Restore Smooth, Reliable Shifting to Your Buick Terraza
Is your 2006-2007 Buick Terraza suffering from harsh shifting, getting stuck in gear, or showing transmission warning lights? A failing Transmission Control Module (TCM) is often the culprit, disrupting your family’s daily routine and causing unnecessary stress. This VIN-programmed T42 TCM is the direct-fit solution to restore your minivan’s smooth, reliable performance and is the ideal replacement 2006-2007 Buick Terraza transmission control module.
Common Symptoms & Your Solution
If you’re experiencing any of the following issues, a faulty TCM is the likely cause. This pre-programmed module is designed to be the definitive solution, correcting these problems right out of the box:
- Abrupt, jerky, 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
- Poor fuel economy and a feeling of lost power
Key Features & Tangible Benefits
- ✔ Plug-&-Play Installation: This module arrives pre-programmed to your Terraza’s specific VIN. This eliminates the need for expensive dealership programming, saving you time and money.
- ✔ Restored Drivability: By precisely managing shift points and torque converter lockup, this module restores the smooth, predictable performance your family relies on.
- ✔ Lasting Reliability: Built to meet or exceed strict OEM specifications, this component is designed to withstand engine bay heat and vibrations for long-term dependability.
- ✔ Guaranteed Compatibility: This unit is a direct replacement for service number 24252114 and other interchangeable parts, ensuring a perfect fit and function for your vehicle.
- ✔ Peace of Mind Protection: This unit is backed by our one-year replacement warranty.
Expert Insight from Our Technicians
The T42 TCM is the brain of your Terraza’s 4-speed automatic transmission. Over time, heat cycles and vibrations can damage internal circuits, leading to the frustrating and unpredictable shifting issues you’re experiencing. Our VIN programming process doesn’t just copy old data; it installs the latest GM software updates for your specific vehicle. This often corrects underlying factory flaws and ensures the transmission operates more efficiently than it has in years. Installing a properly programmed 2006-2007 Buick Terraza transmission control module is one of the most effective ways to protect your transmission from further damage and ensure your family’s safety on the road.
Frequently Asked Questions
Do I need to take my van to a dealer after installation?
No. This Transmission Control Module comes fully programmed to your vehicle’s VIN. It is ready for a plug-and-play installation, with no further programming or dealership visits required.
Where is the TCM located on a 2006-2007 Buick Terraza?
On the Buick Terraza and similar GM minivans like the Uplander and Montana, the TCM is typically located on the driver’s side of the engine compartment, mounted to the LH strut tower.
Will this fix a P0700 trouble code?
Yes, in many cases. The P0700 code is a general fault code indicating that the TCM has detected a problem within the transmission system. A failing TCM is a very common cause of this code, and replacing it with this programmed unit will often resolve the issue and allow the code to be cleared.
Is this a difficult part to install myself?
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 usually takes less than 30 minutes.
Do I need to send my old part back?
No, there is no core charge for this part. You can keep your old module, which saves you the hassle and cost of return shipping.