Regain Control of Your 4×4 System
Is that frustrating “Service 4WD” light glaring at you from the dashboard of your Suburban? Are you unable to switch between 2WD and 4WD, leaving you unprepared for bad weather or tough terrain? You’ve likely diagnosed a failed Transfer Case Control Module (TCCM), the electronic brain of your four-wheel-drive system. In my 20+ years of experience, I’ve seen these modules fail due to electrical surges, moisture intrusion, or simple component age, causing major headaches for owners. This isn’t just an inconvenience; it’s a matter of vehicle capability and safety.
This is the definitive, hassle-free solution. We offer a genuine replacement TCCM, part number 24239190, that arrives at your door fully programmed to your specific vehicle. Simply provide us with your VIN during checkout, and our technicians will flash the module with the latest GM software updates. This means no expensive trip to the dealership for programming, saving you time and potentially hundreds of dollars in labor. You get a part that is truly plug-and-play, restoring your truck’s critical 4×4 functions right out of the box.
A Technician’s Notebook
I remember a customer with a 2011 Sierra 2500 who was stuck in 4-HI right before a long road trip. The dealer quoted him over $800 for a new module and the required programming. He was hesitant, so he brought it to my shop. A quick scan confirmed a TCCM internal fault (DTC C0569). Instead of the dealer route, we ordered one of these pre-programmed modules. It arrived two days later, and the installation took less than 20 minutes. He was back on the road with a fully functional 4×4 system for a fraction of the cost. This is the smart, efficient repair that keeps your truck reliable without draining your wallet.
Is Your Suburban Showing These TCCM Failure Signs?
A faulty TCCM can manifest in several ways. If you’re experiencing any of the following, this module is the likely solution:
- ✔ “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 2WD.
- ✔ The 4WD selector switch lights are inoperative or flashing.
- ✔ Audible clicking or grinding noises from the transfer case during attempted shifts.
- ✔ Diagnostic Trouble Codes (DTCs) stored, such as C0306, C0321, C0327, U0102, or B0790.
DIY-Friendly Installation: A Step-by-Step Guide
Replacing the 2008-2013 Suburban 2500 TCCM is a straightforward job that most DIYers can handle in their own driveway. Since our module comes pre-programmed, no special scan tools are needed.
- Safety First: Disconnect the negative terminal from your vehicle’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 the 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 disconnected, unbolt the module from its mounting bracket.
- Install the New Module: Bolt the new, pre-programmed TCCM into place. Securely plug in the electrical connectors, ensuring they click and lock.
- Final Steps: Reinstall any dash panels you removed. Reconnect the negative battery terminal. Start the vehicle and test the 4WD selector switch to confirm proper operation. The “Service 4WD” light should now be off.
Verified Fitment for Your GM Truck or SUV
This module is a direct replacement for a wide range of GM vehicles and supersedes multiple part numbers, ensuring broad compatibility. Please verify your vehicle is on this list. This part is compatible with the following part numbers: 24261367, 12588096, 24239190, 24240487, 24241143, 24241970, 24242480, 24243084, 24243085, 24249095, and 24252878.
- Chevrolet Avalanche 1500: 2008-2013
- Chevrolet Silverado 1500/2500/3500: 2007 (New Body Style) – 2014
- Chevrolet Suburban 1500: 2008-2014
- Chevrolet Suburban 2500: 2008-2013
- Chevrolet Tahoe: 2008-2014
- GMC Sierra 1500/2500/3500: 2007 (New Body Style) – 2014
- GMC Sierra Denali / 2500 / 3500: 2007-2014
- GMC Yukon / Yukon XL 1500: 2007-2014
- GMC Yukon XL 2500: 2008-2013
How does the VIN programming work?
How does the VIN programming work?
After you place your order, you will need to provide us with your vehicle’s 17-digit VIN (Vehicle Identification Number). Our technicians use this number to load the exact factory software and the latest updates from GM onto the module before it ships. This ensures perfect compatibility and function.
Is this part difficult to install myself?
How does the VIN programming work?
After you place your order, you will need to provide us with your vehicle’s 17-digit VIN (Vehicle Identification Number). Our technicians use this number to load the exact factory software and the latest updates from GM onto the module before it ships. This ensures perfect compatibility and function.
Will this fix my ‘Service 4WD’ light?
How does the VIN programming work?
After you place your order, you will need to provide us with your vehicle’s 17-digit VIN (Vehicle Identification Number). Our technicians use this number to load the exact factory software and the latest updates from GM onto the module before it ships. This ensures perfect compatibility and function.
What if I have a different part number on my old module?
How does the VIN programming work?
After you place your order, you will need to provide us with your vehicle’s 17-digit VIN (Vehicle Identification Number). Our technicians use this number to load the exact factory software and the latest updates from GM onto the module before it ships. This ensures perfect compatibility and function.