Restore Your Truck’s 4WD System with a Reliable, Programmed Module
Is that frustrating “Service 4WD” light glaring at you from the dash of your 2007-2013 Sierra 1500? Are you unable to switch between 2WD and 4WD, leaving you unprepared for bad weather or tough terrain? You’ve likely pinpointed the problem: a failed Transfer Case Control Module (TCCM). As the electronic brain of your four-wheel-drive system, when the TCCM goes down, your truck’s capability is seriously compromised. In my 20+ years of diagnostics, I’ve seen countless GM trucks sidelined by this exact issue, often due to internal electronic failure or software corruption.
This isn’t just a replacement part; it’s a complete solution. We take the biggest headache out of the repair by pre-programming this TCCM specifically to your truck’s Vehicle Identification Number (VIN) before it ships. This means you can skip the expensive trip to the dealership for programming. You get a module loaded with the latest GM software updates, ensuring optimal performance and communication with your truck’s other systems. It’s a true plug-and-play fix that gets you back in control.
Common Signs of a Failing TCCM
- ✔ “Service 4WD” or “Service Four Wheel Drive” message on the instrument cluster.
- ✔ Inability to shift the transfer case into or out of 4-Hi, 4-Lo, or 2-Hi.
- ✔ The 4WD selector switch lights are inoperative or flashing.
- ✔ Diagnostic Trouble Codes (DTCs) stored in the system, such as U0102 (Lost Communication With Transfer Case Control Module).
- ✔ Grinding or clunking noises when attempting to shift the transfer case.
From the Diagnostic Bay
I remember a customer with a 2011 Sierra 1500 who came into the shop completely frustrated. His truck was stuck in 4-Hi right before a big snowstorm was forecast. He couldn’t get it back into 2WD for his daily highway commute. His selector switch was dead, and the “Service 4WD” light was on. After a quick scan, we found a U0102 code. We checked the basics—power and ground at the TCCM connector were good, and the fuse was intact. This pointed directly to an internal failure of the module itself. Swapping in a pre-programmed TCCM like this one had him back on the road in under 30 minutes, with full 4WD functionality restored just in time for the snow. It’s a simple fix that makes a world of difference.
A Straightforward Guide to Installation
- ✔ Safety First: Disconnect the negative terminal from your truck’s battery to prevent any electrical shorts.
- ✔ Locate the Module: The TCCM is typically located under the driver’s side of the dashboard, to the left of the steering column. You may need to remove a lower dash panel for access.
- ✔ Disconnect and Remove: Carefully unplug the electrical connectors from the old TCCM. Then, unbolt or unclip the module from its mounting bracket.
- ✔ Install the New Module: Mount your new, pre-programmed TCCM in the same location. Securely plug in all electrical connectors until they click into place.
- ✔ Final Steps: Reinstall any dash panels you removed. Reconnect the negative battery terminal. Start the truck and test the 4WD selector switch to confirm proper operation.
Will This Fit My Truck?
This TCCM is a direct-fit replacement for a wide range of GM trucks and SUVs. Please verify your vehicle is on the list below. We program the module using your VIN to ensure perfect compatibility.
- 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 / 2008-2013
- TAHOE: 2008-2014
- YUKON / YUKON XL 1500: 2007 (Denali), 2008-2014
- YUKON XL 2500: 2008-2013
This module is compatible with part numbers: 24261367, 12588096, 24239190, 24240487, 24241143, 24241970, 24242480, 24243084, 24243085, 24249095, 24252878.
How do I provide my VIN for programming?
How do I provide my VIN for programming?
After you complete your purchase, simply send us a message with your vehicle’s 17-digit VIN. We cannot ship the module until we receive this information, as the programming is essential for it to function in your truck.
Is this a plug-and-play part?
Yes! Because we program the module to your specific VIN before shipping, it arrives ready to install. No additional programming or trips to the dealer are required. Just install it and your 4WD system will be restored.
Will this fix the ‘Service 4WD’ light?
In the vast majority of cases, a faulty TCCM is the root cause of the ‘Service 4WD’ light. If your symptoms match the ones listed, this module is the definitive solution to clear the light and resolve the underlying problem.
What if I have a different part number on my old module?
This module replaces a wide range of original GM part numbers. Please check the compatible part number list in the description. As long as your original part number is on that list, this module will work perfectly for your vehicle.