Restore Peak Performance to Your GMC Yukon
Is your 2007, 2008, or 2009 GMC Yukon suffering from frustrating and unpredictable shifting? A faulty Transmission Control Module (TCM) can turn your reliable family SUV into a source of constant stress, leaving you stuck in limp mode or dealing with harsh, jarring gear changes. This genuine GM T42 Transmission Control Module is the definitive solution, arriving pre-programmed to your vehicle’s specific VIN. This means no expensive trips to the dealership for coding—it’s a true plug-and-play fix that restores the smooth, dependable performance you need for daily driving and family adventures.
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 directly resolve these problems:
- Harsh, erratic, or delayed gear shifts
- Vehicle stuck in a single gear (limp mode)
- Active Check Engine Light or Transmission Warning Light
- Diagnostic Trouble Codes (DTCs) such as P0700, P0750, or other solenoid-related faults
- Failure to upshift or downshift properly
- Noticeably poor fuel economy
- Intermittent loss of communication with the transmission
Installing our pre-programmed 2007-2009 Yukon transmission control module is the most effective way to eliminate these symptoms and restore your vehicle’s factory shift logic and reliability.
Features & Benefits
- ✔ Ready-to-Install VIN Programming: We program the module to your Yukon’s VIN before shipping. This ensures perfect communication with your vehicle’s powertrain and eliminates the need for any additional programming, saving you time and hundreds of dollars in dealership fees.
- ✔ Restored Drivability: By precisely managing shift points, torque converter lockup, and line pressure, this TCM brings back the smooth, responsive feel your Yukon had when it was new.
- ✔ OEM-Grade Quality: Built to strict General Motors standards for durability and performance, ensuring it can handle the demands of your SUV, whether you’re commuting or towing.
- ✔ Hassle-Free Process: No core charge means you don’t have to worry about the cost and inconvenience of sending your old, faulty part back.
- ✔ Guaranteed Protection: This unit is backed by our one-year replacement warranty.
Expert Insight: Why VIN Programming is Non-Negotiable
In a modern vehicle like your GMC Yukon, the TCM doesn’t just change gears—it’s the brain of the transmission, constantly communicating with the Engine Control Module (ECM) and other vehicle systems. A generic, non-programmed module can’t understand your vehicle’s specific configuration, leading to persistent performance issues. Our VIN-specific programming loads the latest GM software updates tailored to your Yukon, ensuring all systems work in harmony for optimal fuel efficiency, shift quality, and long-term transmission health. This is the critical step that separates a temporary fix from a lasting repair.
Don’t let a faulty TCM compromise the safety and reliability of your vehicle. With a straightforward installation that takes less than 30 minutes for most DIYers, this 2007-2009 Yukon transmission control module is the smart choice for a lasting repair. Get your SUV back to performing its best and drive with confidence again. This is the reliable fix you’ve been looking for to solve your transmission problems for good.
Frequently Asked Questions
Is this 2007-2009 Yukon transmission control module truly plug-and-play?
Yes, absolutely. We program the module using the VIN you provide during checkout. This ensures it’s fully compatible with your vehicle’s specific systems right out of the box. Simply install it, connect the battery, and you’re ready to drive.
Will I need to visit a dealership or mechanic after installation?
No. The pre-programming process eliminates the need for any additional flashing or setup at a dealership, which is a common requirement for unprogrammed modules. This saves you significant time and money.
Where is the TCM located on my GMC Yukon?
On the 2007-2009 GMC Yukon, the Transmission Control Module is typically located in the engine compartment, next to the battery. Always disconnect the negative battery terminal before beginning the installation.
How do I know for sure that my TCM is the problem?
Common signs include erratic shifting, getting stuck in one gear (limp mode), and specific diagnostic codes like P0700 (Transmission Control System Malfunction). If you are experiencing a combination of these symptoms, the TCM is the most likely cause.
Will this module fix specific error codes?
Yes, this module is designed to resolve issues that trigger codes like P0700, P0750, and other transmission-related faults. After installation, it’s recommended to clear any stored codes with a standard OBD-II scan tool.
What is covered by the one-year warranty?
The one-year replacement warranty covers the part itself against defects in materials or workmanship. If the module fails within one year of the purchase date, we will provide a direct replacement.