Restore Smooth, Reliable Shifting to Your Tahoe
Is your 2007-2009 Chevrolet Tahoe suffering from harsh shifting, getting stuck in gear, or throwing transmission codes? A failing Transmission Control Module (TCM) is often the culprit, disrupting your vehicle’s performance and your peace of mind. This genuine GM T42 TCM, service number 24238856, is the definitive solution. It arrives expertly pre-programmed to your vehicle’s specific VIN, ensuring a seamless, plug-and-play installation that gets your trusted SUV back on the road without a mandatory trip to the dealership.
Common Symptoms & Your Solution
If you’re experiencing any of the following issues, a faulty TCM is the likely cause. This module is engineered to resolve these exact problems:
- Harsh, erratic, or delayed gear shifts
- Vehicle stuck in “limp mode” (usually 2nd or 3rd gear)
- Check Engine Light or Transmission Warning Light is on
- Diagnostic Trouble Codes (DTCs) like P0700, P0750, or other solenoid-related faults
- Failure to upshift or downshift properly
- Poor fuel economy and potential transmission overheating
Installing this pre-programmed 2007-2009 Tahoe transmission control module is the most effective way to restore your vehicle’s original shifting strategy and clear persistent error codes for good.
Features & Benefits
- โ VIN-Programmed for Your Tahoe: We program the module to your vehicle’s VIN before shipping. This ensures perfect communication with your engine and other systems, eliminating the need for expensive dealership programming.
- โ Restores Factory Performance: Loaded with the latest GM software updates, this module restores the smooth, precise shifting and torque converter operation you expect from your vehicle.
- โ Plug-and-Play Installation: Simply disconnect the old module and plug this one in. The unit is typically located next to the battery in the Tahoe, making for a straightforward installation that can be done in under 30 minutes.
- โ Built to Last: This is an OEM-quality component designed to meet or exceed General Motors’ strict standards for durability and performance, ensuring long-term reliability for your family’s vehicle.
- โ This unit is backed by our one-year replacement warranty.
Expert Insight: The Power of Pre-Programming
Many people are tempted to buy a used TCM from a salvage yard, only to find it won’t work because it’s still programmed to the donor vehicle. Every GM vehicle has a unique software calibration. Our VIN programming service isn’t just a convenienceโit’s a necessity. We ensure your new 2007-2009 Tahoe transmission control module has the exact software your vehicle requires, saving you the time, expense, and frustration of a tow to the dealer for a re-flash. It’s the key to a successful, one-time repair.
Frequently Asked Questions
Do I need to have this module programmed by a dealer?
No. This module comes pre-programmed to your vehicle’s VIN. It is ready for installation right out of the box, saving you hundreds of dollars in dealership programming fees.
Where is the TCM located on my 2007-2009 Tahoe?
On most 2007-2009 Chevrolet Tahoe and GMC Yukon models, the T42 TCM is located in the engine compartment, mounted on a bracket right next to the battery.
Will this fix my P0700 check engine light code?
A P0700 code is a general transmission fault request. While this module often resolves the underlying issues that cause a P0700, it’s important to have the specific transmission codes (e.g., P0751, P0756) read to confirm the diagnosis. This part is the direct solution for a wide range of internal TCM and solenoid circuit faults.
Is this compatible with other part numbers?
Yes, this T42 module is a direct replacement for a wide range of service numbers, including 24252114, 24234503, 24242391, and many others listed in the vehicle fitment data. If you have a T42 TCM in your GM vehicle, this is the correct part.
Is there a core charge for my old part?
No, there is no core charge required for this 2007-2009 Tahoe transmission control module. You can keep your old part without any hassle or additional cost.