Restore Your Buick’s Smooth, Reliable Performance
Are you experiencing frustrating and unpredictable transmission problems with your Buick Rainier? Issues like harsh, jerky shifting, getting stuck in one gear, or a persistent check engine light can ruin your driving experience and cause serious concern. This VIN-programmed T42 Transmission Control Module (TCM) is the definitive solution to restore the smooth, factory-new performance you expect from your SUV. By replacing your faulty original unit, you’re not just fixing a part; you’re restoring your confidence and peace of mind on the road.
Common Symptoms & Your Solution
A failing TCM can manifest in several ways, often making your vehicle feel unreliable or unsafe. If you’re noticing any of the following, this module is the solution you need:
- Harsh, erratic, or delayed gear shifts
- Vehicle stuck in “limp mode” (typically 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 faults
- Failure to upshift or downshift properly
- A sudden drop in fuel economy
This expertly prepared 2006-2007 Buick Rainier transmission control module directly addresses the root cause of these electronic failures, providing a lasting and reliable fix.
Features & Benefits
- âś” Plug & Play Installation: This module is pre-programmed to your vehicle’s specific VIN. This means no expensive trips to the dealership for programming—simply install it, and you’re ready to go.
- âś” Restored Drivability: By managing shift points, torque converter lockup, and line pressure with precision, this TCM eliminates harsh shifting and restores the smooth, responsive feel your Rainier was built for.
- âś” Guaranteed Compatibility: Engineered to meet and exceed original equipment standards for the 2006-2007 Buick Rainier, ensuring a perfect fit and flawless communication with your vehicle’s computer systems.
- âś” Cost-Effective Repair: Avoid the high costs and wait times associated with dealership repairs. This module provides a professional-grade solution at a fraction of the price.
- âś” Purchase with Confidence: This unit is backed by our one-year replacement warranty.
Expert Insight: The Power of Proper Programming
Many owners don’t realize that a transmission control module is more than just a piece of hardware; it’s the brain of the transmission. For GM vehicles like your Rainier, the software on that module is calibrated specifically to the vehicle’s engine, weight, and gear ratios. Installing a generic, non-programmed module often leads to persistent shifting issues or new error codes. Our VIN-specific programming ensures the 2006-2007 Buick Rainier transmission control module has the latest GM software and is perfectly matched to your vehicle, guaranteeing optimal performance and longevity right out of the box.
Don’t let a faulty TCM compromise the comfort and reliability of your SUV. By choosing our pre-programmed 2006-2007 Buick Rainier transmission control module, you’re choosing a hassle-free repair that gets you back on the road quickly and confidently. Installation is straightforward for a DIY mechanic or any professional technician, typically located in the engine compartment for easy access.
Frequently Asked Questions
Do I need to program this module after I receive it?
No. This module comes fully pre-programmed to your vehicle’s VIN. It is ready for installation right out of the box, with no additional programming or dealership visits required.
Will this fix my check engine light and transmission codes?
Yes, if the check engine light and codes (like P0700) are being caused by a faulty TCM, this part is the direct solution. After installation, we recommend clearing any stored codes with a standard OBD2 scan tool.
Where is the TCM located on my Buick Rainier?
On the 2006-2007 Buick Rainier, the transmission control module is typically located in the engine compartment on the driver’s side (LH side). Always disconnect the vehicle’s battery before beginning the replacement process.
Is this a difficult part to install myself?
For someone with basic mechanical skills, the installation is straightforward and usually takes less than 30 minutes. It involves disconnecting the battery, unplugging the electrical connectors, and unbolting the old module to swap in the new one.
How do I ensure this is the exact part for my vehicle?
This module is specified for the 2006-2007 Buick Rainier. During checkout, you will provide your vehicle’s VIN, which we use to program the module for a guaranteed perfect match to your vehicle’s factory specifications.