Is Your GMC Yukon Shifting Erratically or Stuck in Limp Mode?
A faulty transmission control module can turn your reliable family SUV into a source of constant stress. If you’re experiencing harsh shifts, delayed gear engagement, or a persistent check engine light, you’re not just dealing with an annoyance—you’re facing a problem that compromises your vehicle’s performance and safety. This VIN-programmed T42 Transmission Control Module is the definitive solution, designed to restore the smooth, predictable operation you expect from your 2007-2009 GMC Yukon.
Common Symptoms & Your Solution
Ignoring the signs of a failing TCM can lead to more significant and costly transmission damage. This module is engineered to resolve these exact issues, providing a direct fix for your 2007-2009 GMC Yukon transmission control module. Look out for these common warning signs:
- Harsh, jerky, or unpredictable shifting
- The vehicle gets stuck in a single gear (limp mode)
- Delayed engagement when shifting from Park to Drive or Reverse
- Transmission or Check Engine warning lights on the dash
- Diagnostic Trouble Codes (DTCs) such as P0700, P0750, or other solenoid-related faults
- Poor fuel economy and a feeling of lost power
Features & Benefits
- ✔ Plug-and-Play Installation: This module arrives pre-programmed to your Yukon’s specific Vehicle Identification Number (VIN). This critical step ensures perfect communication with your vehicle’s other systems, eliminating the need for an expensive trip to the dealership for programming.
- ✔ Restores Factory Performance: By precisely managing shift points, torque converter lockup, and line pressure, this TCM brings back the smooth, responsive shifting your vehicle had when it was new. Enjoy a comfortable and confident driving experience once again.
- ✔ Engineered for Reliability: Built to meet or exceed strict OEM standards, this module provides a durable, long-lasting solution to common transmission electronic failures. It’s the smart choice for restoring your vehicle’s dependability.
- ✔ Direct-Fit Replacement: This unit is a direct replacement for a wide range of original part numbers, including 24252114, 24234503, and 24235754, guaranteeing a perfect fit and function.
- ✔ Warranty Included: 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 work in isolation. It’s part of a complex network that includes the Engine Control Module (ECM), Anti-lock Brake System (ABS), and more. Generic, non-programmed modules can’t speak this specific language, leading to persistent codes, poor performance, or even complete incompatibility. Our VIN programming service loads your vehicle’s unique software and the latest GM updates directly onto the module. This ensures that from the moment you plug it in, it integrates seamlessly, just like the original part, providing a reliable and permanent fix.
By installing this high-quality 2007-2009 GMC Yukon transmission control module, you are making a direct investment in your vehicle’s longevity and your own peace of mind. Stop adapting to a faulty transmission and get the definitive repair that restores your truck’s performance and reliability. This is the most effective way to solve your shifting problems without the high cost and hassle of dealership service.
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 dealership programming or setup required.
What are the most common signs my Yukon’s TCM is failing?
The most common symptoms include harsh or erratic shifting, the vehicle being stuck in ‘limp mode’ (usually 2nd or 3rd gear), a lit check engine or transmission warning light, and specific trouble codes like P0700.
Is this part difficult to install?
Installation is straightforward for someone with basic mechanical skills. The TCM is typically located in the engine compartment (often next to the battery on a Yukon) and can be swapped in under 30 minutes. Always disconnect the battery before starting.
Will this fix my check engine light?
This module will resolve the underlying electronic faults that cause transmission-related check engine lights and DTCs. After installation, you may need to use a standard OBD2 scan tool to clear any stored codes from the vehicle’s memory.
Is there a core charge for my old part?
No, there is no core charge required for this part. You can keep or dispose of your old module without the hassle of returning it.
How do I ensure this is the right part for my vehicle?
This 2007-2009 GMC Yukon transmission control module is a direct replacement for multiple service numbers. You can verify the fit by checking the part numbers listed in the description or by using our vehicle fitment tool. Providing your VIN at checkout guarantees we program it correctly for you.