Restore Your Truck’s 4×4 Control and Eliminate Annoying Warnings
As a technician with over two decades of experience, I’ve seen countless GM trucks roll into the bay with the dreaded “Service 4WD” light glaring from the dashboard. More often than not, the culprit is a failed Transfer Case Control Module (TCCM). This small electronic box is the brain behind your 2007-2013 Sierra 1500’s four-wheel-drive system. When it fails, you lose the ability to shift into 4HI or 4LO, leaving you without the traction and capability you depend on, especially in tough weather or off-road conditions.
This isn’t just an inconvenience; it’s a reliability issue. This replacement TCCM, part number 24249095, is the definitive solution. The biggest advantage we offer is that this module arrives at your door fully programmed to your truck’s specific VIN. You get the latest GM software updates without ever stepping foot in a dealership or paying their hefty programming fees. This is the plug-and-play fix you’ve been looking for to get your Sierra back to 100%.
Case Study: A Tricky Diagnosis
I remember a 2011 Sierra 1500 that came in last winter. The owner was frustrated because his 4×4 selector switch lights were completely out, and with a snowstorm on the way, he was getting nervous. He had already replaced the switch himself, a common first guess, but nothing changed. A quick scan with my tool revealed DTC U0102: Lost Communication with Transfer Case Control Module. The switch was fine; the TCCM simply wasn’t responding. We installed one of these pre-programmed modules, and in less than 30 minutes, the lights were on, the system shifted perfectly, and the customer left with confidence. This part solves the problem at its source.
Common Signs of a Failing TCCM
- ✔ “Service 4WD” or “Service Four Wheel Drive” message on the instrument cluster.
- ✔ The 4WD selector switch lights are flashing or completely dead.
- ✔ Inability to shift the transfer case between 2WD, 4WD High, and 4WD Low.
- ✔ The truck feels like it’s stuck in one drive mode.
- ✔ Diagnostic Trouble Codes (DTCs) stored in the system, such as U0102, C0306, C0327, or C0374.
A Straightforward Guide to Installation
Replacing the 2007-2013 Sierra 1500 TCCM is a job most DIYers can handle with basic tools. Since we program it for you, there are no special computers needed.
- Safety First: Always disconnect the negative terminal from your truck’s battery before working on electrical components.
- Locate the Module: On most Sierra/Silverado models, the TCCM is located behind the lower dashboard panel, to the left of the steering column.
- Access the Module: Carefully remove the lower dash trim panel. It’s typically held in by clips and a few screws.
- Disconnect and Remove: Unplug the electrical connectors from the old TCCM. Then, remove the bolts or nuts holding the module’s bracket in place and take the old unit out.
- Install the New Module: Mount your new, pre-programmed TCCM in the same location, securely fastening it. Reconnect all electrical harnesses.
- Final Steps: Reinstall the dash panel, reconnect the battery terminal, and start your truck. Test all 4WD functions to confirm the repair is complete.
Will This Fit My Truck?
This module is a direct replacement for a wide range of GM trucks and SUVs. Please verify your vehicle is on the list below. This part is a compatible replacement for 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, Opt NQH), 2008-2013
- SIERRA 2500/3500 PICKUP: 2007 (New Body Style), 2008-2014
- SIERRA DENALI: 2007-2010
- SIERRA DENALI 2500/3500: 2011-2014
- SILVERADO 1500 PICKUP: 2007 (New Body Style, Opt NQH), 2008-2013
- SILVERADO 2500/3500 PICKUP: 2007 (New Body Style), 2008-2014
- SUBURBAN 1500/2500: 2008-2014
- TAHOE: 2008-2014
- YUKON & YUKON XL 1500/2500: 2007-2014
Why is this module better than one from a local parts store?
Our TCCM comes pre-programmed with the latest GM software using your vehicle’s VIN. This means it’s a true plug-and-play solution, saving you the time, cost, and hassle of a dealership visit for programming, which is required for most off-the-shelf modules.
What information do I need to provide?
After you complete your purchase, we will need your vehicle’s 17-digit Vehicle Identification Number (VIN) to program the module correctly before shipping.
Will this fix my truck being stuck in 4WD?
Yes, if the TCCM is the cause of the failure, this module will restore proper communication with the transfer case motor and allow it to shift between drive modes correctly.
Is the 2007-2013 Sierra 1500 TCCM hard to replace?
No, it’s one of the more accessible modules. It’s located behind the driver’s side lower dash and can typically be replaced in under an hour with basic hand tools. Our step-by-step guide makes it even easier.
Is this an OEM part?
This is a high-quality replacement part that is programmed using official GM software and is designed to meet or exceed original equipment specifications for function and reliability.