Regain Control of Your 4WD System
As a mechanic with over two decades of experience, I’ve seen it all. A driver loads up their 2007-2014 GMC Yukon for a trip, a storm rolls in, and when they try to engage four-wheel drive, nothing happens. Instead, they’re greeted by a frustrating ‘Service 4WD’ light on the dash. In nine out of ten cases on these GM trucks, the culprit is a failed Transfer Case Control Module (TCCM). This module is the brain of your 4×4 system, and when it fails, it leaves you stuck in two-wheel drive. This isn’t just an inconvenience; it can be a serious safety issue in poor weather conditions.
Our replacement TCCM, part number 24242480, is the definitive solution. We take the hassle and high cost of a dealership visit out of the equation. Simply provide us with your vehicle’s VIN during checkout, and we will program the module with the latest GM software updates specifically for your Yukon. It arrives at your door ready for a straightforward, plug-and-play installation, restoring your vehicle’s off-road and all-weather capabilities.
From the Diagnostic Bay: A Costly Misdiagnosis
A customer once brought in his ’11 Sierra with a ‘Service 4WD’ light. He’d already spent a fortune replacing the transfer case encoder motor on the advice of a forum, but the problem persisted. I hooked up my scan tool and saw communication codes pointing away from the motor. After a quick check of the wiring, I pinpointed the TCCM. We swapped in a pre-programmed module, and in 15 minutes, his 4WD was working perfectly. This is a classic example of why starting with the ‘brain’—the TCCM—can save you hundreds of dollars and hours of frustration. It’s often the simplest fix.
Is Your Truck Showing These Symptoms?
A failing TCCM can cause a range of issues. If you’re experiencing any of the following, this module is likely the solution you need. In my shop, these are the tell-tale signs I look for:
- ✔ ‘Service 4WD’ or ‘Service Four Wheel Drive’ message on the instrument cluster.
- ✔ Inability to shift into or out of 4-High or 4-Low.
- ✔ The 4WD selector switch lights are inoperative or flashing.
- ✔ Diagnostic Trouble Codes (DTCs) such as C0306, C0327, C0374, or U0102 stored in the system.
- ✔ Grinding or clunking noises when attempting to shift the transfer case.
- ✔ The vehicle is stuck in 4WD or defaults to 2WD and will not change.
A Straightforward Guide to Installation
One of the best parts about this solution is its simplicity. You don’t need a high-tech garage to get this done. With basic hand tools, most DIYers can complete this job in under 30 minutes.
- Safety First: Always disconnect the negative terminal from your vehicle’s battery before working on electrical components.
- Locate the Module: The TCCM on your 2007-2014 Yukon is located under the driver’s side of the dashboard, to the left of the steering column. You may need to remove a lower dash panel for access.
- Disconnect and Remove: Carefully unplug the electrical connectors from the old module. They have locking tabs that need to be depressed. Once disconnected, unbolt the module from its mounting bracket.
- Install the New Module: Bolt the new, pre-programmed TCCM into place. Firmly reconnect the electrical harnesses, ensuring they click and lock securely.
- Reconnect and Test: Reinstall any trim panels you removed. Reconnect the negative battery terminal. Start your vehicle and test the 4WD selector switch. The ‘Service 4WD’ light should be gone, and all functions restored.
Verified Vehicle Compatibility
This module is a direct-fit replacement for a wide range of General Motors trucks and SUVs. We guarantee compatibility if your vehicle is on this list. This part is an exact replacement for part numbers: 24261367, 12588096, 24239190, 24240487, 24241143, 24241970, 24242480, 24243084, 24243085, 24249095, 24252878.
- GMC Yukon: 2007 (Denali), 2008-2014
- GMC Yukon XL 1500: 2007 (Denali), 2008-2014
- GMC Yukon XL 2500: 2008-2013
- GMC Sierra 1500/2500/3500: 2007 (New Body Style) – 2014
- GMC Sierra Denali: 2007-2010
- GMC Sierra Denali 2500/3500: 2011-2014
- Chevrolet Avalanche 1500: 2008-2013
- Chevrolet Silverado 1500/2500/3500: 2007 (New Body Style) – 2014
- Chevrolet Suburban 1500: 2008-2014
- Chevrolet Suburban 2500: 2008-2013
- Chevrolet Tahoe: 2008-2014
Frequently Asked Questions
What does ‘VIN Programmed’ mean?
It means we load the module with the specific software and calibrations for your exact vehicle using your VIN. This ensures perfect communication with your truck’s other computers and eliminates the need for an expensive programming service at a dealership.
Do I need to send my old module back?
No, there is no core charge or need to return your old, faulty part. You can simply dispose of it after installing the new one.
Is this a difficult part to install myself?
Not at all. For most DIYers with basic tools, this is a very straightforward installation that typically takes less than 30 minutes. It’s located under the driver’s side dash and is a simple ‘unplug and plug-in’ process.
Will this fix the ‘Service 4WD’ light?
In the vast majority of 2007-2014 GM trucks and SUVs, a faulty TCCM is the direct cause of the ‘Service 4WD’ warning. Replacing it with our pre-programmed module is the most common and reliable fix for this specific issue.
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 the module until we have this information to program it correctly for your Yukon.