Restore Your Truck’s 4×4 Capability with a Plug-and-Play Solution
As a mechanic with over two decades of experience under the hood of GM trucks, I’ve seen the frustration firsthand. The dreaded “Service 4WD” light illuminates your dash, and suddenly your dependable workhorse can’t switch into four-wheel drive when you need it most. Whether you’re stuck in 2WD on a muddy job site or can’t get out of 4-Low, a faulty Transfer Case Control Module (TCCM) is often the culprit. This isn’t just an inconvenience; it’s a loss of the core capability you paid for.
This isn’t just any replacement part. This is a complete, ready-to-install solution. We take a genuine OEM module and flash it with the latest GM-certified software, specifically programmed to your truck’s Vehicle Identification Number (VIN). This crucial step means you can skip the expensive trip to the dealership for programming. You get a module that communicates flawlessly with your truck’s systems right out of the box, restoring function and clearing those persistent trouble codes.
A Technician’s Notebook: The Case of the Stuck Sierra
A contractor brought his ’11 Sierra 2500 into my bay, completely exasperated. His truck was stuck in 4-Low, making it almost undriveable on pavement. He could hear the transfer case motor trying to work when he pressed the dash buttons, but nothing would happen. A quick scan showed a U0102 code—Lost Communication with TCCM. After confirming the module had power and ground, we knew the internal logic had failed. Swapping in a pre-programmed module like this one took less than 30 minutes. The moment we reconnected the battery and started it up, the 4WD selector light went solid, and it shifted back into 2WD perfectly. He was back on the road to his next job, saving hundreds compared to a dealer visit.
Is Your Truck Showing These Symptoms?
A failing TCCM can manifest in several ways. If you’re experiencing any of the following, this module is the likely solution for your 2007-2014 Silverado 3500 TCCM or related GM truck.
- ✔ “Service 4WD” or “Service Four Wheel Drive” message on the driver information center (DIC).
- ✔ Inability to shift between 2WD, 4-High, 4-Low, or Auto 4WD.
- ✔ 4WD selector switch lights are off, flashing, or indicate the wrong mode.
- ✔ The truck is stuck in a single 4WD mode.
- ✔ Diagnostic Trouble Codes (DTCs) stored in the system, such as C0327, C0398, C0569, or U0102.
- ✔ A noticeable delay or grinding noise when attempting to shift the transfer case.
A Straightforward Guide to Installation
One of the biggest benefits of this VIN-programmed module is the ease of installation. You don’t need advanced diagnostic tools, just basic hand tools. This is a job most DIYers can handle in their own driveway in under an hour.
- Safety First: Always disconnect the negative terminal from your truck’s battery to prevent any electrical shorts.
- Locate the TCCM: On most of these GM trucks, the TCCM is located behind the lower dash panel on the driver’s side, to the left of the steering column. You may need to remove the knee bolster 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, 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 securely into place.
- Final Steps: Re-install any dash panels you removed. Reconnect the negative battery terminal. Start the vehicle and test the 4WD selector switch to confirm proper operation.
Verified Vehicle Compatibility
This module is a direct replacement for a wide range of GM trucks and SUVs, ensuring a perfect fit and function. It is compatible with part numbers 24261367, 12588096, 24239190, 24240487, 24241143, 24241970, 24242480, 24243084, 24243085, 24249095, and 24252878. Please verify your vehicle is on the list below.
- Chevrolet Avalanche 1500: 2008-2013
- Chevrolet Silverado 1500/2500/3500: 2007 (New Body Style), 2008-2014
- Chevrolet Suburban 1500/2500: 2008-2014
- Chevrolet Tahoe: 2008-2014
- GMC Sierra 1500/2500/3500: 2007 (New Body Style), 2008-2014
- GMC Sierra Denali / Denali 2500 / Denali 3500: 2007-2014
- GMC Yukon / Yukon XL 1500 / Yukon XL 2500: 2007-2014
Frequently Asked Questions
How do I provide my VIN for programming?
After you complete your purchase, simply send us a message with your 17-digit VIN. We cannot ship the module until we receive your VIN, as the programming is essential for it to work with your truck.
Is any additional programming required after I install it?
No. This TCCM arrives fully programmed to your vehicle’s specifications. The installation is plug-and-play, with no need for a trip to the dealer or a special scan tool.
Will this fix my ‘Service 4WD’ light?
In the vast majority of cases where the TCCM is the faulty component, yes. This module is designed to resolve communication errors and functional failures that trigger that specific warning message.
Is this a new or used part?
This is a high-quality, inspected OEM component that has been professionally programmed with the latest software available from GM for your vehicle. It provides the reliability of an original part with the benefit of updated, problem-solving software.
What if my original part number is not 24261367?
This module is a direct replacement for all the part numbers listed in the description, including 12588096, 24239190, and more. As long as your vehicle is on the compatibility list, this module will work correctly.