Restore Your Truck’s Dependability
Is your 2007-2008 Chevrolet Avalanche 1500 suffering from harsh, erratic shifting or stuck in limp mode? A failing Transmission Control Module (TCM) can cripple your truck’s performance, turning a reliable workhorse into a source of constant frustration. This professionally programmed T42 TCM is the definitive solution, engineered to restore the smooth, decisive shifting and dependable operation you expect from your Avalanche. It arrives ready for a straightforward, plug-and-play installation, getting you back on the road with confidence and without a mandatory trip to the dealership.
Common Symptoms & Your Solution
If you’re experiencing any of the following issues, a faulty TCM is the likely culprit. This module is designed to permanently resolve these problems:
- Abrupt, harsh, or delayed gear shifts
- Vehicle is stuck in one gear (limp mode)
- Check Engine Light is on with transmission-related codes (e.g., P0700, P0750, solenoid codes)
- Failure to upshift or downshift properly
- Noticeable decrease in fuel economy
- Complete loss of communication with the transmission
Installing this pre-programmed 2007-2008 Avalanche 1500 transmission control module is the most effective way to correct these electronic failures and restore your vehicle’s factory performance.
Features & Benefits
- ✔ VIN-Programmed for Your Avalanche: Arrives flashed with your truck’s specific VIN and the latest GM software updates. This ensures perfect communication between components for optimal shift patterns and performance, eliminating the need for expensive dealer programming.
- ✔ Restores Smooth Shifting: Directly corrects erratic shifting, delayed engagement, and slipping by precisely managing hydraulic pressure and solenoid commands, making your truck drive like new again.
- ✔ Plug-and-Play Installation: Designed for a direct-fit replacement of your original module. Simply disconnect the old unit, plug this one in, and you’re ready to go, saving you time and labor costs.
- ✔ Built for Durability: Constructed to meet or exceed strict OEM specifications, ensuring long-lasting reliability whether you’re towing, hauling, or just commuting. This isn’t just a fix; it’s a long-term solution.
- ✔ This unit is backed by our one-year replacement warranty.
Expert Insight: The Critical Role of VIN Programming
As a technician with over two decades of experience, I can’t overstate the importance of proper programming. In modern vehicles like your Avalanche, the TCM is the brain of the transmission, constantly communicating with the engine computer, ABS, and other systems. A generic, unprogrammed module simply won’t work correctly. It can cause even more shifting problems or fail to communicate at all. By programming this 2007-2008 Avalanche 1500 transmission control module to your specific VIN *before* it ships, we ensure it has the exact software calibration your truck left the factory with. This is the secret to a successful, hassle-free repair that lasts.
Frequently Asked Questions
Will this module fit my 2007 Avalanche 1500?
Yes, this T42 TCM is the correct, specified part for the 2007-2008 Chevrolet Avalanche 1500. It is programmed to your vehicle’s VIN to ensure perfect compatibility and function upon installation.
Do I need to take my truck to a dealer after installation?
No. The main benefit of this module is that it comes pre-programmed to your vehicle’s VIN. This eliminates the need for any additional programming or setup at a dealership, saving you significant time and money.
Where is the TCM located on my Avalanche?
On the 2007-2008 Avalanche 1500, the transmission control module is typically located in the engine compartment, next to the battery. Installation is straightforward and usually takes less than 30 minutes.
Is any special tool required for installation?
No special tools are required beyond basic hand tools to access the module. We recommend disconnecting the vehicle’s battery before starting the replacement. After installation, you can use a standard OBD2 scan tool to clear any stored diagnostic trouble codes (DTCs).
What if I have a different part number on my old module?
This module, service number 24234274, is interchangeable with a wide range of GM part numbers, including 24252114, 24234503, and 24256960. As long as your vehicle is listed as compatible, this programmed unit will work perfectly as a replacement.
Order your new 2007-2008 Avalanche 1500 transmission control module today and get your truck shifting perfectly again.