Regain Control of Your Truck’s 4×4 System
Is the dreaded “Service 4WD” light glaring at you from the dash of your Sierra Denali 3500? Are you unable to switch between 2WD, 4HI, and 4LO, leaving your heavy-duty truck’s capabilities compromised? You’re not alone. As a technician with over two decades of experience, I’ve seen this exact issue countless times. The Transfer Case Control Module (TCCM) is the electronic brain of your four-wheel-drive system, and when it fails, it can leave you stranded. This isn’t just an inconvenience; it’s a critical failure that limits your truck’s ability to handle tough terrain, slick roads, or heavy workloads.
This is the definitive, hassle-free solution. We are offering a genuine GM-spec Transfer Case Control Module, compatible with part number 24242480, that arrives at your door 100% plug-and-play. Simply provide us with your vehicle’s VIN at checkout, and our certified technicians will program the module with the latest GM software updates specific to your truck. This crucial step eliminates the need for an expensive trip to the dealership for programming, saving you hundreds of dollars and significant downtime. You get a reliable part, programmed correctly, ready for immediate installation.
From the Diagnostic Bay: The Case of the Unresponsive 4×4
A contractor brought his 2013 Sierra 3500 into my shop, frustrated because his 4×4 selector switch was completely dead. He was heading to a muddy job site and couldn’t engage 4HI. His scanner was throwing a U0102 code—Lost Communication with Transfer Case Control Module. After a quick check of the fuses and wiring harness, we confirmed the TCCM itself was the culprit. These modules are often mounted on the frame rail, where they’re exposed to moisture and road salt, leading to internal corrosion and failure. Instead of a costly dealer part and a two-day wait for programming, we used one of our pre-programmed modules. The customer was back on the road in under an hour, his 4×4 system fully restored. This is the exact, reliable fix we offer you.
Is Your Truck Exhibiting These 4WD Issues?
A failing TCCM can cause a range of frustrating symptoms. If you’re experiencing any of the following, this module is the likely solution:
- ✔ “Service 4WD” or “Service Four Wheel Drive” message on the instrument cluster.
- ✔ Inability to shift the transfer case into or out of 4-High, 4-Low, or 2-Wheel Drive.
- ✔ 4×4 selector switch lights are inoperative or flashing.
- ✔ The vehicle is stuck in a single 4WD mode.
- ✔ Diagnostic Trouble Codes (DTCs) such as C0306, C0321, C0327, C0569, or U0102 are present.
A Straightforward Guide to Installation
Replacing the TCCM is a job most DIYers can handle with basic tools. Get your 2011-2014 Sierra 3500 TCCM working correctly by following these general steps:
- Safety First: Disconnect the negative terminal from your vehicle’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, mounted to a crossmember of the frame rail, near the transfer case.
- Disconnect Wiring: Carefully unplug the electrical connectors from the old module. Press the release tabs firmly and pull straight out. Inspect the connectors for any corrosion or damage.
- Remove the Old Module: Unbolt the old TCCM from its mounting bracket. It’s typically held in place by a few small bolts or nuts.
- Install the New Module: Mount your new, pre-programmed TCCM onto the bracket and secure it with the original hardware.
- Reconnect and Test: Plug the electrical connectors firmly into the new module. Reconnect the battery terminal. Start the vehicle and test the 4×4 selector switch to confirm proper operation through all modes.
Guaranteed Fitment for Your GM Truck
This module is a direct-fit replacement for a wide range of GM trucks and SUVs. It is compatible with the following part numbers: 24261367, 12588096, 24239190, 24240487, 24241143, 24241970, 24242480, 24243084, 24243085, 24249095, and 24252878. Please verify your vehicle from the list below:
- 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: 2011-2014
- SIERRA DENALI 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 / YUKON XL 1500: 2007 (Denali), 2008-2014
- YUKON XL 2500: 2008-2013
Don’t let a faulty module sideline your truck. This pre-programmed 2011-2014 Sierra 3500 TCCM is the most reliable and efficient way to restore your four-wheel-drive system. Order yours today!
Frequently Asked Questions
Do I need to do any programming myself?
No. This module is fully programmed to your vehicle’s specific VIN before it ships. It is a true plug-and-play solution, requiring no further programming or trips to a mechanic.
How do I provide my VIN?
After you complete your purchase, you will need to send us your 17-digit Vehicle Identification Number (VIN). We cannot ship the module until we receive your VIN for programming.
Is this a new or used part?
This is a high-quality, tested component that has been professionally programmed with the latest GM software. It is guaranteed to restore your vehicle’s 4×4 functionality.
What tools are required for installation?
Basic hand tools are all that’s needed, typically a socket set to remove the mounting bolts and a flathead screwdriver to help with the connector tabs. No special diagnostic equipment is required.
Will this fix my ‘Service 4WD’ light?
In the vast majority of cases where the TCCM is the root cause (as indicated by the symptoms listed above), this part will resolve the issue and turn off the warning light after installation.