Restore Smooth Shifting to Your GMC Envoy XL
Are you experiencing frustrating and unpredictable transmission issues with your 2006 GMC Envoy XL? Harsh shifts, getting stuck in gear, or a persistent check engine light can make driving a stressful experience. Put an end to the guesswork and restore your vehicle’s performance with our expertly programmed T42 Transmission Control Module (TCM). This unit is the definitive solution for drivers seeking a reliable, plug-and-play fix without the high cost and hassle of a dealership visit.
Common Symptoms & Your Solution
A failing TCM can manifest in numerous ways, disrupting your vehicle’s drivability and safety. If you’re noticing any of the following, it’s a strong indicator that your module needs replacement. This pre-programmed 2006 GMC Envoy XL T42 Transmission Control Module is engineered to resolve these exact problems:
- Abrupt, jerky, or delayed gear shifting
- The vehicle enters “limp mode,” often stuck in 2nd or 3rd gear
- Illuminated Check Engine Light or Transmission Warning Light
- Diagnostic Trouble Codes (DTCs) such as P0700, P0750, P0753, P0758, or other solenoid-related faults
- Failure to upshift or downshift correctly
- Poor fuel economy and potential transmission overheating
Key Features & Tangible Benefits
- âś” Ready to Install: This module arrives pre-programmed to your vehicle’s unique VIN. This critical step ensures perfect communication between the TCM and your Envoy’s other systems, eliminating the need for expensive dealership programming. Just plug it in and go.
- âś” Restored Drivability: By precisely managing shift points, torque converter clutch engagement, and line pressure, this TCM brings back the smooth, responsive performance you expect from your vehicle.
- âś” Long-Term Reliability: Built to meet or exceed original equipment specifications, this module is designed for durability, ensuring a lasting repair that gives you confidence on the road.
- âś” Cost-Effective Repair: Save hundreds of dollars by avoiding dealership programming fees and diagnostic charges. This is a straightforward fix that a competent DIYer or any trusted mechanic can perform quickly.
- âś” Direct Compatibility: This 2006 GMC Envoy XL T42 Transmission Control Module is a direct replacement for a wide range of service numbers, including 24241806, 24252114, 24234503, and more, guaranteeing a perfect fit.
- âś” This unit is backed by our one-year replacement warranty.
Expert Insight from a 20-Year Tech: In modern vehicles, the TCM is the brain of the transmission. It’s not just a simple switch; it’s constantly receiving data from the engine, wheels, and driver inputs to make split-second decisions. That’s why VIN-specific programming is non-negotiable. A generic or non-programmed module can cause more problems than it solves, leading to poor performance and even long-term transmission damage. This pre-programmed unit ensures all factory shift strategies and software updates are loaded for your specific 2006 GMC Envoy XL, making it the smartest, safest way to complete the repair.
Frequently Asked Questions
Do I need to have this module programmed by a dealer?
No. This module comes fully pre-programmed to your vehicle’s VIN. Simply provide your VIN at checkout, and the module will arrive ready for a plug-and-play installation, with no additional programming required.
Where is the TCM located on my 2006 GMC Envoy XL?
On the 2006 GMC Envoy XL with the 8-cylinder engine, the Transmission Control Module is typically found in the engine compartment on the left-hand (driver’s) side. Always disconnect the battery before beginning the replacement.
Is there a core charge for this part?
No, we do not require you to send back your old part. There is no core charge, which simplifies the process and saves you the hassle and expense of return shipping.
Will this fix a P0700 trouble code?
A P0700 code is a general transmission fault request from the TCM to the main Engine Control Module (ECM) to turn on the check engine light. While this 2006 GMC Envoy XL T42 Transmission Control Module often resolves the underlying issue causing the P0700, it’s crucial to diagnose any other specific codes that are present to confirm the TCM is the root cause.
What should I do after installing the new TCM?
After installing the new module and reconnecting the battery, it’s a good practice to use a standard OBD2 scan tool to clear any stored fault codes from the vehicle’s memory. This ensures the system starts fresh with the new, fully functional module.