Restore Smooth Shifting to Your Saturn Vue
If your 2007-2010 Saturn Vue is suffering from harsh shifting, getting stuck in gear, or throwing transmission-related error codes, the problem is very likely a failing Transmission Control Module (TCM). As a seasoned technician, I’ve seen firsthand how a faulty TCM can cripple an otherwise healthy vehicle. This T42 series module, part number 24240400, is the definitive solution. It’s the brain of your automatic transmission, responsible for managing shift points, torque converter lockup, and line pressure. Replacing it isn’t just a repair; it’s about restoring your vehicle’s drivability and preventing further, more costly transmission damage.
Unlike generic modules that require a trip to the dealership for expensive programming, this unit arrives at your door fully programmed to your vehicle’s specific VIN. This plug-and-play convenience means you can get your Vue back on the road quickly and confidently, whether you’re a seasoned mechanic or a weekend DIYer. We load the latest GM software updates, ensuring optimal performance and communication with your vehicle’s other electronic systems right out of the box.
Is Your Vue Showing These Telltale Signs?
A failing TCM often mimics other transmission problems, but there are key symptoms to watch for. If you’re experiencing any of these, a new module is the most likely fix:
- ✔ Harsh, erratic, or delayed gear shifts that make driving uncomfortable.
- ✔ The vehicle enters “limp mode,” often stuck in 2nd or 3rd gear.
- ✔ Check Engine Light or Transmission Warning Light is illuminated on your dash.
- ✔ Your scanner shows Diagnostic Trouble Codes (DTCs) like P0700 (Transmission Control System Malfunction), P0750-series solenoid codes, or communication errors.
- ✔ A noticeable drop in fuel economy or a transmission that seems to be overheating.
- ✔ Complete failure to shift or engage gears from Park.
Case Study: A Tricky Diagnosis
A customer brought in a 2008 Saturn Vue with an intermittent shifting problem. It would drive perfectly for days, then suddenly slam into gear at a stoplight. No codes were stored initially. After test-driving with a scan tool connected, I saw the line pressure command drop out erratically just before a harsh shift. This pointed directly to an internal failure in the logic board of the TCM. We installed a VIN-programmed 2007-2010 VUE Transmission Control Module, and the problem was solved permanently. The pre-programming saved the customer over $200 in dealership fees and had them back on the road the same afternoon.
DIY Installation: No Special Tools Required
You can perform this replacement in your own garage in under 30 minutes. The location varies slightly by model, but on the Saturn Vue, it’s typically easy to access.
- Safety First: Disconnect the negative terminal from your vehicle’s battery to prevent electrical shorts and help reset the system.
- Locate the Module: On the 2007-2010 Vue, find the TCM in the front of the engine compartment, usually on the driver’s side (LH) frame rail or near the strut tower.
- Disconnect and Remove: Carefully unclip the electrical connectors. Press the release tabs firmly. Then, unbolt the module from its mounting bracket.
- Install the New Module: Bolt the new, pre-programmed TCM into place. Reconnect the electrical connectors, ensuring they click securely into position.
- Final Steps: Reconnect the battery terminal. While our programming resolves most codes, it’s good practice to use a basic OBD2 scanner to clear any lingering DTCs from the vehicle’s memory. Start the vehicle and test drive to confirm smooth shifting.
Verified Vehicle Compatibility
This T42 TCM, part number 24240400, is a direct replacement for a wide range of General Motors vehicles. While this page focuses on the 2007-2010 VUE Transmission Control Module, it also fits the following models. Always verify your specific part number for a perfect match.
- Saturn Vue: 2007-2008 (2.4L), 2009 (2.4L, with or without hybrid), 2010
- Chevrolet: Cobalt, HHR, Impala, Malibu, Monte Carlo, Silverado, Tahoe, Express Van, Colorado, Avalanche
- GMC: Sierra, Yukon, Savana Van, Canyon, Envoy
- Pontiac: G5, G6, Grand Prix, Pursuit
- Buick: LaCrosse, Lucerne, Allure, Rendezvous, Rainier
- Cadillac: DTS
- And more: See the full fitment list for details on models like the Hummer H3 and Saab 9-7X.
Frequently Asked Questions
Do I need to take my car to the dealer after installation?
No. This module is delivered pre-programmed to your vehicle’s VIN. The process is plug-and-play, with no additional programming or dealer visits required, saving you time and money.
Is this part difficult to install myself?
Not at all. For most DIYers with basic hand tools, this is a 30-minute job. It involves disconnecting the battery, unplugging the old module, unbolting it, and installing the new one. Our step-by-step guide helps you through it.
What is the warranty on this TCM?
This transmission control module comes with a one-year, hassle-free warranty, giving you peace of mind with your purchase.
Will this fix a P0700 trouble code?
Yes. A P0700 code is a general fault request from the TCM to the main engine computer. In a vast majority of cases, replacing a faulty TCM with this pre-programmed unit will resolve the underlying issue causing the P0700 code and related specific transmission codes.
Is there a core charge for my old part?
No, there is no core charge. You can keep your old part or dispose of it without the hassle of returning it.