Restore Your SUV’s Smooth Performance
Is your 2006 GMC Envoy XL suffering from harsh, erratic shifting, getting stuck in gear, or flashing a check engine light? These frustrating and often alarming symptoms typically point to a failing Transmission Control Module (TCM). Don’t let transmission troubles sideline your reliable family SUV. This OEM-quality T42 TCM is the definitive solution, arriving pre-programmed to your vehicle’s specific VIN for a straightforward, plug-and-play installation that restores the smooth, predictable performance you depend on.
Common Symptoms & Your Solution
A faulty TCM can cause a wide range of drivability issues. If you’re experiencing any of the following, this module is designed to be the fix:
- Abrupt, harsh, or delayed gear shifts
- Vehicle stuck in “limp mode” (usually 2nd or 3rd gear)
- Active Check Engine Light or Transmission Warning Light
- Diagnostic Trouble Codes (DTCs) such as P0700, P0750, or other solenoid-related faults
- Failure to upshift or downshift properly
- Poor fuel economy and potential transmission overheating
By replacing your old unit with this precisely programmed 2006 GMC Envoy XL transmission control module, you directly address the electronic source of these problems, eliminating the guesswork and preventing further damage to your transmission’s mechanical components.
Features & Benefits
- ✔ Plug & Play Installation: This module is expertly programmed to your vehicle’s VIN before shipping. This critical step ensures complete compatibility with your Envoy’s systems, eliminating the need for an expensive trip to the dealership for programming.
- ✔ Restored Drivability: By precisely managing shift points, torque converter lockup, and line pressure, this TCM brings back the smooth acceleration and crisp shifting your vehicle had when it was new.
- ✔ Durable & Reliable: Built to meet or exceed strict OEM standards, this module is engineered for long-lasting performance, ensuring you can rely on your transmission for years to come.
- ✔ Direct-Fit Replacement: This unit is a direct replacement for a wide range of service numbers, including 24242391, 24234503, and 24252114, guaranteeing a perfect fit and function.
- ✔ Warranty Protection: This unit is backed by our one-year replacement warranty.
Expert Insight: Why VIN Programming is Non-Negotiable
In modern vehicles like your Envoy XL, the TCM is the ‘brain’ of the transmission, communicating constantly with the Engine Control Module (ECM) and other vehicle systems. A generic, non-programmed module simply won’t work correctly. It can lead to persistent error codes, poor performance, or even prevent the vehicle from starting. Our VIN-specific programming loads your vehicle’s unique factory calibration file onto the module, making it a true electronic clone of the original part. This ensures all transmission parameters are perfectly matched to your engine, tire size, and gear ratios, which is the secret to a successful and lasting repair.
Take control of your vehicle’s health and restore its functionality with the correct part, programmed specifically for you. This 2006 GMC Envoy XL transmission control module is the most reliable and efficient way to solve your shifting problems and get back on the road with confidence.
Frequently Asked Questions
What does a transmission control module do?
The TCM is a computer that controls your automatic transmission. It reads data from various sensors in the engine and transmission to calculate the perfect moment to shift gears, ensuring optimal performance, fuel efficiency, and smoothness.
Is this part difficult to install?
For someone with basic mechanical skills, installation is typically straightforward. The TCM on the 2006 Envoy XL is located in the engine compartment on the driver’s side. The process involves disconnecting the battery, unplugging the electrical connectors, unbolting the old module, and installing the new one. Since it’s pre-programmed, no further steps are needed.
Will this TCM fix a P0700 trouble code?
A P0700 code is a general transmission fault code, meaning the TCM has detected a problem and has requested the check engine light be turned on. While a faulty TCM can cause a P0700, it’s often accompanied by more specific codes. This module will resolve the P0700 if the TCM itself is the root cause of the fault.
Do I need to send my old part back?
No. We do not require a core charge for this part. You can keep or dispose of your old module at your convenience, making the process faster and more hassle-free for you.
How do I know this is the right part for my Envoy XL?
This part is confirmed to fit the 2006 GMC Envoy XL with the 8-cylinder engine. The best way to ensure compatibility is to match the service number (like 24234503) from your original module. Providing your VIN during checkout guarantees we program it correctly for your specific vehicle.
What happens if I install a TCM that isn’t programmed?
An unprogrammed TCM will not communicate correctly with your vehicle’s other computers. This can result in the vehicle not starting, not shifting out of park, immediate error codes, and incorrect transmission operation that could potentially damage mechanical parts.