Restore Smooth Shifting to Your Saturn Vue with a Programmed TCM
If you’re dealing with the headaches of a faulty transmission in your 2007-2010 Saturn Vue—like sudden harsh shifts, getting stuck in gear, or a persistent check engine light—you’ve come to the right place. As a technician with over two decades of experience under the hood, I’ve seen countless drivers frustrated by these exact issues. The problem often isn’t the transmission itself, but its brain: the Transmission Control Module (TCM). This replacement T42 TCM, part number 24230461, is the definitive solution, arriving pre-programmed to your vehicle’s VIN for a true plug-and-play fix.
A Technician’s Notebook: The Misleading P0700 Code
A customer once brought in their Chevy HHR, a vehicle that shares this exact TCM with the Saturn Vue. The dash was lit up with a P0700 code (Transmission Control System Malfunction). The owner had already replaced two shift solenoids based on a generic code reader’s suggestion, but the problem persisted. After a quick data stream analysis, I saw erratic voltage readings from the TCM itself. It wasn’t the solenoids; the module was failing internally and sending bad commands. We installed one of our VIN-programmed TCMs, cleared the codes, and the car shifted perfectly. This saved him from a potential, and unnecessary, transmission rebuild.
Diagnosing a Faulty Transmission Control Module
The TCM is the nerve center of your automatic transmission, managing everything from gear changes to torque converter lockup. When it starts to fail, the symptoms can be alarming and often mimic a major mechanical failure. Before you condemn your transmission, check if your vehicle is exhibiting these classic signs of a bad 2007-2010 Vue TCM.
Common Signs of a Failing TCM
- ✔ The vehicle unexpectedly enters “limp mode,” refusing to shift out of 2nd or 3rd gear.
- ✔ Harsh, jerky, or delayed shifting that makes driving uncomfortable and unpredictable.
- ✔ An illuminated Check Engine Light or Transmission Warning Light, often with Diagnostic Trouble Codes (DTCs) like P0700, P0750, or other solenoid-related faults.
- ✔ A complete failure to shift, either up or down, as you accelerate or decelerate.
- ✔ Noticeably worse fuel economy as the transmission operates inefficiently.
- ✔ Intermittent loss of communication with the module, causing bizarre electrical behavior.
A Straightforward Guide to Installation
One of the best features of this module is that it eliminates the need for a trip to the dealership for expensive programming. We handle that for you. For a DIYer or a professional mechanic, this makes the job faster and more cost-effective. The installation for your 2007-2010 Vue TCM is typically a simple process located right in the engine bay.
- Safety First: Always disconnect the negative terminal from your vehicle’s battery to prevent electrical shorts and to help reset the vehicle’s electronic systems.
- Locate the Module: On the Saturn Vue, the TCM is typically found in the left (driver’s side) front of the engine compartment. On other GM models, it could be near the battery, under the air cleaner box, or on a frame rail.
- Disconnect and Remove: Carefully unplug the electrical connectors. They have locking tabs, so be gentle. Then, unbolt the old module from its mounting bracket.
- Install the New TCM: Mount the new, pre-programmed module in place and securely fasten it. Reconnect the electrical harnesses, ensuring they click into place.
- Final Steps: Reconnect the battery terminal. While our programming resolves most issues, it’s good practice to use a basic OBD2 scan tool to clear any stored fault codes from the vehicle’s memory. Start the vehicle and take it for a test drive to confirm smooth operation.
Verified Vehicle Compatibility
This T42 TCM is a direct replacement for part number 24230461 and is interchangeable with many other service numbers. It is designed for a wide range of General Motors vehicles equipped with 4-speed automatic transmissions. While this page focuses on the 2007-2010 Vue TCM, please see the list below for broader compatibility. Always verify your part number or consult your mechanic if you are unsure.
Partial Fitment List:
- Saturn Vue (2007-2010)
- Chevrolet Cobalt, HHR, Impala, Malibu, Silverado
- GMC Sierra, Yukon, Savana
- Pontiac G6, Grand Prix
- Buick LaCrosse, Lucerne
- And many more GM models from 2006-2014.
Frequently Asked Questions
Is this part really plug-and-play?
Yes. We program the module to the VIN you provide during checkout. This ensures it communicates correctly with your vehicle’s other computers, requiring no additional programming from a dealer.
Do I need to send my old part back?
No, there is no core charge for this part. You can keep or dispose of your old module, making the process hassle-free.
What tools do I need for installation?
Installation typically requires only basic hand tools, such as a socket set and a wrench to disconnect the battery. No specialized electronic equipment is needed.
What if my part number is slightly different?
This T42 module replaces many part numbers, including 24252114, 24234503, and others. If your module looks identical and your vehicle is on the compatibility list, it is very likely the correct part. Feel free to contact us with your VIN to confirm.
What kind of warranty is included?
This module comes with a one-year warranty, covering any defects in the part itself. We stand behind the quality and reliability of our electronic components.