Restore Your Yukon’s Smooth, Reliable Performance
Is your GMC Yukon XL 1500 suffering from harsh, erratic shifting, getting stuck in gear, or throwing transmission-related check engine lights? These are frustrating and concerning problems for a vehicle you rely on for family trips and daily driving. The culprit is often a failing Transmission Control Module (TCM). This pre-programmed T42 TCM is the definitive solution, designed to restore the factory performance and reliability you expect from your SUV, without the exorbitant cost and hassle of a dealership visit.
Common Symptoms & Your Solution
A failing TCM can make your vehicle feel unpredictable and unsafe. If you’re experiencing any of the following, this module is the fix you need:
- Abrupt, harsh, or delayed gear shifts
- The vehicle is 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 are present
- Failure to upshift or downshift correctly
- A sudden drop in fuel economy
This replacement 2007-2008 Yukon XL 1500 transmission control module arrives programmed to your vehicle’s specific VIN, ensuring it communicates perfectly with your engine and other systems right out of the box.
Features & Benefits
- ✔ Plug & Play Installation: We program the module to your vehicle’s VIN before shipping. This eliminates the need for expensive dealership programming, saving you time and money.
- ✔ Restores Factory Shift Quality: By managing shift points, line pressure, and torque converter lockup with the latest GM software, this module restores the smooth, responsive feel your transmission once had.
- ✔ Solves Common DTCs: Specifically designed to resolve persistent transmission codes and turn off the check engine light associated with a faulty TCM.
- ✔ Built to OEM Standards: Engineered for durability and longevity, ensuring it can handle the demands of your Yukon, from daily commutes to towing.
- ✔ Peace of Mind Protection: This unit is backed by our one-year replacement warranty.
Expert Insight: Why VIN Programming is Non-Negotiable
In modern vehicles like your Yukon, the TCM is the brain of the transmission. It’s not a simple one-size-fits-all part. It needs to know your vehicle’s specific engine size, axle ratio, tire size, and other unique characteristics to function correctly. Our VIN programming service loads this exact data onto the module before it leaves our facility. This ensures every shift is perfectly timed and every command is executed flawlessly, preventing damage to your transmission and providing a level of precision that a generic, non-programmed module simply cannot match.
Don’t let a faulty TCM compromise the safety and reliability of your family’s vehicle. Installing this fully programmed 2007-2008 Yukon XL 1500 transmission control module is a straightforward repair that a confident DIYer can complete in their own driveway. Take control of the repair and get your Yukon back to performing its best.
Frequently Asked Questions
What does ‘VIN Programmed’ actually mean?
It means we use your vehicle’s 17-digit Vehicle Identification Number (VIN) to load the latest factory software and specific calibration files for your exact vehicle build. This makes the module a true plug-and-play part, requiring no further setup or expensive tools for installation.
Is this difficult to install myself?
For most 2007-2008 Yukon models, the TCM is located in the engine compartment next to the battery and is held in by a few bolts. The installation typically takes less than 30 minutes with basic hand tools. Simply disconnect the battery, unplug the old module, swap in the new one, and reconnect the battery. It’s one of the easier electronic component replacements.
Will this fix my P0700 and other transmission codes?
Yes. A P0700 code is a general fault code indicating the TCM has detected a problem. This module is the direct solution for internal TCM failures that cause P0700 and related solenoid or sensor codes. After installation, it’s recommended to clear any stored codes with a basic scan tool.
Do I need to send my old part back?
No, there is no core charge for this part. You can keep or dispose of your old module, making the process hassle-free.
Is this the correct part for my vehicle?
This 2007-2008 Yukon XL 1500 transmission control module is a direct fit for those model years. It also fits a wide range of other GM vehicles. Please verify the part number (24256960) or use the compatibility chart to ensure a perfect match for your application.