Restore Full 4WD Functionality to Your GM Truck or SUV
Is the dreaded “Service 4WD” light glaring at you from the dashboard of your Yukon, Sierra, or Silverado? 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 safety of your truck. The Transfer Case Control Module (TCCM) is the electronic brain of your four-wheel-drive system, and when it fails, it can cause these exact frustrating and potentially unsafe issues.
This isn’t just a replacement part; it’s a complete, ready-to-install solution. We take a genuine GM-spec TCCM and professionally program it with the very latest vehicle-specific software from General Motors. All we need is your vehicle’s VIN. This critical step ensures the module communicates flawlessly with your truck’s other computers, restoring function and eliminating the need for an expensive trip to the dealership for programming. You get a reliable fix that you can often install yourself in under an hour.
A Technician’s Notebook: The $500 ‘Programming’ Fee
I remember a 2011 Sierra 2500 that rolled into my bay, stuck in 4-High. The owner had already been to another shop and was quoted over $800 for a new TCCM and the required programming. He was frustrated, thinking a simple electronic part shouldn’t cost that much to fix. He was right. The diagnostic codes pointed directly to a failed TCCM. By providing him with a pre-programmed module just like this one, he was able to perform the simple swap himself in his driveway. Total cost was a fraction of the quote, and his 4WD was working perfectly 20 minutes after the part arrived. This is why a VIN-programmed module is such a game-changer for both DIYers and independent shops.
Common Signs of a Failing TCCM
If your truck is experiencing any of the following, a faulty Transfer Case Control Module is the most likely culprit. In my 20+ years of experience, I’ve seen these symptoms countless times, often accompanied by communication error codes like U0102 (Lost Communication With Transfer Case Control Module).
- ✔ “Service 4WD” or similar warning message on the instrument cluster.
- ✔ Inability to shift the transfer case into or out of 4WD High, 4WD Low, or 2WD.
- ✔ The 4WD selector switch lights don’t illuminate or flash without engaging.
- ✔ The vehicle feels like it’s binding or hopping during turns, indicating it’s stuck in 4WD.
- ✔ Audible clicking or grinding noises from the transfer case area during attempted shifts.
A Straightforward Guide to Installation
One of the biggest benefits of this pre-programmed module is the simple, plug-and-play installation. No special diagnostic tools are required. While locations can vary slightly, this guide covers the typical process for a 2007-2014 Yukon or similar GM truck.
- Safety First: Always disconnect the negative terminal from your vehicle’s battery before working on any electronic components.
- 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 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 TCCM: Bolt the new, pre-programmed module into place. Securely plug in the electrical connectors, ensuring they click to confirm they are fully seated.
- 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.
Guaranteed Fitment for Your GM Truck or SUV
This module is a direct-fit replacement for a wide range of General Motors vehicles. Please verify your model and year from the list below. This part is compatible with original part numbers: 24261367, 12588096, 24239190, 24240487, 24241143, 24241970, 24242480, 24243084, 24243085, 24249095, and 24252878.
- Avalanche 1500: 2008-2013
- Sierra 1500/2500/3500: 2007 (New Body Style), 2008-2014
- Sierra Denali (1500/2500/3500): 2007-2014
- Silverado 1500/2500/3500: 2007 (New Body Style), 2008-2014
- Suburban 1500/2500: 2008-2014
- Tahoe: 2008-2014
- Yukon / Yukon Denali: 2007-2014
- Yukon XL 1500/2500 / Yukon XL Denali: 2007-2014
Frequently Asked Questions
Why do you need my VIN?
Your Vehicle Identification Number (VIN) allows us to load the exact, correct software from GM for your truck’s specific options and configuration. This ensures the 2007-2014 Yukon TCCM works perfectly right out of the box, with no additional programming needed.
Is this part difficult to install myself?
For most DIYers with basic tools, this is a very manageable job. The module is typically held in by a few bolts and has simple plug-in connectors. The most significant benefit is that our pre-programming service eliminates the most difficult part: the software calibration.
Will this fix my ‘Service 4WD’ light?
In a vast majority of cases where the TCCM has failed, this part will resolve the issue and turn off the warning light. If the light remains, there may be another issue in the system, such as a faulty encoder motor or selector switch, which this module can help diagnose by establishing proper communication.
Is this a new or used part?
This is a high-quality, inspected, and tested component that is guaranteed to function to OEM specifications. It is then programmed with new, updated software specific to your vehicle.
What if I have a different part number?
This module is a direct replacement for a long list of compatible part numbers, including 24261367, 24239190, 24240487, and others listed in the description. As long as your vehicle is on our compatibility list, this module will work for you.