Get Your Hardworking Sierra Shifting Smoothly Again
Is your 2007-2013 GMC Sierra 1500 suffering from harsh shifting, getting stuck in gear, or throwing transmission codes? A faulty Transmission Control Module (TCM) can sideline even the most dependable truck, costing you time and money. This genuine GM T42 TCM is the definitive solution, arriving pre-programmed to your truck’s specific VIN. This eliminates the need for expensive dealership programming, allowing for a straightforward, plug-and-play installation that gets you back on the road with confidence.
Common Symptoms & Your Solution
If your truck is experiencing any of the issues below, a failing TCM is the most likely culprit. This module is engineered to resolve these exact problems:
- Harsh, erratic, or delayed gear shifts
- Vehicle stuck in “limp mode” (usually 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 faults
- Failure to upshift or downshift properly
- Poor fuel economy and transmission overheating
Installing this pre-programmed 2007-2013 Sierra 1500 TCM 24235340 is the most effective way to restore your transmission’s original performance and reliability.
Features & Benefits
- ✔ VIN-Programmed for Your Truck: We program the module to your vehicle’s VIN before shipping. It arrives ready for installation with the latest GM software updates, ensuring perfect communication between the engine and transmission right out of the box.
- ✔ Eliminates Dealership Hassle: Skip the costly trip to the dealer. Our programming process means you can install this yourself or have your local mechanic do it without needing specialized GM diagnostic tools for setup.
- ✔ Restores Transmission Performance: By precisely managing shift points, torque converter lockup, and line pressure, this TCM restores the smooth, predictable performance you rely on for towing, hauling, or daily driving.
- ✔ Built to OEM Standards: This is not a cheap knock-off. It’s a quality component built to meet or exceed General Motors’ strict specifications for durability and longevity, ensuring it can handle the demands of your Sierra.
- ✔ Direct-Fit Replacement: Guaranteed to be a perfect match for a wide range of service numbers including 24252114, 24234503, 24230461, and 24235340.
- ✔ Peace of Mind Protection: This unit is backed by our one-year replacement warranty.
From the Mechanic’s Bench
“I’ve seen countless Sierra and Silverado trucks come into the shop with shifting problems that stump owners. Nine times out of ten, it’s the TCM. The real issue isn’t just swapping the part; it’s the programming. A generic module from a big-box store won’t work correctly because it can’t talk to the truck’s other computers. Getting a VIN-programmed module like this one is the only way to do the job right. It saves my customers hundreds in dealer fees and ensures the truck leaves the bay shifting like it just rolled off the factory floor. For a work truck, that reliability is everything.”
Frequently Asked Questions
What does ‘VIN Programmed’ actually mean?
It means we use your truck’s 17-digit Vehicle Identification Number (VIN) to load the exact factory software and calibration files onto the module before we ship it. This ensures the TCM works perfectly with your truck’s specific engine, transmission, and options, making the installation truly plug-and-play.
Is this part difficult to install on my Sierra 1500?
No, for someone with basic mechanical skills, it’s a straightforward job. On most 2007-2013 Sierra models, the TCM is located in the engine compartment next to the battery. You simply disconnect the battery, unplug the electrical connectors from the old module, unbolt it, and install the new one. The entire process typically takes less than 30 minutes.
Will this fix my specific error code, like P0700?
A P0700 code is a general fault code indicating the TCM has detected a problem. This module is the most common solution for P0700 and related solenoid or shifting codes. After installation, you should use a basic scan tool to clear any stored codes from the vehicle’s memory.
Do I need to send my old TCM back?
No, there is no core charge for this part. You can keep or dispose of your old module, saving you the time and hassle of a return shipment.
Is this the correct part for my truck?
This 2007-2013 Sierra 1500 TCM 24235340 is a direct replacement for numerous GM trucks, vans, and SUVs from 2006-2014 equipped with 4-speed automatic transmissions like the 4L60E and 4L70E. Please check the detailed fitment list on this page or contact us with your VIN to confirm compatibility.