Is Your 2007 Silverado 2500 Shifting Erratically?
If you’re dealing with harsh shifts, delayed gear engagement, or a check engine light pointing to transmission issues, a failing Transmission Control Module (TCM) is the likely culprit. The TCM is the electronic brain of your truck’s automatic transmission, responsible for orchestrating every gear change and ensuring smooth operation. When it fails, it can leave your powerful Silverado feeling unpredictable and unreliable, sometimes even stuck in limp mode. This replacement GM T42 TCM, service number 24252114, is the definitive solution to restore your truck’s factory performance.
From the Diagnostic Bay
We had a 2007 Silverado 2500 come into the shop with the classic P0700 code and complaints of banging into gear. The owner had already replaced two shift solenoids based on other codes, but the problem persisted. After a quick scan and data stream analysis, we saw erratic commands coming from the TCM. Instead of continuing to chase individual components, we installed one of our VIN-programmed T42 modules. The truck was shifting perfectly within 30 minutes. It’s a common scenario where diagnosing the root cause—the controller—saves time and money over replacing secondary parts.
Symptoms of a Failing Silverado 2500 TCM
- ✔ Harsh, slamming, or erratic gear shifts.
- ✔ The vehicle gets stuck in one gear (limp mode), often 2nd or 3rd.
- ✔ Delayed engagement when shifting from Park to Drive or Reverse.
- ✔ Check Engine Light or Transmission Warning Light is illuminated.
- ✔ Diagnostic Trouble Codes (DTCs) such as P0700, P0750, or other solenoid-related codes are present.
- ✔ Complete loss of upshifting or downshifting capabilities.
- ✔ Poor fuel economy and potential transmission overheating.
Why Choose Our Programmed 2007 Silverado 2500 TCM?
This isn’t just a replacement part; it’s a complete, ready-to-install solution. The biggest hurdle in replacing a modern TCM is the need for expensive dealership programming. We eliminate that step entirely. By providing your vehicle’s VIN at checkout, we program the module with the latest GM software specific to your 2007 Silverado 2500. This ensures that it communicates flawlessly with your truck’s Engine Control Unit (ECU) and other systems right out of the box. It’s a true plug-and-play fix that restores optimal shift points, torque converter lockup, and overall transmission health.
Built to strict OEM standards, this T42 module ensures long-lasting reliability and performance. It directly interchanges with a wide range of part numbers, including 24234503, 24230461, 24242391, and many more, making it a versatile solution for numerous GM vehicles from 2006-2014 equipped with 4-speed automatic transmissions like the 4L60E, 4L65E, 4L70E, and 4L80E.
Simple, Hassle-Free Installation
Installation is straightforward for any DIY mechanic. On the 2007 Silverado 2500 (new body style), the TCM is typically located next to the battery in the engine compartment. Simply disconnect the battery, unplug the electrical connectors from the old module, unbolt it, and install the new one in its place. Reconnect everything, and you’re ready to go. No core charge means you don’t have to worry about the cost or hassle of sending your old part back.
Frequently Asked Questions
Will this TCM fit my specific 2007 Silverado 2500?
Yes, this T42 TCM is the correct module for the 2007 Chevrolet Silverado 2500 (new body style) with the 6.0L engine. It is pre-programmed to your VIN to ensure perfect compatibility.
Do I need to have this module programmed by a dealer?
No. This is the key benefit of our product. We program the module to your vehicle’s specific VIN before shipping it to you. This makes the installation plug-and-play, saving you a trip to the dealership and hundreds of dollars in programming fees.
Where is the TCM located on my truck?
On the 2007 Silverado 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 trouble code?
A P0700 code is a general transmission fault code, indicating that the TCM has detected a problem. While this module often resolves the root cause of a P0700, it’s essential to diagnose any other accompanying codes (like solenoid codes) to confirm the TCM is the faulty component. In many cases, a new TCM is the correct fix.
Is there a core charge for my old part?
No, there is absolutely no core charge. You can keep your old module or dispose of it without any additional fees or hassle.