Restore Flawless Shifting in Your GM Vehicle
Are you battling with harsh, erratic shifting, a persistent check engine light, or your vehicle being stuck in limp mode? These frustrating symptoms often point directly to a failing Transmission Control Module (TCM). This genuine GM T42 TCM is the definitive solution, arriving expertly programmed to your vehicle’s specific VIN. This crucial step ensures a seamless, plug-and-play installation, restoring the smooth, reliable performance your truck, van, or SUV had from the factory. Eliminate the guesswork and costly dealership visits with a part that’s ready to work right out of the box.
Common Symptoms & Your Solution
A faulty TCM can disrupt your entire driving experience. If you’re noticing any of the following, it’s time for a replacement. This module is engineered to resolve these exact issues:
- Harsh or delayed gear engagement
- Vehicle stuck in a single gear (limp mode)
- Transmission or Check Engine warning lights on the dash
- Diagnostic Trouble Codes (DTCs) such as P0700, P0750, or other solenoid-related faults
- Failure to upshift or downshift correctly
- Poor fuel economy and potential transmission overheating
By installing our VIN programmed 24238856 T42 TCM, you are not just replacing a part; you are providing a direct, pre-configured fix that communicates perfectly with your vehicle’s entire powertrain system from the moment it’s connected.
Features & Benefits
- âś” Ready for Installation: This module comes pre-programmed to your vehicle’s unique VIN. This eliminates the need for expensive scan tools or a trip to the dealership for flashing, saving you time and money.
- âś” Restore Smooth Shifting: By precisely managing shift points, torque converter lockup, and line pressure, this TCM brings back the crisp, predictable shifting you can depend on.
- âś” Guaranteed Compatibility: Engineered to OEM specifications, this module is a direct replacement for a wide range of service numbers, including 24252114, 24234503, and 24230461, ensuring a perfect fit and function.
- âś” Durable and Reliable: Built to withstand the harsh conditions of the engine bay, this component ensures long-term reliability for daily driving, hauling, or commercial use.
- âś” Peace of Mind: This unit is backed by our one-year replacement warranty.
From the Mechanic’s Bay: We see it all the time—a customer installs a new TCM from a big box store, but the shifting problems persist or new error codes appear. Why? Because the module wasn’t programmed. A TCM is the ‘brain’ of the transmission; it needs to speak the exact same language as your vehicle’s main computer (ECU). Our VIN programming service is the critical step that ensures this perfect communication, preventing the common headaches and comebacks associated with unprogrammed modules. It’s the difference between a frustrating weekend and a successful 30-minute repair.
Frequently Asked Questions
What does a T42 TCM do?
The Transmission Control Module (TCM) is a computer that controls your automatic transmission. It reads data from various sensors to manage gear shifts, fluid pressure, and torque converter operation, ensuring optimal performance, fuel efficiency, and smooth driving.
Is this part really “plug and play”?
Yes. Because we program the module to your specific Vehicle Identification Number (VIN) before shipping, it is ready for immediate installation. Once installed, you simply need to clear any old codes with a standard scan tool. No additional dealership programming is required.
How do I provide my VIN?
You will be prompted to enter your vehicle’s 17-digit VIN during the checkout process. Please double-check it for accuracy to ensure perfect programming.
Where is the TCM located on my vehicle?
The location varies by model. Common locations include the engine compartment on the driver’s or passenger’s side, next to the battery, under the air cleaner box, or on the LH strut tower. Your vehicle’s service manual will show the exact location.
Do I need to return my old part (core)?
No, there is no core charge for this part. You can keep or dispose of your old module without the hassle of returning it.
Don’t let a faulty module keep your reliable GM vehicle off the road. Order your VIN programmed 24238856 T42 TCM today and restore your transmission’s peak performance with confidence.