Restore Smooth, Reliable Shifting to Your Yukon XL
Is your 2007-2008 GMC Yukon XL 1500 suffering from erratic shifting, getting stuck in gear, or showing a check engine light? These are classic signs of a failing Transmission Control Module (TCM). Don’t let transmission troubles compromise the safety and reliability of your family’s SUV. This professionally programmed T42 TCM is the definitive, hassle-free solution to get your vehicle back on the road with the dependable performance you expect.
Common Symptoms & Your Solution
A faulty TCM can turn a comfortable ride into a stressful ordeal. If you’re experiencing any of the following, this module is designed to be your direct-fit fix:
- Harsh, jerky, or delayed gear shifts
- The vehicle entering “limp mode” (stuck in 2nd or 3rd gear)
- An illuminated 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 correctly, leading to poor acceleration and fuel economy
- Complete loss of communication with the transmission
This module is the solution, arriving pre-programmed to your vehicle’s specific VIN. It’s designed to resolve these issues out of the box, restoring the precise electronic control your transmission needs to function correctly. Our VIN programmed 2007-2008 Yukon XL 1500 TCM takes the guesswork out of the repair.
Features & Tangible Benefits
- ✔ Plug-and-Play Installation: This module is programmed to your Yukon’s exact VIN before shipping. This eliminates the need for expensive trips to the dealership for programming, saving you time and money.
- ✔ Restored Performance: By installing the latest GM software updates, this TCM ensures your transmission shifts smoothly, the torque converter locks up correctly, and fuel efficiency is optimized.
- ✔ Lasting Reliability: Built to stringent OEM standards, this module is engineered to withstand the demands of daily driving, towing, and long trips, ensuring dependable operation for years to come.
- ✔ This unit is backed by our one-year replacement warranty. We stand behind the quality of our components, giving you confidence in your repair.
- ✔ No Core Charge: Keep your old part without the hassle or expense of returning a core. The price you see is the price you pay.
Expert Insight: The Critical Role of Programming
In modern vehicles like your Yukon XL, the TCM is the brain of the transmission. It’s not just a simple switch; it’s a computer that communicates with the engine and other vehicle systems. Generic, unprogrammed modules often fail to work correctly because they don’t have the specific software calibrations for your vehicle’s unique configuration. Our VIN programming service ensures this module works seamlessly with your SUV’s systems from the moment you install it, just like the original part from the factory.
Frequently Asked Questions
What does ‘VIN Programmed’ actually mean for me?
It means we load the module with the specific software and calibrations from GM that match your vehicle’s unique Vehicle Identification Number (VIN). This makes the installation truly plug-and-play, as the module is ready to communicate with your Yukon’s engine and other systems immediately, without requiring any additional programming from a dealer or specialized mechanic.
Where is this module located on my 2007-2008 Yukon XL 1500?
On this specific model, the T42 TCM is typically found in the engine compartment, mounted next to the battery. Always disconnect the battery’s negative terminal before starting the replacement to ensure safety and help reset the vehicle’s electronic systems.
Will this fix a P0700 transmission fault 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 root cause (like a failed internal driver), it’s crucial to have the vehicle scanned for other specific codes (e.g., P0751, P0756) to confirm the TCM is the source of the issue. Replacing a faulty TCM is a very common fix for a P0700 code.
Is the installation difficult for a DIYer?
The physical replacement is straightforward for someone with basic mechanical skills. It typically involves disconnecting the battery, unplugging a few electrical connectors, and unbolting the module. The entire process often takes less than 30 minutes. Since our VIN programmed 2007-2008 Yukon XL 1500 TCM requires no further computer work, it’s one of the easiest major electronic component replacements you can perform.
Do I need to send my old TCM back?
No, there is no core charge or requirement to return your old part. This simplifies the process for you, saving you the time and shipping costs associated with a core return.