Restore Smooth Shifting to Your Buick Rendezvous
If you’re experiencing frustrating and unpredictable transmission problems with your 2006-2007 Buick Rendezvous, a failing Transmission Control Module (TCM) is often the culprit. As a technician with over two decades of experience, I’ve seen countless drivers worry they need a complete transmission rebuild when the real issue is this electronic brain. This OEM-quality T42 TCM, service number 24234503, is the definitive solution to restore your vehicle’s performance and your peace of mind. It arrives pre-programmed to your vehicle’s specific VIN, eliminating the need for expensive dealership visits and ensuring a seamless, plug-and-play installation.
A Technician’s Notebook: The Rendezvous That Wouldn’t Shift
A customer brought in their ’07 Rendezvous, complaining of harsh 1-2 shifts and occasionally getting stuck in 3rd gear (limp mode). They had already replaced two shift solenoids at another shop with no success. After a quick scan, I saw the familiar P0700 code, which is a general transmission fault request. Digging deeper, I found intermittent communication loss with the TCM. Instead of tearing down the transmission, we started with the most common point of failure. We installed a VIN-programmed 2006-2007 Rendezvous Transmission Module. The result? The shifting issues vanished instantly. This simple swap saved the customer thousands and got their family vehicle back on the road safely.
Is Your Buick Rendezvous Showing These Telltale Signs?
- ✔ Harsh, slamming shifts or delayed gear engagement.
- ✔ The vehicle is stuck in a single gear, often called “limp mode.”
- ✔ An illuminated Check Engine Light or Transmission Warning Light.
- ✔ Diagnostic Trouble Codes (DTCs) stored, such as P0700, P0750, or other solenoid-related faults.
- ✔ A sudden drop in fuel economy or the transmission overheating.
- ✔ Complete loss of communication with the transmission module.
DIY Fix: Installing Your Rendezvous TCM in Under 30 Minutes
Replacing the TCM on your Rendezvous is a straightforward job that most DIYers can handle with basic tools. For the 2006-2007 Rendezvous, you’ll find the module located directly under the air cleaner box. This direct-fit 2006-2007 Rendezvous Transmission Module makes the job even easier.
- Safety First: Disconnect the negative terminal from your vehicle’s battery to prevent any electrical shorts and to help reset the system.
- Access the Module: Remove the air cleaner assembly. This typically involves loosening a few clamps and bolts to lift the entire box out of the way, revealing the TCM mounted below.
- Disconnect and Remove: Carefully unplug the electrical connectors from the old TCM. Press the release tabs firmly. Then, unbolt the module from its mounting bracket and remove it from the vehicle.
- Install the New Module: Bolt your new, pre-programmed TCM into place. Reconnect the electrical harnesses, ensuring they click securely into position.
- Reassemble and Test: Reinstall the air cleaner box. Reconnect the battery terminal. Start the vehicle and allow it to idle for a few minutes. Take it for a test drive to confirm that shifting is smooth and all warning lights are off.
Verified Fitment For Your Vehicle
This module is a direct replacement for part number 24234503 and other interchangeable numbers. It is specifically confirmed to fit:
- 2006-2007 Buick Rendezvous (Transmission; located under the air cleaner box)
While this T42 module fits a wide range of GM vehicles, this listing guarantees compatibility and correct programming for the 2006-2007 Buick Rendezvous. No guesswork, no compatibility issues.
Frequently Asked Questions
Do I need to get this module programmed by a dealer?
No. We program the module to your vehicle’s VIN before shipping. It arrives ready for installation, requiring no additional programming or flashing.
Is there a core charge for my old part?
No, there is no core charge. You can keep your old module without the hassle of returning it, saving you time and money.
What tools do I need for installation on my Rendezvous?
You’ll typically only need basic hand tools, such as a socket set and a screwdriver or nut driver to remove the air cleaner box and the module’s mounting bolts.
Will this fix a P0700 trouble code?
A P0700 code is a general fault code indicating the TCM has detected a problem. If the TCM itself is the source of the fault (which is very common), replacing it with this part will resolve the code and the underlying issue.
What is the warranty on this part?
This transmission control module comes with a one-year warranty, giving you confidence in the quality and reliability of your repair.