Get Your Sierra Back on the Job, Fast
When your 2007 GMC Sierra 2500 is your workhorse, you can’t afford the downtime caused by a faulty transmission control module. Harsh shifting, getting stuck in limp mode, and persistent warning lights aren’t just annoyances—they cost you time, money, and confidence in your truck. Get your Sierra back to dependable, smooth operation with our pre-programmed T42 TCM, the direct-fit solution designed to restore your transmission’s performance right out of the box.
Common Symptoms & Your Solution
If you’re experiencing any of the following issues, a failing TCM is the most likely culprit. This module is the definitive solution for:
- Harsh, erratic, or delayed gear shifts
- The vehicle being stuck in “limp mode” (usually 2nd or 3rd gear)
- Check Engine Light or Transmission warning lights with DTCs like P0700, P0750, or other solenoid-related codes
- Failure to upshift or downshift, leading to poor fuel economy
- Complete loss of communication with the transmission
Our T42 is the reliable fix that gets your truck out of the shop and back to work. As a crucial component for your vehicle, this 2007 Sierra 2500 transmission control module ensures every command is executed flawlessly.
Features & Tangible Benefits
- ✔ Plug-and-Play Installation: This module arrives pre-programmed to your truck’s specific VIN. No expensive trips to the dealership for programming are required, saving you hundreds of dollars and significant downtime.
- ✔ Restored Drivability: By precisely managing shift points, torque converter lockup, and line pressure, this TCM eliminates jerky shifting and restores the smooth, predictable performance your truck had from the factory.
- ✔ Built for Durability: Engineered to meet or exceed strict OEM standards, this module is built to handle the tough demands of a work truck, from daily driving to heavy towing.
- ✔ Guaranteed Compatibility: This unit is a direct replacement for a wide range of service numbers, including 24242391, 24234503, and 24252114, ensuring a perfect fit for your 4-speed automatic (4L60E, 4L65E, 4L70E, 4L80E).
- ✔ Warranty Protection: This unit is backed by our one-year replacement warranty.
Expert Insight: Why VIN Programming is Non-Negotiable
A modern transmission is a complex network of electronics. The TCM is the brain, and if it isn’t speaking the exact ‘language’ of your truck’s VIN, you’ll get more problems than you started with. Generic or non-programmed modules often fail to communicate correctly with the engine computer (ECU) and other systems, leading to persistent error codes and poor performance. Our VIN-specific programming ensures this 2007 Sierra 2500 transmission control module is a perfect digital match, not a close guess. It’s the difference between a one-time, permanent fix and a recurring diagnostic nightmare.
Frequently Asked Questions
Do I need to take this part to a dealer for programming?
Absolutely not. We program the module to the VIN you provide during checkout. It will arrive ready to install and function immediately, saving you the time and expense of a dealership visit.
Where is the TCM located on my 2007 Sierra 2500?
On the 2007 Sierra 2500 (new body style), the transmission control module is typically located in the engine compartment, right next to the battery. Always disconnect the battery before beginning the replacement.
Will this fix a P0700 trouble code?
A P0700 code is a general fault request from the TCM to the main engine computer. While it doesn’t pinpoint the exact issue, it very often indicates an internal failure of the TCM itself. Replacing the module is a common and effective solution for this code.
Is this a difficult part to install myself?
For someone with basic mechanical skills, this is a straightforward job. It typically involves disconnecting the battery, unplugging the electrical connectors, and unbolting the old module. The entire process can usually be completed in under 30 minutes with basic hand tools.
Is there a core charge for my old part?
No, there is no core charge. You can keep your old part without any hassle or need to return it, simplifying the repair process for you.
Don’t let a faulty TCM sideline your truck. Order your pre-programmed 2007 Sierra 2500 transmission control module today and restore the dependable performance you rely on.
