Get Your Truck Back on the Job, Shifting Smoothly
A truck that can’t shift reliably is a truck that can’t work. If your Silverado, Sierra, or other GM vehicle is suffering from harsh shifting, getting stuck in gear, or throwing transmission codes, the problem often lies with a failed Transmission Control Module (TCM). This genuine OEM-quality T42 TCM is the definitive solution, arriving pre-programmed to your vehicle’s specific VIN. This means no expensive trips to the dealership for programming—it’s a true plug-and-play fix that gets you back on the road with confidence and minimal downtime. Restore the crisp, predictable shifting your vehicle had when it was new with our expertly Programmed T42 TCM 24234503.
Common Symptoms & Your Solution
A failing TCM can cause a host of frustrating and potentially damaging issues. If you’re experiencing any of the following, this module is your solution:
- Harsh, erratic, or delayed gear shifts
- Vehicle stuck in “limp mode” (often 2nd or 3rd gear)
- Check Engine Light or Transmission Warning Light is on
- Diagnostic Trouble Codes (DTCs) such as P0700, P0750, or other solenoid-related codes
- Failure to upshift or downshift properly
- Poor fuel economy and potential transmission overheating
Installing this pre-programmed module directly addresses the electronic brain of your transmission, correcting these faults and restoring its original performance and reliability.
Features & Benefits
- ✔ 100% Plug-and-Play Installation: This module is professionally programmed to your vehicle’s VIN number before shipping. This critical step ensures complete compatibility and eliminates the need for additional, costly dealership programming.
- ✔ Restored Transmission Performance: By replacing your faulty unit, you’ll restore precise electronic control over gear changes, torque converter lockup, and line pressure, resulting in a smoother, more efficient driving experience.
- ✔ Solve Annoying Warning Lights: A correctly functioning Programmed T42 TCM 24234503 will resolve the root cause of many transmission-related check engine lights and DTCs.
- ✔ Built to OEM Standards: Engineered for durability and reliability, this module is designed to withstand the demanding conditions of a work truck or daily driver, ensuring long-lasting performance.
- ✔ Peace of Mind Guaranteed: This unit is backed by our one-year replacement warranty.
Expert Insight: Why VIN Programming is Non-Negotiable
Many sellers offer “blank” control modules, but that’s only half the solution. A blank TCM doesn’t have the specific software and calibration tables for your vehicle’s engine, tire size, and axle ratio. Installing one requires a high-end scan tool and a subscription to manufacturer software—a costly trip to a dealership or specialty shop. Our VIN programming service handles this for you. We flash the module with the latest GM-certified software for your exact vehicle, so when it arrives, it’s ready to install and perform flawlessly right out of the box. This is the smartest, most efficient way to complete the repair correctly the first time.
Whether you’re a professional mechanic or a determined DIYer, this Programmed T42 TCM 24234503 is the most reliable and straightforward way to fix your GM vehicle’s transmission problems. Don’t let a faulty module sideline your vehicle any longer.
Frequently Asked Questions
What does the T42 TCM actually do?
The Transmission Control Module (TCM) is the computer that controls all functions of your automatic transmission. It reads data from various sensors to determine the perfect time to shift gears, control fluid pressure, and engage the torque converter clutch for optimal performance and fuel efficiency.
Is this part really plug-and-play?
Yes. Because we program the module to your vehicle’s specific VIN before shipping, it will be ready for installation right out of the box. No further programming or dealership visits are required. Simply disconnect the battery, swap the module, and reconnect the battery.
Will this fix a P0700 diagnostic trouble code?
A P0700 code is a general fault code indicating that the TCM has detected a problem and has requested the check engine light be turned on. While this module often resolves the underlying issue causing the P0700, it’s important to have the vehicle scanned for other specific transmission codes (e.g., P0751, P0756) to confirm the TCM is the root cause.
Where is this module located on my vehicle?
The location varies by model. Common locations include next to the battery, on the LH or RH side of the engine compartment, under the air cleaner box, or on the LH strut tower. Your vehicle’s service manual can provide the exact location.
Do I need to send my old part back?
No, there is no core charge for this part. You can keep or dispose of your old module, making the replacement process simple and hassle-free.