Restore Your Truck’s 4WD Capability Instantly
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). This isn’t just an inconvenience; it’s a critical failure that compromises your truck’s versatility and safety. But the solution doesn’t have to involve expensive dealership visits and programming fees.
This is a direct-fit, plug-and-play solution. We take the hassle out of the repair by programming this module to your truck’s specific Vehicle Identification Number (VIN) before we ship it. This means it arrives at your door ready for a straightforward installation, loaded with the latest GM software updates for optimal performance and reliability. You get a fully functional 4×4 system back without the typical dealership headaches.
From the Diagnostic Bay: A Common TCCM Mix-Up
A customer brought in his ’11 Silverado with the classic “Service 4WD” light and no response from the selector switch. He had already replaced the expensive transfer case encoder motor, but the problem persisted. In my 20+ years of experience, I’ve seen this exact scenario dozens of times. We hooked up a professional scan tool and found a U0102 code – Lost Communication with Transfer Case Control Module. The encoder motor was fine; the TCCM itself was the culprit. A quick check of the power and ground at the module confirmed it had what it needed but wasn’t communicating. This pre-programmed module is the precise fix for that situation, saving you from replacing parts you don’t need.
Is Your Truck Showing These TCCM Failure 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 2-Wheel Drive.
- ✔ Indicator lights on the 4WD selector switch are off or flashing.
- ✔ The vehicle is stuck in a single drive mode (e.g., 4HI or even Neutral).
- ✔ Diagnostic Trouble Codes (DTCs) stored, such as C0327, C0398, or communication codes like U0102.
Your Straightforward TCCM Installation Guide
Getting your four-wheel drive back is easier than you think. This module is typically located behind the lower dash panel on the driver’s side.
- Safety First: Always disconnect the negative terminal from your truck’s battery before working on electrical components.
- Access the Module: Remove the lower dash panel (knee bolster) below the steering column. It’s usually held in by a few screws and clips.
- Locate the Old TCCM: You will see the old module, a small black box with several electrical connectors, mounted to a bracket.
- Disconnect and Remove: Carefully unplug the electrical harnesses from the old module. Then, unbolt it from its mounting bracket.
- Install the New Module: Mount your new, pre-programmed TCCM onto the bracket and securely plug in all the electrical connectors.
- Final Steps: Reinstall the lower dash panel and reconnect the negative battery terminal. Start the truck and test your 4WD selector switch to confirm the repair.
Verified Fitment For Your GM Truck or SUV
This module is a guaranteed fit for a wide range of GM vehicles. While this listing is focused on the 2007-2013 Sierra 1500 TCCM, it is also compatible with the following models. Please provide your VIN upon purchase to ensure perfect programming for your specific vehicle.
This module is a direct replacement for part numbers: 24261367, 12588096, 24239190, 24240487, 24241143, 24241970, 24242480, 24243084, 24243085, 24249095, and 24252878.
- Avalanche 1500: 2008-2013
- Sierra 1500/2500/3500 Pickup: 2007 (New Body Style), 2008-2014
- Sierra Denali / Denali 2500 / Denali 3500: 2007-2014
- Silverado 1500/2500/3500 Pickup: 2007 (New Body Style), 2008-2014
- Suburban 1500/2500: 2008-2014
- Tahoe: 2008-2014
- Yukon / Yukon XL 1500 / Yukon XL 2500: 2007-2014
Frequently Asked Questions
Why do you need my VIN number?
Your truck’s VIN is essential for us to program the TCCM with the exact software and calibrations specified by GM for your vehicle’s options. This ensures seamless communication with other modules and proper transfer case operation, making it a true plug-and-play part.
Where is the TCCM located on a 2011 Sierra 1500?
On most 2007-2013 Sierra and Silverado models, the Transfer Case Control Module is located behind the driver’s side lower dash panel, to the left of the steering column.
Will this fix the “Service 4WD” light?
If the TCCM is the faulty component, yes, this part will resolve the “Service 4WD” light and restore function. It’s one of the most common causes for this warning message on these GM trucks.
Is any additional programming required after installation?
No. That’s the primary benefit of our service. We handle all the programming before shipping. Once you receive it, you simply install it, and you’re ready to go.
How do I know if this part number is compatible?
This module replaces a wide range of original part numbers, including 24240487, 24261367, 24241143, and more. As long as your vehicle is on the fitment list, we will program the module to be a perfect match for your original.