Restore Your Trailblazer’s Shifting Performance
Is your 2006-2009 Chevrolet Trailblazer shifting erratically, getting stuck in gear, or displaying a persistent check engine light? A failing Transmission Control Module (TCM) is often the culprit, disrupting your vehicle’s performance and causing significant stress. Get back on the road with confidence with this fully programmed, OEM-quality T42 TCM. It’s engineered to be the definitive solution, restoring your SUV’s original smooth operation and reliability without a costly trip to the dealership.
Common Symptoms & Your Solution
If you’re experiencing any of the following issues, this module is the solution you need. A faulty TCM can manifest in several ways, including:
- Harsh, erratic, or delayed gear shifts
- Vehicle stuck in “limp mode” (often 2nd or 3rd gear)
- Active Check Engine or Transmission warning lights
- Diagnostic Trouble Codes (DTCs) such as P0700, P0750, or other solenoid-related faults
- Failure to upshift or downshift, leading to poor acceleration and fuel economy
- Complete loss of communication with the transmission
This pre-programmed unit directly addresses these problems, providing a reliable and lasting fix. The 2006-2009 Trailblazer transmission control module 24241806 is your key to resolving these frustrating and potentially damaging conditions.
Features & Benefits
- ✔ Plug & Play Installation: This module arrives pre-programmed to your Trailblazer’s specific VIN. This crucial step eliminates the need for expensive dealership programming, saving you hundreds of dollars and significant time.
- ✔ Restore Smooth Shifting: By precisely managing shift points, torque converter lockup, and line pressure, this TCM corrects harsh shifting, delayed engagement, and gear slipping, restoring the smooth ride you expect.
- ✔ Built for Durability: Engineered to meet or exceed original GM specifications for long-lasting performance and dependability in all driving conditions.
- ✔ Guaranteed Compatibility: A direct replacement for a wide range of service numbers including 24252114, 24234503, and 24240400, ensuring a perfect fit and function for your vehicle.
- ✔ Purchase with Confidence: This unit is backed by our one-year replacement warranty.
Expert Insight: Why VIN Programming is Non-Negotiable
From over 20 years of hands-on diagnostics, I can tell you that installing a non-programmed TCM is a recipe for failure. Your vehicle’s computer network (CAN bus) requires every module to have the correct software and VIN information to communicate properly. Without it, the transmission won’t know your vehicle’s specific tire size, gear ratios, or engine parameters. This leads to incorrect shifting, persistent error codes, and even potential transmission damage. Our VIN programming service ensures this 2006-2009 Trailblazer transmission control module 24241806 integrates seamlessly with your SUV, just like the original part from the factory.
Frequently Asked Questions
What does a transmission control module do?
The TCM is the “brain” of your automatic transmission. It uses data from various sensors on the engine and transmission to control shift solenoids, regulate hydraulic pressure, and engage the torque converter clutch, ensuring smooth and efficient gear changes.
Is this part difficult to install?
For most DIYers with basic tools, the installation is straightforward. On the 2006-2009 Trailblazer, the TCM is typically 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 our module is pre-programmed, no special computer equipment is required.
Will this module need to be programmed by a dealer?
No. We handle the programming for you. Simply provide your vehicle’s VIN at checkout, and the module will arrive ready for plug-and-play installation. This saves you the time, cost, and hassle of a dealership visit.
What happens if I don’t replace a failing TCM?
Ignoring a failing TCM can lead to more severe problems. Continued harsh shifting can cause excessive wear on internal transmission components like clutches and bands, potentially leading to a complete transmission failure that is far more expensive to repair.
How do I know this is the correct part for my Trailblazer?
This 2006-2009 Trailblazer transmission control module 24241806 is the correct fit for the specified model years. You can also verify by matching the service number on your old module to one of the compatible numbers listed, such as 24241806, 24252114, or 24234503.
Is there a core charge for my old part?
No, there is no core charge required for this part. You can keep your old module without the hassle of returning it, making the process simpler and more convenient for you.