Get Your Truck Back on the Road, Fast.
Is your 2006-2014 Chevrolet Express 1500 or other GM vehicle suffering from transmission troubles? Harsh shifting, getting stuck in gear, or a persistent check engine light can bring your workday to a halt. This T42 Transmission Control Module (TCM), service number 24240449, is the definitive, no-nonsense solution. We pre-program it to your vehicle’s specific VIN, making it a true plug-and-play fix that eliminates the need for an expensive trip to the dealership. Restore the reliable performance you depend on and get back to business.
Common Symptoms & Your Solution
A failing TCM can cause a host of frustrating and debilitating issues. If you’re experiencing any of the following, this module is the solution you need:
- Abrupt, harsh, or erratic gear shifts
- Delayed engagement when shifting into Drive or Reverse
- The vehicle is stuck in “limp mode” (usually 2nd or 3rd gear)
- Active Check Engine or Transmission warning lights
- Diagnostic Trouble Codes (DTCs) such as P0700, P0750, or other solenoid-related faults
- Failure to upshift or downshift correctly, leading to poor fuel economy
This Programmed 24240449 Transmission Control Module directly addresses these problems by restoring precise communication between your engine and transmission, ensuring your vehicle operates exactly as it should.
Features & Benefits
- ✔ VIN-Programmed for Your Vehicle: Arrives ready for installation with the latest GM software updates tailored to your specific vehicle. This eliminates compatibility errors and the need for costly dealer programming.
- ✔ Restores Transmission Performance: Regain smooth, predictable shifting and proper torque converter lockup for improved drivability and fuel efficiency.
- ✔ A Dependable, Direct-Fit Solution: Engineered to meet or exceed original equipment specifications for a perfect fit and reliable, long-term operation in your work van or truck.
- ✔ Clear Fault Codes for Good: A correctly functioning TCM is essential for resolving persistent transmission-related DTCs and keeping warning lights off your dashboard.
- ✔ No Core Charge Required: Keep your old part without the hassle or expense of a core return, simplifying your repair process.
- ✔ This unit is backed by our one-year replacement warranty.
Expert Insight: The ‘Brain’ of Your Transmission
Think of the TCM as the dedicated computer for your automatic transmission. It constantly analyzes data from sensors on the engine and transmission to decide the perfect moment to shift gears. When it fails, the communication breaks down, leading to the rough performance you feel. Our VIN programming service is critical because it’s not just about loading software; it’s about loading the correct software for your vehicle’s specific configuration—engine, axle ratio, and tire size. This precision is what makes our Programmed 24240449 Transmission Control Module a reliable fix, not just a replacement part.
Frequently Asked Questions
Is this module truly “plug and play”?
Yes. Because we program the module to your vehicle’s VIN before shipping, it is ready to be installed and function correctly without any further programming or setup required from a dealership. It’s designed to be as straightforward as possible.
How do I know if my TCM is the problem?
Common signs include erratic shifting, the vehicle being stuck in one gear (limp mode), and specific diagnostic codes like P0700. While these are strong indicators, it’s always best to have a professional diagnosis to confirm the TCM is the source of the fault.
Where is the TCM located on my 2008 Express Van?
The location can vary by model. On many GM trucks and vans like the Express or Savana, the TCM is located in the engine compartment on the right-hand (passenger) side. On other models, it could be near the battery or under the air cleaner box. Always consult a service manual for your specific vehicle for the exact location.
Do I need any special tools for installation?
Basic hand tools are typically all that’s required for the installation, which usually takes less than 30 minutes. We recommend disconnecting the battery before you begin and using a basic scan tool to clear any stored codes after the new module is installed.
Will this fit other GM vehicles besides the Express 1500?
Absolutely. This T42 TCM is compatible with a wide range of 2006-2014 GM vehicles equipped with 4-speed automatic transmissions like the 4L60E and 4L65E, including the Silverado, Sierra, Tahoe, Yukon, Impala, and many more. Please check the fitment list to confirm it’s correct for your vehicle.
Do I have to send my old part back?
No. We do not require a core return for this part. You can keep or dispose of your old module at your convenience, saving you time and return shipping costs.