Is your 2007 GMC Sierra 2500 struggling with harsh shifts, getting stuck in gear, or throwing transmission codes? A faulty TCM can sideline your workhorse truck, costing you valuable time and money. This VIN-programmed T42 Transmission Control Module is the direct-fit solution to restore the reliable, powerful performance you depend on. Get your truck out of limp mode and back on the job with a component designed for durability and precision.
Common Symptoms & Your Solution
A failing transmission control module can cause a host of frustrating issues. If your truck is experiencing any of the following, this part is the definitive solution:
- Erratic or harsh gear changes
- Delayed engagement from park to drive or reverse
- The vehicle is 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 faults
- Complete failure to shift gears
Installing this pre-programmed 2007 GMC Sierra 2500 transmission control module correctly addresses these problems by restoring clear communication between your engine and transmission, ensuring every shift is smooth and timed perfectly.
Features & Benefits
- ✔ Plug & Play Installation: This module arrives pre-programmed to your truck’s specific VIN. This critical step eliminates the need for expensive dealership programming, saving you hundreds of dollars and significant downtime.
- ✔ Restored Drivability: By precisely controlling shift points and torque converter lockup, this TCM restores the smooth, predictable performance your Sierra was built to deliver, whether you’re towing a heavy load or cruising on the highway.
- ✔ Built for Reliability: Engineered to meet strict OEM standards, this component is built to withstand the demanding conditions of a work truck, providing a long-lasting solution to your transmission problems.
- ✔ Guaranteed Performance: This unit is backed by our one-year replacement warranty.
- ✔ Direct-Fit Compatibility: This is a direct replacement for a wide range of GM service numbers, including 24252114, 24234503, 24243901, and more, ensuring a perfect fit and function.
Expert Insight: The Critical Role of VIN Programming
For a vehicle like the 2007 Sierra 2500, the Transmission Control Module isn’t a one-size-fits-all part. It works with the Engine Control Module (ECM) to manage everything from shift firmness to fuel economy based on your specific engine (6.0L V8), axle ratio, and tire size. Our VIN programming process loads the latest GM-approved software and calibrations specific to your truck. This ensures the 2007 GMC Sierra 2500 transmission control module operates exactly as the factory intended, preventing potential damage and ensuring optimal performance from day one. Skipping this step is a common cause of repeat failures and persistent shifting issues.
With a straightforward installation process that takes less than 30 minutes, you can get your truck back to peak condition quickly. For the 2007 Sierra 2500 (new body style), the TCM is conveniently located next to the battery in the engine compartment. Simply disconnect the battery, swap the module, and clear any remaining codes with a scan tool to complete the job. This is the most effective way to solve your transmission woes and get back to work with confidence.
Frequently Asked Questions
Do I need to program this module after I receive it?
No. This module is fully pre-programmed to your vehicle’s VIN before it ships. It is ready for installation right out of the box, with no need for a trip to the dealership or a specialized scan tool for programming.
Where is the TCM located on my 2007 Sierra 2500?
For the 2007 GMC Sierra 2500 with the new body style (smooth door skin), the transmission control module is located in the engine compartment, right next to the battery.
Will this fix a P0700 diagnostic trouble code?
Yes, in many cases it will. The P0700 code is a general fault code indicating the TCM has detected a problem. A failing module is one of the most common root causes for this code, and replacing it with our programmed 2007 GMC Sierra 2500 transmission control module is often the correct solution.
Is this a new or used part?
This is an OEM-quality replacement component built to meet or exceed original factory specifications, ensuring reliable, long-term performance for your truck.
Is there a core charge for my old part?
No, there is no core charge required. You can keep your old part without the hassle of returning it.