If your 2006-2007 Chevrolet Monte Carlo is suffering from harsh shifting, getting stuck in gear, or throwing transmission codes, you’ve come to the right place. As a technician with over two decades of experience, I’ve seen firsthand how a failing Transmission Control Module (TCM) can turn a great car into a source of frustration. The T42 TCM is the electronic brain of your automatic transmission, and when it fails, the symptoms can be unpredictable and concerning. This replacement T42 TCM, part number 24235732, is the definitive solution to restore your vehicle’s performance and reliability.
The biggest hurdle with replacing electronic modules is often the need for expensive dealership programming. We eliminate that step completely. By providing your vehicle’s VIN at checkout, we program the module with the latest GM software specifically for your Monte Carlo. This means it arrives at your door ready for a true plug-and-play installation, saving you time, money, and a trip to the dealer. This is the same process we’ve used in our shop for years to guarantee a successful repair on the first try.
Case Study: A Tricky Diagnosis
I remember a 2007 Monte Carlo SS that came into the shop with a very intermittent problem. The owner complained of a sudden, hard 1-2 shift, but only after driving for 20-30 minutes. Of course, it wouldn’t act up during our initial test drive. We checked for codes and found a stored P0752 (Shift Solenoid A Stuck On). After testing the solenoid and wiring, which checked out fine, we suspected the TCM. Heat soak was causing an internal fault in the module’s driver circuit. We installed a VIN-programmed T42 TCM, and the problem was solved permanently. These intermittent issues are classic signs of a failing 2006-2007 Monte Carlo TCM.
Is Your Monte Carlo Showing These Telltale Signs?
- ✔ Harsh, banging, or erratic gear shifts.
- ✔ The vehicle feels like it’s stuck in one gear (often called “limp mode”).
- ✔ Check Engine Light is on with transmission-related Diagnostic Trouble Codes (DTCs) like P0700, P0750, P0752, or other solenoid codes.
- ✔ Delayed engagement when shifting from Park to Drive or Reverse.
- ✔ Poor acceleration and a noticeable drop in fuel economy.
- ✔ Complete loss of communication with the transmission module.
A Straightforward Guide to Your TCM Installation
For the DIYer, replacing the 2006-2007 Monte Carlo TCM is a manageable job that typically takes less than 30 minutes. You’ll find the module located under the lower air cleaner housing in the engine bay.
- Safety First: Always disconnect the negative terminal from your vehicle’s battery to prevent any electrical shorts and to help reset the system.
- Locate the TCM: Remove the air cleaner assembly to gain access to the transmission control module mounted below it.
- Disconnect and Remove: Carefully unplug the electrical connectors from the old TCM. Then, unbolt the module from its mounting bracket.
- Install the New Module: Bolt the new, pre-programmed TCM into place and securely reconnect the electrical connectors. You should hear a click as they lock in.
- Final Steps: Reinstall the air cleaner assembly and reconnect the battery terminal. While our programming handles the critical setup, it’s good practice to use a basic scan tool to clear any old fault codes from the vehicle’s memory.
Verified Vehicle Compatibility List
This T42 TCM is a direct fit for your 2006-2007 Chevrolet Monte Carlo. It is also compatible with a wide range of other General Motors vehicles. This module is interchangeable with part numbers including 24252114, 24234503, 24235732, and more, ensuring broad compatibility. Below is a partial list of confirmed applications:
- CHEVROLET MONTE CARLO (2006-2007): Transmission; (lower air cleaner housing)
- CHEVROLET IMPALA (2006-2011): Transmission; (lower air cleaner housing)
- BUICK LACROSSE / ALLURE (2006-2009): Transmission; (lower air cleaner housing)
- PONTIAC GRAND PRIX (2006-2008): Transmission; (lower air cleaner housing)
- CHEVROLET SILVERADO / GMC SIERRA (2007-2013): Transmission; (next to battery)
- CHEVROLET TAHOE / GMC YUKON (2007-2009): Transmission; (next to battery)
- And many more GM models…
Do I need to have this module programmed by a dealer?
Do I need to have this module programmed by a dealer?
No. We handle all the programming for you before shipment. Just provide your vehicle’s VIN during checkout, and the module will arrive ready to install, saving you hundreds in dealership fees.
Is this a difficult part to install myself?
Not at all. For a 2006-2007 Monte Carlo, the installation is straightforward. It requires basic hand tools to access the module under the air cleaner box and should take less than an hour for most DIY mechanics.
Will this fix a P0700 trouble code?
A P0700 code is a general transmission fault request from the TCM to the Engine Control Module (ECM) to turn on the check engine light. While a faulty TCM is a very common cause, this code indicates a problem exists within the transmission’s control system. Replacing a faulty 2006-2007 Monte Carlo TCM will resolve the underlying issue that triggers the P0700 code.
Is there a core charge for this part?
No, there is no core charge. You are not required to send your old, faulty module back to us, making the process simpler and more convenient for you.