Is your 2007-2008 Chevrolet Avalanche 1500 suffering from harsh, erratic shifting, getting stuck in gear, or flashing a check engine light? These are classic signs of a failing Transmission Control Module (TCM). Don’t let a faulty module sideline your versatile truck. This T42 TCM arrives expertly programmed to your vehicle’s specific VIN, providing a direct, plug-and-play solution that restores the dependable performance you rely on for work, family, and recreation.
Common Symptoms & Your Direct 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 the definitive fix. It directly addresses problems like harsh gear engagement, slipping between gears, or being stuck in “limp mode” (usually 2nd or 3rd gear). It is designed to clear persistent diagnostic trouble codes (DTCs) such as P0700, P0750, and various solenoid-related faults. By replacing your old unit with our pre-programmed 2007-2008 Avalanche 1500 TCM, you’re not just swapping a part—you’re installing a permanent solution that brings back smooth operation and peace of mind.
- ✔ Ready to Install: Arrives pre-programmed to your Avalanche’s specific VIN using the latest GM software. This eliminates the need for expensive dealership programming, saving you significant time and money.
- ✔ Restore Peak Performance: Regain the smooth, predictable shifting your truck had from the factory. This module correctly manages all shift points, line pressure, and torque converter lockup for optimal drivability and fuel economy.
- ✔ Built for Durability: Engineered to meet or exceed strict OEM specifications, ensuring long-lasting reliability whether you’re towing a trailer or navigating city streets. This unit is backed by our one-year replacement warranty.
- ✔ Guaranteed Fitment: A direct replacement for a wide range of GM service numbers, including 24240449, 24252114, and 24234503, ensuring perfect compatibility with your vehicle’s 4-speed automatic transmission (4L60E, 4L65E, 4L70E).
Expert Insight: Why VIN Programming is Non-Negotiable
As a technician, I’ve seen countless drivers install a generic, unprogrammed TCM only to find their problems persist or new ones appear. That’s because the TCM is the ‘brain’ of your transmission, and it needs to speak the exact same language as your truck’s main computer (ECU). Our VIN programming process ensures this crucial communication is flawless from the moment of installation. We sync the module to your Avalanche’s unique factory settings, preventing the compatibility errors that plague off-the-shelf parts and ensuring every shift is executed exactly as the manufacturer intended.
Installation is straightforward for the DIY mechanic. Located in the engine bay next to the battery, this 2007-2008 Avalanche 1500 TCM can typically be swapped in under 30 minutes. Simply disconnect the battery, unbolt the old module, plug in the new one, and reconnect the battery. You’ll be back on the road with a transmission that feels brand new. Order your 2007-2008 Avalanche 1500 TCM today and restore the confidence you have in your truck.
Frequently Asked Questions
Will this part fit my specific 2007 Avalanche?
Yes, this module is specifically for the 2007-2008 Chevrolet Avalanche 1500 with a 4-speed automatic transmission. Our VIN programming process ensures it is a perfect match for your vehicle’s factory configuration.
Is any additional programming required after installation?
No. This Transmission Control Module comes fully programmed to your vehicle’s VIN. It is a true plug-and-play solution, requiring no further action or expensive trips to the dealership.
Will this fix my transmission codes like P0700?
Absolutely. This module is designed to resolve the internal electronic faults that cause codes like P0700 (Transmission Control System Malfunction) and other related solenoid or shifting errors. After installation, we recommend clearing any stored codes with a standard OBD2 scanner.
Where is the TCM located on my Avalanche?
On the 2007-2008 Avalanche 1500, the TCM is typically located in the engine compartment, mounted right next to the battery. This makes for a quick and accessible installation.
Do I need to return my old TCM?
No, there is no core charge for this part. You can keep your old module without any hassle or additional fees.
How do I provide my VIN for programming?
You can enter your vehicle’s 17-digit VIN during the checkout process. Please double-check it for accuracy to ensure perfect programming.