Restore Peak Transmission Performance in Your GM Truck or SUV
Is your 2007 GMC Sierra 2500 experiencing frustrating and unpredictable shifting? A faulty Transmission Control Module (TCM) is often the culprit behind symptoms like harsh gear changes, getting stuck in limp mode, or the dreaded check engine light. This genuine quality T42 TCM, service part number 24235753, is the definitive solution to restore the crisp, smooth operation you expect from your vehicle. As the electronic brain of your automatic transmission, the TCM is responsible for managing shift points, torque converter clutch engagement, and line pressure. When it fails, drivability suffers. This replacement module arrives pre-programmed to your vehicle’s specific VIN, eliminating the need for expensive dealership visits and ensuring a seamless, plug-and-play installation.
From the Diagnostic Bay
We had a 2008 Silverado in the shop that was driving the owner crazy. It had intermittent harsh 1-2 shifts and would occasionally throw a solenoid performance code. The owner had already replaced two of the shift solenoids himself, but the problem persisted. After hooking up our professional scan tool and monitoring the data, we noticed the command signals from the TCM were erratic just before the harsh shift occurred. The solenoids were just doing what they were told. We installed one of our VIN-programmed T42 modules, and the truck has been shifting perfectly ever since. It’s a classic case of treating the cause, not just the symptom.
Symptoms of a Failing T42 TCM
- âś” Unpredictable or harsh shifting between gears.
- âś” The vehicle feels stuck in one gear (limp mode).
- âś” Delayed engagement when shifting from Park to Drive or Reverse.
- âś” Illumination of the Check Engine Light or Transmission Warning Light.
- âś” Diagnostic Trouble Codes (DTCs) such as P0700, P0750, or other solenoid-related faults.
- âś” Poor acceleration and decreased fuel economy.
- âś” Complete loss of communication with the transmission module.
Why Choose Our Programmed 2007 Sierra 2500 TCM?
Choosing the right replacement part is critical for a lasting repair. Our T42 TCMs are meticulously prepared to meet and exceed original equipment standards. The most significant benefit is our complimentary VIN programming service. When you provide your vehicle’s VIN during checkout, our technicians flash the module with the latest GM software specific to your truck. This ensures that all shift strategies and operational parameters are perfectly matched to your vehicle’s factory settings. This process corrects common software glitches that may have existed in the original unit and guarantees optimal performance and fuel efficiency right out of the box. This is the most reliable way to fix your transmission issues without paying for additional programming at a dealership.
Simple Installation and Wide Compatibility
This module is designed for a straightforward installation that can typically be completed in under 30 minutes with basic hand tools. Depending on your specific model, the TCM is located in the engine compartment, often near the battery, on a strut tower, or under the air cleaner box. Simply disconnect the battery, unplug the electrical connectors from the old module, unbolt it, and install the new one in its place. Once installed, reconnect the battery and clear any remaining codes with a scan tool for a fresh start.
This T42 TCM is a direct replacement for a wide range of 2006-2014 General Motors vehicles equipped with 4-speed automatic transmissions like the 4L60E, 4L65E, 4L70E, and 4L80E. It is interchangeable with numerous part numbers, including 24252114, 24234503, 24230461, 24234274, and more, making it a versatile solution for your repair needs.
Frequently Asked Questions
What is VIN programming and why is it essential?
VIN programming is the process of loading your vehicle’s specific software and calibration files onto the transmission control module. This ensures the TCM communicates correctly with your engine computer and other vehicle systems, controlling shift points and pressures exactly as the manufacturer intended. It is essential for plug-and-play installation and optimal performance.
Do I need to take this 2007 Sierra 2500 TCM to a dealer after installation?
No. Because we pre-program the module to your vehicle’s VIN before shipping, no further programming or dealership visits are required. It is ready for installation and use right out of the box.
Where is the TCM located on my vehicle?
On most GM trucks and SUVs from this era, including the Sierra 2500, the T42 TCM is located in the engine compartment. Common locations are next to the battery, on the driver’s side strut tower, or under the air filter housing.
Will this module fix a P0700 trouble code?
A P0700 code is a general fault request from the TCM to the Engine Control Module (ECM) to turn on the check engine light. While this module can resolve the underlying issue causing the P0700, it’s important to scan for more specific transmission codes (e.g., P07xx series) to confirm the TCM is the root cause.
Is there a core charge for this part?
No, we do not require a core charge for this transmission control module. You can keep your old part without the hassle of returning it.
What kind of warranty is included?
This module is backed by a comprehensive one-year warranty, giving you peace of mind and protection for your investment.