End Transmission Frustration in Your GMC Envoy
Are you experiencing erratic shifting, frustrating delays, or a transmission stuck in limp mode? A faulty Transmission Control Module (TCM) is often the culprit, causing check engine lights and unpredictable driving behavior. This T42 TCM, service number 24234274, is the definitive, pre-programmed solution designed to restore the smooth, reliable performance your GMC Envoy was built for. Forget expensive dealership visits and complex programming tools—this module arrives ready for a direct, plug-and-play installation.
Common Symptoms & Your Solution
If your vehicle is exhibiting any of the following signs, this module is your answer. It directly addresses issues that compromise your vehicle’s safety and performance, making it the ideal replacement 2006-2009 GMC Envoy transmission control module.
- Harsh, jerky, or delayed gear shifts
- Vehicle is stuck in one gear (limp mode)
- 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
- Noticeably poor fuel economy
- Complete loss of transmission communication
Features & Tangible Benefits
- ✔ Plug-and-Play Installation: This module is expertly programmed to your vehicle’s specific VIN number. This ensures perfect communication with your vehicle’s systems right out of the box, eliminating the need for costly dealership programming.
- ✔ Restore Smooth Performance: By precisely managing shift points, torque converter lockup, and line pressure, this TCM brings back the crisp, predictable shifting you expect, enhancing both comfort and drivability.
- ✔ Built for Durability: Constructed to meet strict OEM specifications, this module is engineered for long-lasting reliability, ensuring it can handle the demands of daily driving. This is the quality solution for your 2006-2009 GMC Envoy transmission control module.
- ✔ Broad Compatibility: Interchangeable with a wide range of part numbers including 24252114, 24234503, and 24230461, making it a versatile fix for many GM vehicles.
- ✔ One-Year Protection: This unit is backed by our one-year replacement warranty, giving you confidence in your repair.
Expert Insight: The Power of VIN Programming
Why is VIN programming so critical? Your vehicle’s TCM doesn’t just shift gears; it’s in constant communication with the Engine Control Module (ECM) and other sensors. A generic, non-programmed module can’t speak this unique language, leading to persistent error codes and poor performance. Our process flashes the module with the latest GM software specific to your VIN, ensuring it works seamlessly with your Envoy’s exact configuration. This is the key to a successful, one-time repair that saves you hundreds in diagnostic and programming fees at a shop.
By installing this fully programmed 2006-2009 GMC Envoy transmission control module, you are not just replacing a part; you are restoring your vehicle’s core functionality and your confidence on the road. The installation is straightforward for a DIYer or any professional technician, typically taking less than 30 minutes. Regain control and enjoy a smoother, more reliable drive.
Frequently Asked Questions
What does a Transmission Control Module do?
The TCM is the electronic brain of your automatic transmission. It collects data from various sensors in the vehicle and uses that information to control when and how the transmission shifts gears, ensuring optimal performance, fuel efficiency, and smooth operation.
Is this module difficult to install?
Installation is generally straightforward. On the GMC Envoy, the TCM is typically located in the LH (driver’s side) engine compartment. The process involves disconnecting the battery, unplugging the old module’s electrical connectors, unbolting it, and installing the new one in its place. Since it’s pre-programmed, no further steps are needed.
Will this fix my specific transmission error codes?
This module is designed to resolve common transmission-related DTCs, including general communication faults like P0700 and specific solenoid codes (e.g., P0750-P0758). If the module itself is the source of the fault, this replacement will clear those codes after installation.
Do I need to go to a dealer after installation?
No. The primary benefit of our module is that it is pre-programmed to your vehicle’s VIN. This eliminates the need for any additional programming or ‘flashing’ that would typically require a trip to a dealership or a specialized repair shop with expensive scan tools.
What happens if I install a non-programmed module?
A non-programmed or incorrectly programmed module will not be able to communicate properly with your vehicle’s other computers. This will result in the same or even new shifting problems, persistent check engine lights, and the vehicle may not start or move at all.