Restore Smooth, Reliable Shifting to Your GM Vehicle
Is your Silverado, Tahoe, or other GM vehicle suffering from harsh shifts, getting stuck in gear, or throwing persistent transmission codes? A faulty Transmission Control Module (TCM) can bring your daily drive to a grinding halt, causing frustration and uncertainty. Get back on the road with confidence using this VIN-programmed T42 TCM, the definitive solution for restoring your transmission’s original performance and reliability. This isn’t just a replacement part; it’s a complete, ready-to-install fix for your transmission woes.
Common Symptoms & Your Solution
If you’re experiencing any of the issues below, a failing TCM is the most likely culprit. This Programmed 24256960 TCM is engineered to directly resolve these problems, clearing diagnostic trouble codes (DTCs) and restoring communication between your engine and transmission.
- 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
- DTCs such as P0700, P0750, or other solenoid-related codes
- Failure to upshift or downshift properly
- Poor fuel economy and potential transmission overheating
- Complete loss of transmission function
Features & Benefits
- โ Ready for Installation Out of the Box: We pre-program this module to your vehicle’s specific VIN using the latest GM software. This eliminates the need for expensive dealership visits or special scan tools, making it a true plug-and-play solution.
- โ Restores Factory Performance: By precisely managing shift points, torque converter lockup, and line pressure, this module ensures your transmission operates exactly as the manufacturer intended, providing smooth acceleration and improved fuel efficiency.
- โ Solves Annoying Electrical Faults: This module is the core of your transmission’s electronic system. Replacing a faulty one with our Programmed 24256960 TCM resolves common communication errors and clears stubborn codes that other repairs can’t fix.
- โ Built to OEM Specifications: Engineered to meet or exceed original equipment standards for durability and function, ensuring it can handle the demands of a work truck like a Silverado or the daily use of a family SUV like a Tahoe.
- โ Guaranteed Performance: This unit is backed by our one-year replacement warranty.
- โ No Core Charge Required: Keep your old part without the hassle or extra cost of a core return, simplifying your repair process.
From the Mechanic’s Bay: Why VIN-Specific Programming is Non-Negotiable
We see it all the time: a customer buys a generic TCM online, installs it, and the problems get worse. That’s because on modern GM vehicles, the TCM is coded specifically to that truck’s VIN. It knows the engine size, axle ratio, and tire size. Without the correct programming, the transmission doesn’t know when to shift, leading to damage and driveability issues. Our VIN programming service isn’t an add-on; it’s the most critical step to ensure your new Programmed 24256960 TCM works perfectly the first time, every time.
Frequently Asked Questions
What exactly does a VIN-programmed TCM do?
Programming the Transmission Control Module (TCM) with your vehicle’s unique Vehicle Identification Number (VIN) loads the exact software and calibrations specified by GM for your truck or car’s specific configuration (engine, axle ratio, tire size). This ensures perfect communication and optimal shift strategy, something a generic, non-programmed module cannot provide.
Is this a difficult part to install?
No, this is a very straightforward installation for a DIYer with basic tools. The TCM is typically located in the engine compartment and held in place by a few bolts. The entire process usually takes less than 30 minutes. Simply disconnect the battery, swap the module, and reconnect the battery.
Will this fix a P0700 trouble code?
A P0700 code is a general fault code indicating the TCM has detected a problem. While this module often resolves the root cause of a P0700, it’s essential to check for other specific codes (like solenoid or sensor codes) that are stored alongside it. In many cases, a faulty TCM is the primary issue, and replacing it will clear the codes after installation.
Do I need to send my old part back?
No, there is no core charge or requirement to return your old module. This simplifies the process for you, saving you time and return shipping costs.
How do I know this is the right TCM for my vehicle?
This T42 TCM (24256960) fits a wide range of 2006-2014 GM vehicles. The best way to confirm is to check the service number on your original module or use the detailed fitment list on this page. When you provide your VIN during checkout, we perform a final verification to guarantee compatibility before programming and shipping.