Restore the Smooth, Confident Shift of Your Cadillac DTS
If your 2006-2011 Cadillac DTS is suffering from harsh shifting, delayed gear engagement, or has a persistent check engine light, you’re not just losing performance—you’re losing the luxury ride you expect. As a technician with over 20 years of experience, I’ve seen countless GM vehicles, including the DTS, sidelined by a failing Transmission Control Module (TCM). This isn’t just a part; it’s the brain of your automatic transmission. This OEM-quality T42 TCM, part number 24235732, is the definitive solution, arriving pre-programmed to your vehicle’s VIN for a true plug-and-play repair.
A Technician’s Notebook: The Intermittent Shifting Nightmare
A customer brought in a 2008 Cadillac DTS with a complaint that stumped two other shops: intermittent, bone-jarring shifts from 1st to 2nd, but only after the car was fully warmed up. There were no consistent trouble codes, just a generic P0700 (Transmission Control System Malfunction) that would pop up occasionally. We checked the fluid, solenoids, and wiring—all perfect. From experience, I know that heat-soak can cause hairline cracks in the TCM’s circuit board to expand, creating these ghost-like issues. We installed one of our VIN-programmed modules, and the problem vanished instantly. The customer called a week later, thrilled that his Cadillac finally drove like a Cadillac again. This part solves the problems that don’t always show up on a scan tool.
Is Your Cadillac DTS Showing These Transmission Warning Signs?
- ✔ Unpredictable or harsh gear shifts that slam into gear.
- ✔ The vehicle is stuck in “limp mode,” often refusing to shift out of 2nd or 3rd gear.
- ✔ An illuminated Check Engine Light or Transmission Warning Light on your dash.
- ✔ Diagnostic Trouble Codes (DTCs) such as P0700, P0750, or other solenoid-related faults.
- ✔ A noticeable delay when shifting from Park into Drive or Reverse.
- ✔ Poor acceleration and a sudden drop in fuel economy.
Your Straightforward Path to a Smooth-Shifting Transmission
Installing your new 2006-2011 DTS TCM is a job most DIYers can handle in their own garage. Because we program the module to your VIN before shipping, you can skip the expensive trip to the dealership for programming. It’s ready to install right out of the box.
- Safety First: Always disconnect the negative terminal from your vehicle’s battery before starting any electrical work.
- Locate the Module: On your 2006-2011 Cadillac DTS, the TCM is conveniently located in the engine compartment on the right-hand (passenger) side front.
- Disconnect and Remove: Carefully unplug the electrical connectors. Be gentle with the locking tabs, as old plastic can be brittle. Once disconnected, unbolt the old module from its mounting bracket.
- Install the New TCM: Mount the new module securely onto the bracket and reconnect the electrical harnesses. You should hear a click as they lock into place.
- Final Steps: Reconnect the battery terminal. While the module is plug-and-play, it’s best practice to use a basic OBD2 scan tool to clear any stored transmission codes to ensure a clean slate for the new module.
Verified Compatibility for Your Vehicle
This T42 Transmission Control Module is a direct-fit replacement for a wide range of General Motors vehicles. While this listing is specific to the Cadillac DTS, it is also compatible with the models below. It is a direct replacement for part numbers including 24235732, 24252114, 24234503, and more.
- Cadillac DTS: 2006-2011 (RH front engine compartment)
- Buick Lucerne: 2006-2011 (LH engine compartment)
- Chevrolet Impala: 2006-2011 (lower air cleaner housing)
- Chevrolet Silverado & GMC Sierra 1500/2500: 2007-2013 (next to battery)
- Chevrolet Tahoe & GMC Yukon: 2007-2009 (next to battery)
- Pontiac G6: 2006-2010 (LH strut tower)
- …and many other GM cars, trucks, and SUVs from 2006-2014.
Frequently Asked Questions
Do I need to take this part to a dealership for programming?
Absolutely not. We handle the programming for you. Simply provide your vehicle’s VIN during checkout, and the module will arrive ready for plug-and-play installation, saving you time and hundreds of dollars in dealer fees.
Will this fix my transmission slipping or harsh shifting?
In the vast majority of cases, yes. The TCM is responsible for all shift commands. If your transmission’s mechanical components are in good health, a faulty TCM is the most common cause of erratic shifting, delayed engagement, and limp mode. This part is designed to correct those specific issues.
Is this a difficult part for a DIYer to install?
Not at all. For the Cadillac DTS, the module is easily accessible in the engine bay. With basic hand tools, the entire job can typically be completed in under 30 minutes. Our installation guide above walks you through the simple process.
What is the warranty on this 2006-2011 DTS TCM?
We stand behind our products with a comprehensive one-year warranty. This covers any defects in the module, giving you peace of mind with your purchase.
Do I need to send my old part back?
No, there is no core charge for this module. You can keep your old part, so there’s no hassle with return shipping or waiting for a core refund.