If you’re staring at that frustrating ‘Service 4WD’ light on your 2007-2014 GMC Yukon’s dashboard, you’ve come to the right place. As a technician with over two decades of experience under the hood of these trucks, I can tell you that a faulty Transfer Case Control Module (TCCM) is one of the most common culprits. This isn’t just an annoying light; it’s the brain of your four-wheel-drive system failing, leaving you without the traction and control you depend on, especially in bad weather or off-road situations.
This isn’t just a replacement part; it’s a complete solution. We take the hassle and high cost of dealership repairs out of the equation. Simply provide your Vehicle Identification Number (VIN) at checkout, and we will program this module with the latest GM software updates specific to your Yukon. When it arrives, it’s ready for a true plug-and-play installation, restoring full functionality to your 4×4 system without needing a trip to the dealer or expensive scan tools for programming.
From the Diagnostic Bay
I remember a customer with a 2011 Yukon Denali who was at his wit’s end. His truck was stuck in 4-HI, making tight turns in parking lots a nightmare of tire chirping and driveline binding. He’d been quoted over $800 by the dealer for a new module and programming. We scanned it and found a U0102 code—Lost Communication with Transfer Case Control Module. Instead of a complex wiring issue, it was the TCCM itself that had failed internally. We sent him one of these pre-programmed modules. He installed it himself in under 30 minutes in his driveway, and his 4WD system worked perfectly immediately. That’s the kind of straightforward, effective repair we aim to provide.
Common Signs of a Failing Transfer Case Module
A failing TCCM can manifest in several ways. If your truck is experiencing any of the following, a faulty module is the likely cause:
- ✔ ‘Service 4WD’ or ‘Service Four Wheel Drive’ message is illuminated.
- ✔ Inability to shift the transfer case between 2WD, 4-HI, or 4-LO.
- ✔ The 4×4 selector switch lights don’t illuminate or flash without engaging.
- ✔ Diagnostic Trouble Codes (DTCs) are stored, such as C0327, C0398, or communication codes like U0102.
- ✔ The vehicle feels like it’s stuck in 4WD, causing binding during turns on dry pavement.
A Straightforward Guide to Your TCCM Installation
Replacing the TCCM on your Yukon is a job most DIYers can handle with basic tools. Our pre-programmed module makes it even simpler. The module is typically located behind the lower dash panel on the driver’s side.
- Safety First: Disconnect the negative terminal from your vehicle’s battery to prevent any electrical shorts.
- Access the Module: Remove the lower dash panel beneath the steering column. It’s usually held in by a few screws and clips.
- Locate the Old TCCM: You’ll see the module mounted to a bracket. It will have several electrical connectors plugged into it.
- Swap the Modules: Carefully unplug the electrical connectors. Unbolt the old module from its mounting bracket and remove it. Bolt the new, pre-programmed module in its place.
- Reconnect and Test: Securely plug the electrical connectors into the new TCCM. Reconnect the battery terminal. Start the vehicle and test the 4×4 selector switch to ensure all modes engage correctly. The ‘Service 4WD’ light should be off.
- Reassemble: Once you’ve confirmed everything works, reinstall the lower dash panel.
Why Choose a Pre-Programmed Module?
The biggest advantage is simplicity and savings. A new, unprogrammed 2007-2014 Yukon TCCM from a parts store or dealer is just a metal box. It requires specialized GM software (like GDS2 or a Tech 2) to link it to your truck’s VIN and specific options. This process can cost hundreds of dollars and requires a trip to a shop. Our service handles all of that for you, delivering a part that is truly ready to install right out of the box.
Verified Vehicle Compatibility for This Module
This module is a direct replacement for part number 24249095 and is compatible with a wide range of GM trucks and SUVs. It supersedes part numbers: 24261367, 12588096, 24239190, 24240487, 24241143, 24241970, 24242480, 24243084, and 24243085. Please verify fitment for your specific vehicle below:
- GMC Yukon / Yukon XL / Denali: 2007-2014
- Chevy Tahoe / Suburban: 2008-2014
- Chevy Avalanche 1500: 2008-2013
- Chevy Silverado & GMC Sierra 1500/2500/3500: 2007 (New Body Style) – 2014
This is the correct fix for your 2007-2014 Yukon TCCM issues. Order today and restore the all-weather capability of your truck with confidence.
Frequently Asked Questions
What is the process for programming?
After you place your order, you will need to provide us with your 17-digit VIN. Our technicians use this to load the latest GM-certified software for your specific vehicle onto the module before it ships. This ensures it works perfectly with your truck’s existing systems.
Where is the TCCM located on my 2010 GMC Yukon?
On most 2007-2014 GM trucks and SUVs, including the Yukon, the Transfer Case Control Module is located inside the cabin, up under the driver’s side dashboard, to the left of the steering column.
Do I need any special tools for installation?
No special tools are required. Basic hand tools like a socket set and a trim removal tool are all you should need. Because our module is pre-programmed, you do not need any diagnostic scan tools for the installation.
Will this fix my ‘Service 4WD’ light?
In the vast majority of cases where the TCCM has failed, yes. This module is the most common cause for that warning light and the associated shifting problems. However, you should always confirm the diagnosis. Other issues like a faulty encoder motor or selector switch can sometimes cause similar symptoms.
Is there a core charge for my old module?
No, there is no core charge or need to return your old, non-working part. You can recycle it locally or simply dispose of it.