Restore Your Family’s Ride to Peak Performance
Is your Buick Terraza’s transmission causing stressful and unpredictable drives? A faulty Transmission Control Module (TCM) can disrupt your family’s routine with harsh shifts, warning lights on the dash, and the constant worry of being stranded. This VIN-programmed T42 TCM is the definitive solution, designed to restore the smooth, reliable performance your minivan had when it left the factory. Eliminate the guesswork and the expensive dealership visits with a part that’s ready to install right out of the box.
Common Symptoms & Your Solution
If you’re experiencing any of the following issues, a failing TCM is the most likely culprit. This module is engineered to be the direct solution for these frustrating problems:
- 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 codes
- Failure to upshift or downshift properly
- Noticeably poor fuel economy
Installing this pre-programmed 2006-2007 Buick Terraza transmission control module is the most effective way to resolve these symptoms and restore your vehicle’s drivability and safety.
Features & Benefits
- ✔ Plug-and-Play Installation: This module arrives pre-programmed to your Terraza’s specific VIN. This crucial step ensures perfect communication between your engine and transmission, eliminating the need for costly dealership programming.
- ✔ Restored Driving Confidence: By correcting erratic shifting and hesitation, this TCM provides a smoother, more predictable driving experience, giving you peace of mind on the road.
- ✔ OEM-Standard Reliability: Built to meet or exceed original equipment specifications, this module ensures long-lasting performance and dependability for your family’s vehicle.
- ✔ Direct-Fit Replacement: This unit is a direct replacement for a wide range of GM service numbers, including 24234274, 24252114, 24234503, and more, guaranteeing a perfect fit.
- ✔ Warranty Protection: This unit is backed by our one-year replacement warranty.
Expert Insight: The Power of VIN Programming
Many people don’t realize that a modern transmission is a complex network. The TCM acts as its brain, constantly talking to the engine computer. When you install a generic, non-programmed module, it’s like hiring a new manager who doesn’t speak the same language as the team. This leads to poor performance and new error codes. Our VIN programming service syncs the module to your Terraza’s exact factory settings, ensuring every shift point and torque converter clutch command is executed flawlessly from the moment you turn the key. It’s the difference between a temporary patch and a true, lasting repair for your 2006-2007 Buick Terraza transmission control module.
Frequently Asked Questions
Do I need to take my van to a dealer after installing this part?
No. This module is fully pre-programmed to your vehicle’s VIN before it ships. It is a true plug-and-play solution that does not require any additional programming or flashing from a dealership.
Where is the TCM located on a 2006-2007 Buick Terraza?
On the Buick Terraza and its platform mates (like the Uplander and Montana), the transmission control module is typically located on the driver’s side of the engine compartment, attached to the LH strut tower.
Will this fix a P0700 trouble code?
Yes, in many cases it will. The P0700 code is a general fault code, meaning the TCM has detected a problem and has requested the check engine light be turned on. Replacing a faulty TCM often resolves the underlying issue that caused the P0700 code to appear.
Is this a difficult part to install myself?
For someone with basic automotive repair skills and tools, this is a straightforward installation that typically takes less than 30 minutes. The key steps are disconnecting the battery, unplugging the electrical connectors, unbolting the old module, and then reversing the process to install the new one.
What happens if I don’t replace a failing TCM?
Continuing to drive with a failing 2006-2007 Buick Terraza transmission control module can lead to worsening symptoms, increased internal wear on your transmission, very poor fuel mileage, and potentially leave you stranded. It’s a critical component for both performance and safety.