Restore Your 4×4 System with a Reliable, Pre-Programmed TCCM
Is the dreaded “Service 4WD” light glaring at you from the dash of your Yukon XL? Are you unable to switch between 2WD and 4WD, or hearing strange clicking noises when you try? You’ve likely pinpointed the problem: a failed Transfer Case Control Module (TCCM). As the electronic brain of your four-wheel-drive system, a faulty TCCM can leave you without traction when you need it most. Over my 20 years in the garage, I’ve seen countless GM trucks and SUVs sidelined by this exact issue, often due to internal circuit board failure from age and heat cycles.
This isn’t just a part; it’s a complete, ready-to-install solution. We take the guesswork and dealership hassle out of the equation. Simply provide your vehicle’s VIN at checkout, and our technicians will program this module with the latest GM software specific to your 2007-2014 Yukon XL TCCM. This ensures perfect communication with your truck’s other systems, restoring factory performance and reliability without an expensive trip to the dealer for programming.
A Technician’s Notebook: The Pre-Winter Panic
A customer brought in his ’11 Sierra just before the first big snowstorm was forecast. His “Service 4WD” light was on, and the selector switch was dead. He was worried he wouldn’t be able to get to his rural home if the snow got deep. A quick scan showed a U0102 code—Lost Communication with TCCM. After verifying power and ground at the module connector under the dash, we confirmed the TCCM itself was the culprit. Instead of a multi-day wait and high cost from the dealer, we used one of our pre-programmed modules. An hour later, the truck’s 4WD was shifting perfectly, and the customer left with peace of mind. That’s the value of a direct-fit, programmed solution.
Is Your Truck Showing These Symptoms?
- ✔ “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 Auto mode.
- ✔ The 4WD selector switch lights are inoperative or flashing.
- ✔ Audible clicking noises from the driver’s side dash area when attempting to shift.
- ✔ Diagnostic Trouble Codes (DTCs) stored in the system, such as C0327, C0398, or U0102.
- ✔ The vehicle is stuck in one four-wheel-drive mode.
A Straightforward Guide to Your TCCM Installation
Replacing the 2007-2014 Yukon XL TCCM is a job most DIYers can handle in under 30 minutes with basic tools. Since this module comes pre-programmed to your VIN, no further electronic work is needed.
- Safety First: Disconnect the negative terminal from your vehicle’s battery to prevent any electrical shorts.
- Locate the Module: On most GM trucks and SUVs from this era, the TCCM is located behind the lower dash panel to the left of the steering column. You may need to remove this plastic trim panel for access.
- Disconnect and Remove: Carefully unplug the electrical connectors from the old module. They have locking tabs that need to be depressed. Once disconnected, unbolt or unclip the old TCCM from its mounting bracket.
- Install the New Module: Mount your new, pre-programmed TCCM onto the bracket and securely plug in the electrical connectors. You should hear a click as they lock into place.
- Reassemble and Test: Reinstall the lower dash panel. Reconnect the negative battery terminal. Turn the ignition on and test the 4WD selector switch to ensure all modes engage correctly. The “Service 4WD” light should now be off.
Verified Vehicle Compatibility
This module is a direct replacement for a wide range of GM trucks and SUVs. It is compatible with multiple part numbers, including 24261367, 12588096, 24239190, 24240487, 24241143, 24241970, 24242480, 24243084, 24243085, 24249095, and 24252878. Please confirm your vehicle is on the list below:
- AVALANCHE 1500: 2008-2013
- SIERRA/SILVERADO 1500: 2007 (New Body Style), 2008-2013
- SIERRA/SILVERADO 2500/3500: 2007 (New Body Style), 2008-2014
- SIERRA DENALI: 2007-2010
- SIERRA DENALI 2500/3500: 2011-2014
- SUBURBAN 1500: 2008-2014
- SUBURBAN 2500: 2008-2013
- TAHOE: 2008-2014
- YUKON / YUKON XL 1500: 2007 (Denali), 2008-2014
- YUKON XL 2500: 2008-2013
Frequently Asked Questions
Do I need to get this module programmed by a dealer?
No. We program the module to your vehicle’s specific VIN before shipping it. This means it’s ready for a simple plug-and-play installation when it arrives, saving you time and money.
Where do I find my VIN and how do I provide it?
Your 17-digit Vehicle Identification Number (VIN) is located on the driver’s side of the dashboard (visible through the windshield) and on the driver’s door jamb sticker. After you complete your purchase, you will need to send us your VIN so we can program the module correctly.
Will this fix my “Service 4WD” light?
In the vast majority of cases, a faulty TCCM is the root cause of the “Service 4WD” light on these GM vehicles. If your symptoms match the ones listed above, this module is the correct and most common solution.
Is this part difficult to install for a DIYer?
Not at all. It’s one of the more accessible electronic modules. With basic hand tools, most people can swap it out in under 30 minutes by following our installation guide. The location is typically under the driver’s side dashboard.
My original part number is slightly different but on your compatible list. Will this work?
Yes. GM often updates part numbers over the years for the same component. The part numbers listed (like 24261367, 24249095, etc.) are all superseded by or are interchangeable with this module. As long as your vehicle is on the fitment list, it will work perfectly.