Restore Your Truck’s Four-Wheel Drive with a True Plug-and-Play Solution
Is that frustrating “Service 4WD” light glaring at you from the dash of your Sierra Denali? Are you unable to switch between 2WD and 4WD, leaving you unprepared for bad weather or tough terrain? You’re not just losing a feature; you’re losing the core capability and confidence that comes with owning a heavy-duty GM truck. The Transfer Case Control Module (TCCM) is the electronic brain of your 4×4 system, and when it fails, it can leave you stranded in the wrong drive mode. This isn’t just an inconvenience—it’s a reliability issue you can’t afford to ignore.
This is a direct-replacement 2011-2014 Sierra Denali 2500 TCCM that arrives at your door fully programmed to your vehicle’s specific VIN. Forget about expensive dealership visits, towing fees, or the hassle of finding a shop with the right GM programming tools. We handle the complex part for you. Simply provide your VIN during checkout, and our technicians will flash the module with the latest factory software, ensuring it communicates flawlessly with your truck’s powertrain and body control modules right out of the box.
Case Study: A Tricky Diagnosis
A customer brought in a 2013 Silverado 2500 with an intermittent “Service 4WD” light. The 4×4 switch lights would sometimes not illuminate, and he couldn’t engage 4-Low. His local mechanic had already replaced the transfer case encoder motor, but the problem persisted. When I scanned it, I found a DTC C0327 (Encoder Circuit Malfunction) and a U0102 (Lost Communication with TCCM). In my 20+ years, I’ve seen this exact scenario dozens of times. While the encoder motor can fail, the TCCM itself is often the root cause due to internal circuit board corrosion or voltage irregularities. We installed one of our pre-programmed modules, cleared the codes, and the 4×4 system was restored in under 30 minutes. The customer avoided the high cost of dealership diagnostics and got a reliable fix.
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:
- âś” “Service 4WD” or “Service Four Wheel Drive” message on the driver information center (DIC).
- âś” Inability to shift the transfer case into or out of 4HI, 4LO, or 2WD.
- âś” The 4WD selector switch lights are off or flash without engaging the system.
- âś” Diagnostic Trouble Codes (DTCs) stored in the system, such as C0306, C0321, C0327, C0569, or U0102.
- âś” Grinding or clunking noises when attempting to shift drive modes.
A Straightforward Guide to Installation
Designed for the confident DIYer or professional mechanic, installing this module is a simple process that requires basic hand tools and about 30 minutes of your time. No programming is needed on your end.
- Safety First: Disconnect the negative terminal from your truck’s battery to prevent any electrical shorts.
- Locate the Module: The TCCM is typically located on the driver’s side, up under 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 module. They have locking tabs that need to be depressed. Once unplugged, unbolt the module from its mounting bracket.
- Install the New Module: Bolt the new, pre-programmed TCCM into place. Reconnect the electrical connectors, ensuring they click securely into place.
- Final Steps: Reinstall any dash panels you removed and reconnect the negative battery terminal. Start the vehicle and test the 4WD selector switch to confirm proper operation.
Guaranteed Fitment for Your GM Truck or SUV
This module, part number 24261367, is a direct replacement for a wide range of GM vehicles. It is also a compatible replacement for part numbers: 12588096, 24239190, 24240487, 24241143, 24241970, 24242480, 24243084, 24243085, 24249095, and 24252878. Please verify your vehicle is on the list below:
- AVALANCHE 1500: 2008-2013
- SIERRA 1500 PICKUP: 2007 (New Body Style, NQH), 2008-2013
- SIERRA 2500 PICKUP: 2007 (New Body Style, NQF), 2008-2014
- SIERRA 3500 PICKUP: 2007 (New Body Style), 2008-2014
- SIERRA DENALI: 2007-2010
- SIERRA DENALI 2500: 2011-2014
- SIERRA DENALI 3500: 2011-2014
- SILVERADO 1500 PICKUP: 2007 (New Body Style, NQH), 2008-2013
- SILVERADO 2500 PICKUP: 2007 (New Body Style, NQF), 2008-2014
- SILVERADO 3500 PICKUP: 2007 (New Body Style), 2008-2014
- SUBURBAN 1500/2500: 2008-2014/2008-2013
- TAHOE / YUKON: 2007 (Denali), 2008-2014
- YUKON XL 1500/2500: 2007 (Denali), 2008-2014/2008-2013
Do I need to do any programming myself?
Do I need to do any programming myself?
Absolutely not. The main benefit of our service is that we program the module to your vehicle’s VIN before we ship it. It arrives ready for installation, saving you a trip to the dealership and additional programming fees.
What information do you need from me?
After you complete your purchase, you will need to provide us with your vehicle’s 17-digit VIN (Vehicle Identification Number). This is crucial for us to load the correct GM software for your specific truck.
Is this part a genuine GM component?
This is a high-quality replacement module that meets or exceeds OEM specifications. We use the official GM software for programming, ensuring it functions identically to a factory-new part.
Where is the TCCM located on my 2012 Sierra 2500?
On most 2007-2014 GM trucks and SUVs, including your Sierra, the Transfer Case Control Module is mounted under the driver’s side dashboard, to the left of the steering column. You’ll likely need to remove the plastic knee bolster panel to see and access it.
Will this fix a “Service 4WD” light?
In the vast majority of cases, yes. The TCCM is the most common point of failure when the “Service 4WD” message appears and you cannot shift modes. While other parts like the encoder motor or selector switch can fail, a faulty TCCM is the primary culprit.