Installation: This module is pre-programmed to your Buick’s VIN. Simply install it, and you’re ready to go—no costly trips to the dealer for programming.
- ✔ Restored Performance: By precisely managing shift points, torque converter lockup, and line pressure, this TCM restores the original smooth and responsive feel of your automatic transmission.
- ✔ Lasting Reliability: Built to stringent OEM standards, this module ensures dependable, long-term operation, giving you peace of mind on every journey.
- ✔ Direct Compatibility: A perfect match for service numbers 24242391, 24234503, and 24252114, guaranteeing a flawless fit and function for your Rainier.
- ✔ Warranty Protection: This unit is backed by our one-year replacement warranty.
Expert Insight: The Critical Role of VIN Programming
In modern vehicles like your Buick Rainier, the TCM doesn’t just change gears; it communicates constantly with the Engine Control Module (ECM), ABS, and other systems. Generic, non-programmed modules can cause communication errors, leading to persistent performance issues or even new error codes. Our VIN-programming process uses the latest GM software to load your vehicle’s exact factory calibration files. This ensures the 2006-2007 Buick Rainier 24234503 TCM operates in perfect harmony with your specific vehicle, accounting for its unique options and drivetrain for optimal efficiency and performance from the moment of installation.
Frequently Asked Questions
Do I need to get this TCM programmed by a dealer?
No. This Transmission Control Module arrives at your door fully pre-programmed to your vehicle’s VIN. It is a true plug-and-play solution, designed to save you the time and expense of a dealership visit.
Where is the TCM located on my 2006-2007 Buick Rainier?
On the Buick Rainier from this era, the TCM is typically found in the engine compartment. Always disconnect the vehicle’s battery before starting the replacement process for safety.
Will this part fix a P0700 trouble code?
A P0700 code is a general fault code, indicating that the TCM has detected a problem and has requested the check engine light be turned on. While this module often resolves the underlying issue causing the P0700 (like a specific solenoid or sensor fault managed by the TCM), it’s always best to have the specific transmission codes read by a scanner for a complete diagnosis.
Is this a difficult part to install?
For someone with basic mechanical skills, the installation is straightforward. It typically involves disconnecting the battery, unplugging the electrical connectors, unbolting the old module, and installing the new one. The entire process often takes less than 30 minutes.
Is there a core charge for my old part?
No, there is no core charge required for this part. You can keep your old module without any hassle or need to return it.