Is your 2006 GMC Envoy XL suffering from frustrating and unpredictable shifting? A faulty transmission control module can turn your reliable SUV into a source of constant stress. Get back on the road with confidence with this OEM-quality T42 Transmission Control Module, pre-programmed specifically for your vehicle’s VIN. This isn’t just a part; it’s a complete, plug-and-play solution designed to restore the smooth, dependable performance you expect from your Envoy.
Common Symptoms & Your Solution
If you’re experiencing any of the following issues, a failing TCM is the most likely culprit. This module is the definitive solution for:
- Harsh, erratic, or delayed gear shifts
- The vehicle being stuck in “limp mode” (usually 2nd or 3rd gear)
- Check Engine Light or Transmission Warning Lights on the dash
- Diagnostic Trouble Codes (DTCs) such as P0700, P0750, or other solenoid-related faults
- Failure to upshift or downshift properly, leading to poor acceleration and fuel economy
- Complete loss of communication with the transmission
Installing our pre-programmed 2006 GMC Envoy XL transmission control module directly addresses these problems at their source, restoring communication and precise control over your automatic transmission.
Features & Tangible Benefits
- ✔ Plug-and-Play VIN Programming: Arrives ready for installation, pre-loaded with your vehicle’s specific software. This eliminates the need for an expensive and time-consuming trip to the dealership for programming.
- ✔ Restored Drivability: By precisely controlling shift solenoids and torque converter lockup, this module ensures your transmission operates smoothly and efficiently, just like it did from the factory.
- ✔ Lasting Reliability: Built to meet or exceed strict OEM standards, this module is engineered to withstand the demanding conditions of daily driving, ensuring a long-lasting repair.
- ✔ Cost-Effective Repair: Save hundreds of dollars compared to dealership prices for both the part and the mandatory programming they require.
- ✔ No Core Charge: Keep your old part without any extra fees or the hassle of returning a core.
- ✔ Assured Quality: 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 part of a complex network of computers that must communicate perfectly. A generic, non-programmed module simply won’t work—it’s like installing a computer without an operating system. Our process ensures the module has the exact GM software and calibrations for your specific vehicle, accounting for its engine, tire size, and axle ratio. This guarantees seamless integration and optimal performance right out of the box, preventing the common issues that plague generic or improperly flashed units.
Frequently Asked Questions
What does ‘VIN Programmed’ actually mean?
It means we load the module with the latest software from General Motors that is specific to your vehicle’s 17-digit Vehicle Identification Number (VIN). This ensures the TCM works perfectly with your Envoy’s engine, electronics, and transmission hardware without any additional setup.
Is this a difficult part to install myself?
For most DIYers with basic tools, this is a straightforward job. 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, and unbolting the old module. Installation is the reverse. It typically takes less than 30 minutes.
Will this fix my transmission error codes like P0700?
Yes. A P0700 code is a general fault code indicating the TCM has detected a problem. By replacing the faulty module, you are fixing the root cause of this and other related codes. After installation, it’s recommended to clear any stored codes with a basic scan tool.
Do I need to return my old part?
No, there is no core charge or requirement to send your old module back to us. You can dispose of it as you see fit.
How can I be certain this is the correct 2006 GMC Envoy XL transmission control module for my vehicle?
This T42 TCM is the correct module for the 2006 GMC Envoy XL with the 8-cylinder engine. By providing your VIN during checkout, we guarantee it will be programmed for a perfect match, ensuring compatibility and proper function.