Restore Smooth, Reliable Shifting to Your GM Vehicle
Is your 2005 GMC Envoy XL, Trailblazer, or other compatible GM vehicle suffering from frustrating and unpredictable transmission problems? If you’re experiencing harsh shifting, gear slippage, hesitation, or a persistent Check Engine Light with transmission-related codes, you’ve found the definitive solution. This isn’t just a replacement part; it’s a fully restored and updated Transmission Control Module (TCM) that arrives at your door pre-programmed to your vehicle’s specific VIN. Get back on the road with the confidence of a transmission that performs as it should.
Common Symptoms & Your Direct-Fit Solution
A failing TCM can manifest in numerous ways, making your vehicle feel unreliable and unsafe. This module is the solution for issues including:
- Erratic or harsh 1-2 and 2-3 shifts
- Transmission getting stuck in one gear (limp mode)
- Delayed engagement when shifting into Drive or Reverse
- Vehicle not shifting into the highest gear
- Check Engine Light illuminated with DTCs like P0700, P0740, P0753, P0758, or P1860
Our expertly prepared Programmed 2005 Envoy XL Transmission Control Module directly addresses these problems by restoring the critical communication link between your engine and transmission with the latest GM software.
Features & Tangible Benefits
- โ VIN-Programmed for Your Vehicle: We flash this module with the newest GM updates using your specific VIN. This means it arrives ready to install, with no need for an expensive trip to the dealership for programming.
- โ Plug-and-Play Installation: Simply provide your VIN during checkout, and we handle the complex part. You receive a unit that’s ready to be installed right out of the box, saving you time and money.
- โ Restored Performance & Efficiency: With updated software and precise calibration, your transmission will shift smoothly and efficiently, potentially improving fuel economy and overall drivability.
- โ Cost-Effective Repair: Avoid the high costs of dealership diagnostics and parts. This is a smart, reliable solution that gets your vehicle running right without breaking the bank.
- โ One-Year Replacement Warranty: This unit is backed by our one-year replacement warranty for your complete peace of mind.
Expert Insight: The Critical Role of VIN-Specific Programming
“Many people don’t realize that a modern Transmission Control Module is like a mini-computer tailored specifically for your vehicle’s unique configurationโengine size, axle ratio, and even tire size. Installing a generic, unprogrammed module is a recipe for disaster; it can lead to even worse shifting, incorrect speedometer readings, and new error codes. Our process of flashing the unit with your exact VIN and the latest factory software ensures it communicates perfectly with your vehicle’s other systems from the moment you plug it in. Itโs the difference between a frustrating guess and a guaranteed fix.”
Guaranteed Vehicle Compatibility
This Programmed 2005 Envoy XL Transmission Control Module is a direct replacement for multiple original part numbers, including: 24223112, 24226863, 24233595, 24234189, 24239427, YBWW, YDFC, YDFD, YDLT, YJHY, YKTB, and YKTF. It is confirmed to fit the following vehicles:
- ALLURE 05 Transmission; (lower air cleaner housing)
- COBALT 05 Transmission; (LH strut tower)
- CORVETTE 05 Transmission; (LH frame rail)
- ENVOY 05 Transmission; (LH engine compartment), (8 cylinder)
- ENVOY XL 05 Transmission; (LH engine compartment), (8 cylinder)
- ENVOY XUV 05 Transmission; (LH engine compartment), (8 cylinder)
- GRAND PRIX 05 Transmission; (lower air cleaner housing)
- GTO 05 Transmission
- ION 05 Transmission; (behind LH strut tower)
- LACROSSE 05 Transmission; (3.6L), (lower air cleaner housing)
- PURSUIT 05 Transmission; (LH strut tower)
- RAINIER 05 Transmission
- RENDEZVOUS 04-05 Transmission; (3.6L), (air cleaner box)
- TRAILBLAZER EXT 05 Transmission; (LH engine compartment), (8 cylinder)
Frequently Asked Questions
How do I provide my VIN for programming?
After you complete your purchase, you will need to send us your 17-digit Vehicle Identification Number (VIN). We cannot ship your part until we receive this information, as it is essential for programming the module correctly for your specific vehicle.
Is any additional programming needed after installation?
No. The major benefit of our service is that the module arrives 100% programmed and ready for installation. In most cases, a security relearn procedure may be required, which can typically be done without special tools. However, the core transmission programming is complete.
Is this part difficult to install?
The difficulty of installation depends on the specific vehicle model and your mechanical experience. The TCM is located in different places (e.g., engine compartment, behind strut tower). We recommend consulting a repair manual for your vehicle. For a confident DIYer with the right tools, it is a manageable job.
Will this definitely fix my shifting problem?
This Programmed 2005 Envoy XL Transmission Control Module is a direct solution for failures within the TCM itself. While it resolves the most common causes of electronic transmission issues, we always recommend a proper diagnosis to rule out mechanical problems (like worn clutches or bad solenoids) before replacing any electronic component.
What does ‘flashed with the newest updates’ mean?
Automakers like GM often release software updates for their vehicle computers to fix bugs, improve shift quality, and enhance durability. We ensure your replacement TCM is loaded with the most recent and stable software version available from GM for your vehicle’s VIN, giving you better-than-original performance.
How does the one-year replacement warranty work?
This unit is backed by our one-year replacement warranty. If the module fails due to a defect within one year of the purchase date, we will provide a replacement unit. Please contact us to initiate the warranty process.