Is Your Yukon XL Shifting Erratically? Restore Smooth, Reliable Performance.
There’s nothing more unsettling than an automatic transmission that doesn’t behave as it should. The hesitation, harsh bangs between gears, or getting stuck in ‘limp mode’ can make you lose confidence in your otherwise dependable GMC Yukon XL. These are classic signs of a failing Transmission Control Module (TCM), the electronic brain of your transmission. This pre-programmed T42 TCM is the definitive, hassle-free solution to get your family’s vehicle back to operating safely and smoothly, just as it did from the factory.
Common Symptoms & Your Solution
If you’re experiencing any of the issues below, a faulty TCM is the most likely culprit. This module is the direct replacement you need to permanently resolve these problems. We specifically designed this as the go-to 2007-2008 Yukon XL 1500 transmission control module for owners who demand a reliable fix without the excessive cost and time of a dealership visit.
- Harsh, erratic, or delayed gear shifts
- Vehicle stuck in a single gear (limp mode)
- 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
- Complete loss of communication with the transmission
Key Features & Tangible Benefits
- âś” Plug-and-Play Installation: This module arrives pre-programmed to your Yukon’s specific Vehicle Identification Number (VIN). This critical step ensures perfect communication between the engine and transmission, eliminating the need for expensive dealership programming. Just install it and drive.
- âś” Restored Drivability: By installing a new, properly functioning brain for your transmission, you’ll regain the smooth, predictable shifting and confident performance you depend on for daily driving, towing, and family trips.
- âś” OEM-Standard Quality: Engineered to meet or exceed original equipment standards, this module provides a durable and long-lasting solution to common transmission electronic failures. It’s the right part to fix it once and fix it right.
- âś” One-Year Protection: This unit is backed by our one-year replacement warranty.
- âś” Comprehensive Compatibility: This T42 TCM is a direct replacement for a wide range of service numbers, including 24252114, 24234503, and 24235754, ensuring a perfect fit for your application.
An Expert’s Note on VIN Programming: Many people buy a blank TCM online, only to find their mechanic can’t program it or the dealership charges hundreds for the service. The T42 module in these GM vehicles is very particular. Our pre-programming service uses the latest GM software updates for your specific VIN. This means the module is ready to work the moment it’s installed, resolving software-related glitches that a simple part swap wouldn’t fix and saving you from a frustrating, costly second step.
By choosing this expertly prepared 2007-2008 Yukon XL 1500 transmission control module, you are not just buying a part; you are investing in peace of mind and the restored reliability of your vehicle. It is the most efficient and effective way to solve complex transmission shifting issues.
Frequently Asked Questions
What is VIN programming and why is it essential?
VIN programming loads your vehicle’s unique software and settings onto the transmission control module. Without it, the TCM cannot communicate correctly with your Yukon’s engine and other systems, leading to poor performance or a non-functional transmission. Our service does this for you, so the part is ready for immediate installation.
Is this part difficult to install myself?
For someone with basic mechanical skills, installation is straightforward. On the 2007-2008 Yukon XL 1500, the TCM is typically located in the engine compartment next to the battery. The process involves disconnecting the battery, unplugging the electrical connectors, unbolting the old module, and installing the new one. It usually takes under 30 minutes.
Will this fix my specific check engine light code?
This module is the direct solution for a host of transmission-related DTCs, most notably P0700 (Transmission Control System Malfunction) and various solenoid codes (e.g., P0751, P0756). If your diagnosis points to a faulty TCM, this part is designed to clear those codes once installed and the system is reset.
Do I need to return my old TCM?
No, there is no core charge or requirement to send your old part back to us. You can keep it or dispose of it at your convenience, making the process simpler and faster for you.
How can I be certain my TCM is the problem?
The symptoms listed above are the strongest indicators. If you’re experiencing multiple issues like erratic shifting, warning lights, and specific transmission codes, the TCM is the most common point of failure. This 2007-2008 Yukon XL 1500 transmission control module is the most common fix for these combined symptoms.