If you’re staring at that frustrating “Service 4WD” light on the dash of your 2007-2014 Silverado 3500, you’ve come to the right place. As a technician with over two decades of experience, I’ve seen countless GM trucks sidelined by a failed Transfer Case Control Module (TCCM). This isn’t just an annoyance; it means you can’t rely on your truck’s four-wheel-drive system when you need it most—whether you’re on a muddy job site or navigating a snowy pass. This module is the brain of your 4×4 system, and when it fails, your truck is left without its crucial off-road and all-weather capabilities.
The biggest headache with replacing a TCCM has always been the mandatory, and often expensive, trip to the dealership for programming. We eliminate that step completely. This replacement TCCM, part number 24249095, arrives at your doorstep fully programmed with the latest GM software updates, specifically matched to your truck’s VIN. It’s a true plug-and-play solution that restores full function without the dealership hassle.
Case Study: A Tricky Diagnosis
A customer brought in his ’11 Sierra 2500 with the classic complaint: the 4WD switch was dead, and the “Service 4WD” light was on. His local shop had already replaced the switch and the transfer case encoder motor, but the problem persisted. When I connected my scanner, I found a U0102 code—Lost Communication With Transfer Case Control Module. After checking the wiring and connectors for integrity (a crucial first step), it was clear the TCCM itself was the culprit. It had failed internally, creating a communication breakdown on the CAN bus. We installed one of our VIN-programmed modules, and in under 15 minutes, all 4WD functions were restored, and the code was cleared. This is a perfect example of how our pre-programmed 2007-2014 Silverado 3500 TCCM saves time and prevents unnecessary parts swapping.
Is Your Truck Showing These Symptoms?
- ✔ “Service 4WD” or “Service Four Wheel Drive” message is illuminated on your instrument cluster.
- ✔ The 4WD selector switch lights are inoperative or do not respond when pressed.
- ✔ You are unable to shift between 2HI, 4HI, Auto, or 4LO modes.
- ✔ The vehicle is stuck in one 4WD mode and will not disengage.
- ✔ Diagnostic trouble codes (DTCs) such as U0102, C0327, or C0569 are present.
- ✔ Intermittent or complete failure of the four-wheel-drive system.
A Straightforward Guide to Installation
Installing your new TCCM is a simple job that most DIYers can complete in their driveway with basic hand tools. Since our module comes pre-programmed, no special electronic tools are needed.
- Safety First: Disconnect the negative terminal from your truck’s battery to prevent any electrical shorts.
- Locate the Module: On most GM trucks of this era, the TCCM is located on the driver’s side of the dashboard, usually up and to the left of the steering column. You may need to remove the 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. Then, remove the bolts or nuts holding the module bracket in place and take the old unit out.
- Install the New Module: Mount your new, pre-programmed TCCM in the same location and secure it with the original hardware.
- Reconnect: Firmly plug the electrical connectors into the new module. You should hear a click as they lock into place.
- Final Steps: Reinstall the lower dash panel, reconnect the negative battery terminal, and start the truck. Test the 4WD selector switch to confirm that all modes are working correctly. The “Service 4WD” light should now be off.
Guaranteed Fitment for Your GM Truck or SUV
This module is a direct replacement for a wide range of General Motors vehicles. It is compatible with original part numbers: 24261367, 12588096, 24239190, 24240487, 24241143, 24241970, 24242480, 24243084, 24243085, 24249095, and 24252878. Please verify your vehicle is on the list below. After purchase, simply provide us with your VIN so we can ensure perfect programming.
- Chevrolet Silverado 1500/2500/3500: 2007 (New Body Style) – 2014
- GMC Sierra 1500/2500/3500: 2007 (New Body Style) – 2014
- Chevrolet Avalanche 1500: 2008-2013
- Chevrolet Suburban 1500/2500: 2008-2014
- Chevrolet Tahoe: 2008-2014
- GMC Yukon & Yukon XL 1500/2500: 2007-2014
- GMC Sierra Denali, Denali 2500/3500: 2007-2014
Frequently Asked Questions
Frequently Asked Questions
Do I need to take this part to a dealer for programming?
No. We program the module to your vehicle’s specific VIN before shipping it. It arrives ready for a simple, plug-and-play installation.
How do I provide my VIN number?
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 receive this information.
Is this a new or used part?
This is a high-quality, tested replacement part that has been programmed with the latest official GM software for your vehicle, ensuring reliable performance.
Will this fix my ‘Service 4WD’ light?
If the TCCM is the root cause of the problem, yes. This module is the most common failure point for the symptoms listed above, including the warning light and an inoperative selector switch.
Where is the TCCM located on my 2011 Silverado 3500?
The Transfer Case Control Module is typically mounted behind the dashboard, to the left of the steering column. Access usually requires removing the lower knee bolster panel.
What if I have a different part number on my old module?
Our module is a direct replacement for a long list of compatible GM part numbers, including 24249095, 24261367, 12588096, and more. Check the fitment list to confirm compatibility.