Is Your 2010 Cadillac CTS Experiencing Drivetrain Problems?
If you’re dealing with a persistent “Service All-Wheel Drive” message, erratic power distribution, or a complete failure of your AWD system, a faulty Transfer Case Control Module (TCCM) is often the culprit. This critical component acts as the brain for your vehicle’s drivetrain, and when it fails, it can cause a host of frustrating and concerning issues. Don’t let a bad module keep your Cadillac from performing at its best. This replacement module, part number 24239785, is the reliable, direct-fit solution you need to restore your vehicle’s performance and peace of mind.
The Plug-and-Play Solution: Programmed for Your VIN
One of the biggest hurdles in replacing modern vehicle electronics is the need for expensive dealership programming. We eliminate that step completely. When you purchase this module, we will flash it with the latest official GM software updates, specifically calibrated to your vehicle’s unique Vehicle Identification Number (VIN). This ensures seamless integration and proper communication with your car’s other systems right out of the box. Simply provide your VIN after purchase, and we’ll handle the complex programming before it ships. This makes the installation a true plug-and-play process for you or your mechanic.
From the Diagnostic Bay
We had a 2010 CTS come into the shop with the classic “Service AWD” light and a grinding noise on tight turns. The owner had already replaced the transfer case actuator motor based on a forum suggestion, but the problem persisted. After a quick scan, we pulled codes pointing directly to an internal TCCM communication failure. We installed a VIN-programmed module, cleared the codes, and the car drove perfectly. It’s a common scenario where diagnosing the electronics first saves hundreds of dollars in unnecessary mechanical parts and labor. The 2010 CTS Transfer Case Module is the command center, and it should always be verified before replacing more expensive hardware.
Common Symptoms of a Failing TCCM
- ✔ “Service All-Wheel Drive” or “Service 4WD” light illuminated on the dash.
- ✔ Inability to switch between 2WD and AWD modes.
- ✔ Grinding or binding noises from the drivetrain, especially during turns.
- ✔ A noticeable hesitation or shuddering during acceleration as the system struggles to engage.
- ✔ Diagnostic Trouble Codes (DTCs) related to the transfer case or TCCM communication.
- ✔ The vehicle feels like it’s stuck in one drive mode.
Guaranteed Fitment and Compatibility
This module is a direct replacement for several part numbers, including 24239785, 24235224, and YLMU. While it is the correct 2010 CTS Transfer Case Module, it also fits a range of other GM vehicles. Please verify the part number on your original module to ensure a perfect match. This part is compatible with:
- 2010 Cadillac CTS (Transfer Case, ID 2423522, YLMU, 24239785)
- 2010-2011 Cadillac STS (Transfer Case)
- 2007-2009 Cadillac SRX (Transmission)
- 2007-2010 Pontiac Solstice (Transmission)
- 2007-2010 Saturn Sky (Transmission)
Restore the sophisticated all-wheel-drive system in your vehicle with a reliable, pre-programmed 2010 CTS Transfer Case Module. Avoid the dealership hassle and get back on the road with confidence.
Frequently Asked Questions
Do I need to do any programming after I receive this module?
No. This module is fully pre-programmed to your vehicle’s specific VIN before we ship it. It is designed to be a plug-and-play installation, requiring no further programming or dealer intervention.
Where do I provide my VIN?
After you complete your purchase, you will need to send us a message with your 17-digit Vehicle Identification Number (VIN). We cannot program and ship the module without it.
Is this a new or used part?
This is a high-quality, inspected, and tested original equipment part that has been prepared with fresh, vehicle-specific programming to ensure optimal performance and longevity.
Where is the TCCM located on a 2010 Cadillac CTS?
On the 2010 Cadillac CTS, the Transfer Case Control Module is typically located behind the dashboard on the right-hand (passenger) side. Please consult a service manual for your specific vehicle for precise location and removal instructions.
Will this fix a “Service All-Wheel Drive” light?
A faulty TCCM is one of the most common causes of the “Service All-Wheel Drive” warning. While this module will resolve issues caused by a failed TCCM, it’s always best to have the vehicle properly diagnosed to confirm the module is the root cause of the problem.