Restore Full Control Over Your GM Truck’s 4×4 System
Is the dreaded “Service 4WD” light glaring at you from the dashboard of your 2007-2014 Yukon? Are you finding it impossible to switch between 2WD and 4WD, leaving you unprepared for changing road conditions? You’re not just dealing with an annoyance; you’re facing a loss of your vehicle’s core capability. The Transfer Case Control Module (TCCM) is the electronic brain responsible for managing your four-wheel-drive system, and when it fails, it can leave you stranded in the wrong drive mode. This replacement module is the definitive solution, arriving fully programmed to your vehicle’s VIN for a hassle-free installation.
From the Diagnostic Bay
I remember a customer bringing in his ’11 Yukon XL just before a big snowstorm was predicted. His 4WD wouldn’t engage at all. The selector switch lights would blink and then go back to 2WD, and the “Service 4WD” message was on. A quick scan showed a U0102 code—Lost Communication with Transfer Case Control Module. After verifying power and ground at the module connector under the driver’s side dash, it was clear the TCCM itself was the culprit. Instead of a costly tow to the dealer and days of waiting, we installed one of these pre-programmed modules. In under 30 minutes, the codes were gone, the 4×4 system was cycling perfectly, and the customer left with the peace of mind he needed for the coming weather. This part saves time and restores function reliably.
Is Your 4WD System Acting Up?
A failing TCCM can manifest in several ways. If you’re experiencing any of the following, this module is the likely solution you need:
- ✔ “Service 4WD” or “Service Four Wheel Drive” message on the instrument cluster
- ✔ Inability to shift into or out of 4-High, 4-Low, or Auto 4WD
- ✔ Drive mode selector switch lights flash but don’t engage the selected mode
- ✔ Vehicle is stuck in one drive mode (e.g., 4-Low)
- ✔ Diagnostic Trouble Codes (DTCs) such as U0102, C0327, or other communication-related faults pointing to the TCCM
A Straightforward Guide to Installation
Getting your four-wheel drive back online is easier than you think. This is a true plug-and-play repair for any DIYer or professional mechanic, as the programming is done before we ship. The 2007-2014 Yukon TCCM is designed for a simple swap.
- Safety First: Always disconnect the negative terminal from your vehicle’s battery before working on any electronic components.
- Locate the Module: On most compatible models, the TCCM is located on the driver’s side, up under the dashboard to the left of the steering column. It’s a small black box with a few electrical connectors.
- Disconnect and Remove: Carefully unplug the wiring harnesses from the old module. They have release tabs that need to be pressed. Once disconnected, unbolt or unclip the old TCCM from its mounting bracket.
- Install the New Module: Mount the new, pre-programmed TCCM in the same location. Securely plug in the wiring harnesses, ensuring they click into place.
- Final Steps: Reconnect the negative battery terminal. Start the vehicle and test the 4WD selector switch to confirm that all modes engage correctly. The “Service 4WD” light should now be off.
Verified Vehicle Compatibility
This module is a direct-fit replacement for a wide range of GM trucks and SUVs. We program it specifically for your vehicle using the VIN you provide at checkout. It is compatible with the following part numbers: 24261367, 12588096, 24239190, 24240487, 24241143, 24241970, 24242480, 24243084, 24243085, 24249095, and 24252878.
- AVALANCHE 1500: 2008-2013
- SIERRA 1500 PICKUP: 2007 (New Body Style, NQH), 2008-2013
- SIERRA 2500 PICKUP: 2007 (New Body Style, NQF), 2008-2014
- SIERRA 3500 PICKUP: 2007 (New Body Style), 2008-2014
- SIERRA DENALI: 2007-2010
- SIERRA DENALI 2500/3500: 2011-2014
- SILVERADO 1500 PICKUP: 2007 (New Body Style, NQH), 2008-2013
- SILVERADO 2500 PICKUP: 2007 (New Body Style, NQF), 2008-2014
- SILVERADO 3500 PICKUP: 2007 (New Body Style), 2008-2014
- SUBURBAN 1500: 2008-2014
- SUBURBAN 2500: 2008-2013
- TAHOE: 2008-2014
- YUKON: 2007 (Denali), 2008-2014
- YUKON XL 1500: 2007 (Denali), 2008-2014
- YUKON XL 2500: 2008-2013
Frequently Asked Questions About the 2007-2014 Yukon TCCM
Frequently Asked Questions
Do I need to take this part to a dealer for programming?
No. We handle all the programming for you before shipment. Simply provide your vehicle’s VIN when you order, and the module will arrive ready for installation. This saves you time and the high cost of dealership programming.
How do I provide my VIN?
After you complete your purchase, you will receive instructions on how to send us your vehicle’s 17-digit VIN. We cannot ship your part until we receive this information to ensure correct programming.
Will this fix my ‘Service 4WD’ light?
In the vast majority of cases, a faulty TCCM is the cause of the ‘Service 4WD’ light and related shifting issues. If your vehicle’s symptoms match those listed and diagnostics point to the module, this part is the correct fix.
Is this a genuine GM part?
This is a high-quality replacement part that is programmed with the latest official GM software updates for your specific vehicle, ensuring proper function and communication with other vehicle systems.
What tools are needed for installation?
Typically, you’ll only need basic hand tools, such as a socket set or nut driver to remove the mounting bolts and potentially a trim removal tool to access the module behind the dash panel. No special diagnostic computers are needed.