Restore Your Truck’s 4WD Capability Instantly
Is your Sierra Denali showing a “Service 4WD” message or refusing to switch between 2WD and 4WD? A failing Transfer Case Control Module (TCCM) is often the culprit, leaving your powerful truck stuck and unable to perform when you need it most. This replacement TCCM is the definitive, hassle-free solution. It arrives at your door completely pre-programmed to your truck’s specific VIN, eliminating the need for an expensive trip to the dealership. Simply install it, and regain full control over your 4×4 system.
Common Symptoms & Your Solution
If you’re experiencing any of the following issues, this module is the reliable fix you need. It directly addresses problems caused by a faulty TCCM, such as an unresponsive selector switch, diagnostic trouble codes (DTCs) like C0306, C0321, or C0327, or the 4×4 system being stuck in one mode. By installing our Programmed 2011-2014 Sierra Denali 2500 TCCM, you are not just replacing a part; you are restoring the core functionality and dependability your vehicle was built for.
- ✔ Plug & Play Installation: This module is professionally flashed with the latest GM software using your VIN. No dealer visit or programming tools are required.
- ✔ Guaranteed Compatibility: Replaces a wide range of original part numbers, including 24249095, 24261367, 12588096, 24241970, and more, ensuring a perfect match.
- ✔ Restore Full Functionality: Regain smooth and reliable shifting between 2HI, 4HI, and 4LO, and clear that persistent “Service 4WD” light from your dash.
- ✔ Built for Durability: Engineered to meet or exceed original equipment specifications for a long-lasting and dependable repair on your hard-working truck.
- ✔ Peace of Mind Included: This unit is backed by our one-year replacement warranty.
Expert Insight: Why VIN-Specific Programming Matters
In modern GM trucks, the TCCM doesn’t just operate the transfer case; it communicates constantly with other critical computers like the Engine Control Module (ECM) and Body Control Module (BCM). Installing a non-programmed or incorrectly programmed module can cause network communication errors, leading to unpredictable behavior or even new warning lights. Our VIN-specific programming ensures this Programmed 2011-2014 Sierra Denali 2500 TCCM integrates seamlessly with your truck’s unique electronic architecture, just like the original part from the factory.
Frequently Asked Questions
How does the VIN programming process work?
After you complete your purchase, you will need to provide us with your vehicle’s 17-digit VIN. Our technicians use this number to load the exact, most current GM-approved software for your specific vehicle configuration onto the module before it is shipped to you.
Will this fix my “Service 4WD” light?
In most cases, yes. The “Service 4WD” message is the most common symptom of a failing TCCM. As long as the module is the root cause of the issue, this part will resolve the problem and allow the light to be cleared.
Do I need any special tools for installation?
No special programming tools are required. Installation typically involves basic hand tools to access the module, which is located on the driver’s side of the dashboard in most compatible models. You simply disconnect the old module and plug this one in.
What happens if I forget to provide my VIN?
We cannot ship your order without your VIN. Providing your VIN is a required step to ensure we can program the module correctly for your vehicle. We will contact you to obtain the information, but this may delay your shipment.
What other vehicles does this part fit?
This TCCM is compatible with a wide range of GM trucks and SUVs, including the Silverado 1500/2500/3500, Sierra 1500/2500/3500, Tahoe, Suburban, Yukon, and Avalanche from approximately 2007-2014. Please refer to the detailed fitment list on this page to confirm compatibility.