Regain Command of Your Four-Wheel Drive System
Is the dreaded “Service 4 Wheel Drive” message lit up on your 2008-2013 Chevrolet Avalanche 1500’s dashboard? Are you unable to switch between 2WD and 4WD, leaving you unprepared for bad weather or tough terrain? You’ve likely pinpointed the culprit: a failed Transfer Case Control Module (TCCM). This isn’t just an annoyance; it’s a critical failure that compromises your truck’s capability. This module is the central command for your 4×4 system, and when it fails, you’re left stranded in two-wheel drive. We offer a direct-fit, reliable solution with our TCCM, part number 24241970.
The biggest hurdle in replacing a modern electronic module isn’t the physical installation—it’s the expensive and time-consuming programming required afterward. Our solution eliminates that step entirely. Simply provide us with your vehicle’s VIN during checkout, and our technicians will flash the module with the latest, most stable GM software specific to your truck. It arrives at your door ready to install, saving you a trip to the dealership and hundreds of dollars in programming fees.
A Technician’s Notebook: The Telltale Signs of TCCM Failure
In my 20+ years in the bay, I’ve seen countless GM trucks roll in with 4×4 issues. A memorable case was a 2011 Silverado with a flashing 4WD switch light. The owner had already replaced the switch and the transfer case motor, chasing the problem and wasting money. A quick scan with a proper tool revealed communication-loss codes (U-codes) pointing to the TCCM. On these GMT900 platforms, the TCCM is mounted under the driver’s side dash, but it’s still susceptible to electrical spikes and internal solder joint failure over time. Replacing the module with a pre-programmed unit like this one resolved the issue in under 30 minutes. The customer was thrilled to have his 4×4 back without a massive dealer bill.
Common Signs of a Failing TCCM
- ✔ “Service 4 Wheel Drive” or “Service 4×4” message on the Driver Information Center (DIC).
- ✔ Inability to shift the transfer case into or out of 4HI, 4LO, or Auto mode.
- ✔ The 4WD selector switch lights blink but never stay solid.
- ✔ The system defaults to and gets stuck in 2WD.
- ✔ Diagnostic Trouble Codes (DTCs) are present, such as C0306, C0327, C0374, or various U-codes indicating loss of communication with the TCCM.
A Straightforward Guide to Installation
Installing your new 2008-2013 Avalanche 1500 TCCM is a job most DIYers can handle with basic tools. Since we’ve handled the programming, it’s a true plug-and-play process.
- Safety First: Disconnect the negative terminal from your truck’s battery to prevent any electrical shorts.
- Locate the Module: On most compatible GM trucks and SUVs, the TCCM is located under the dashboard on the driver’s side, often mounted to a metal bracket near the steering column.
- Remove the Old Module: You may need to remove a lower dash panel for access. The module is typically held in place by two or three small bolts or nuts (often 7mm or 10mm). Disconnect the electrical connectors by pressing their release tabs.
- Install the New Module: Mount your new, pre-programmed TCCM in the same location and secure it with the original hardware. Firmly reconnect the electrical connectors until they click into place.
- Final Steps: Reinstall any trim 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 be gone.
Verified Vehicle Compatibility
This module is a direct replacement for a wide range of General Motors trucks and SUVs. It is compatible with multiple part numbers, including 24261367, 12588096, 24239190, and others listed in the original description. Please see the detailed list below. Your module will be programmed specifically for the VIN you provide.
- Chevrolet Avalanche 1500: 2008-2013
- Chevrolet Silverado 1500/2500/3500: 2007 (New Body Style) – 2014
- Chevrolet Suburban 1500/2500: 2008-2014
- Chevrolet Tahoe: 2008-2014
- GMC Sierra 1500/2500/3500: 2007 (New Body Style) – 2014
- GMC Sierra Denali / Denali 2500 / Denali 3500: 2007-2014
- GMC Yukon / Yukon XL 1500 / Yukon XL 2500: 2007-2014
Frequently Asked Questions
What does ‘VIN Programmed’ mean?
It means we load the module with the specific software and calibrations from GM that match your truck’s unique Vehicle Identification Number (VIN). This ensures perfect compatibility with your vehicle’s options, like the specific transfer case model it has, without any need for a dealer visit.
Do I need any special tools for this installation?
No. Basic hand tools like a socket set and a screwdriver are typically all that’s required to access and swap the module. The most important part, the electronic programming, is already done for you.
Is this TCCM compatible with other part numbers?
Yes, this module is a direct replacement for a range of GM part numbers, including 24261367, 12588096, 24239190, 24240487, 24241143, 24241970, 24242480, 24243084, 24243085, 24249095, and 24252878.
Will this fix the ‘Service 4 Wheel Drive’ light?
If the TCCM is the source of the problem, then yes, this part is the definitive solution. The symptoms listed above are strong indicators of a failed TCCM.
How do I provide my VIN?
After you complete your purchase, you will need to send us a message with your vehicle’s 17-digit VIN. We cannot ship your order until we receive this information to program the module correctly.