Is your 2006-2011 Cadillac DTS losing its signature smooth ride due to erratic shifting or a lit-up dashboard? A faulty Transmission Control Module (TCM) is often the culprit, disrupting the communication between your engine and transmission. As a technician with over two decades of experience, I’ve seen how a failing TCM can turn a luxury driving experience into a frustrating one. This OEM-quality T42 TCM, part number 24252114, is the definitive solution, arriving pre-programmed to your vehicle’s specific VIN for a true plug-and-play repair.
This module restores the precise, computer-controlled shifting your Cadillac was designed for. It eliminates the guesswork and the expensive trip to the dealership for programming. By managing shift solenoids, torque converter clutch engagement, and fluid pressure, this replacement 2006-2011 DTS TCM will get your car operating flawlessly again, clearing common diagnostic trouble codes and preventing long-term damage to your transmission.
Case Study: A Tricky Diagnosis
A customer brought in a 2008 Cadillac DTS with a complaint of intermittent, harsh 2-3 shifts and occasionally getting stuck in ‘limp mode,’ but with no consistent check engine light. A basic scan showed a history code for P0700 (Transmission Control System Malfunction). After checking the fluid and wiring harness, everything appeared fine. The intermittent nature pointed directly to an electronic failure. We installed a VIN-programmed TCM, and the problem vanished instantly. The internal logic board of the original TCM was failing under load, a common issue I’ve diagnosed hundreds of times. This simple swap saved the customer from a potential transmission rebuild down the road.
Is Your Cadillac Exhibiting These Transmission Problems?
A failing TCM can manifest in several ways. If you’re noticing any of the following, it’s a strong indicator that your module needs replacement:
- ✔ Harsh, slamming, or delayed gear shifts.
- ✔ The vehicle is stuck in a single gear (limp mode), often 2nd or 3rd.
- ✔ Check Engine Light or Transmission Warning Light is on.
- ✔ Diagnostic Trouble Codes (DTCs) are present, such as P0700, P0750, or other solenoid-related faults.
- ✔ Inconsistent or complete loss of shifting ability.
- ✔ A noticeable decrease in fuel economy.
Your Straightforward 30-Minute Installation Guide
Installing your new 2006-2011 DTS TCM is a simple process that most DIY enthusiasts can complete in their own garage. No specialized tools are required.
- Safety First: Disconnect the negative terminal from your vehicle’s battery to prevent any electrical shorts and to help reset the system.
- Locate the Module: On the 2006-2011 Cadillac DTS, the TCM is located in the engine compartment on the right-hand (passenger) side, near the front.
- Disconnect and Remove: Carefully unplug the electrical connectors from the old TCM. Then, unbolt the module from its mounting bracket and remove it from the vehicle.
- Install the New Module: Bolt the new, pre-programmed TCM into place. Securely plug in the electrical connectors until they click.
- Final Steps: Reconnect the battery terminal. Start the vehicle and allow it to idle for a few minutes. While the module is plug-and-play, it’s good practice to use a basic OBD2 scanner to clear any stored fault codes from the vehicle’s memory.
Verified Vehicle Compatibility List
This T42 TCM is a direct fit for the 2006-2011 Cadillac DTS and is also compatible with a wide range of other General Motors vehicles. It interchanges with part numbers including 24234503, 24230461, 24242391, and 24252114.
- Cadillac DTS: 2006-2011 (RH front engine compartment)
- Buick Allure / LaCrosse / Lucerne
- Chevrolet Cobalt / HHR / Impala / Malibu / Monte Carlo
- Chevrolet Colorado / Silverado / Tahoe / Suburban / Avalanche
- GMC Canyon / Sierra / Yukon / Savana
- Pontiac G5 / G6 / Grand Prix
- Saturn Aura / Ion / Vue
- And many more GM models. Please verify fitment for your specific vehicle.
Frequently Asked Questions
What does ‘VIN Programmed’ mean for my Cadillac DTS?
It means we flash the module with your car’s unique Vehicle Identification Number (VIN) and the latest GM software before shipping. This ensures it communicates perfectly with your vehicle’s engine computer and other systems right out of the box, with no need for a trip to the dealer.
Is this a difficult part to install myself?
Not at all. For the Cadillac DTS, it’s located in an accessible spot in the engine bay. With basic hand tools, the swap typically takes less than 30 minutes, making it an ideal project for a DIY mechanic.
Will this fix a P0700 trouble code?
Yes, in many cases. A P0700 code is a general fault code indicating the TCM has detected a problem. If the TCM itself is the source of the electrical failure, replacing it with this module is the correct fix to clear the code and resolve the underlying issue.
Do I need to return my old TCM?
No, there is no core charge for this part. You can keep your old module or dispose of it without the hassle of sending it back.
What kind of warranty is included?
This module is backed by our one-year warranty, giving you confidence and peace of mind in your repair.