Restore Your 4WD with a Plug-and-Play Solution
Is the dreaded “Service 4WD” light glowing on your dashboard? Are you unable to switch between 2WD and 4WD, leaving you unprepared for bad weather or tough terrain? A faulty Transfer Case Control Module (TCCM) is the most common culprit in these GM trucks and SUVs. This isn’t just an annoyance; it’s a critical failure that compromises your vehicle’s capability and your safety. Get back on the road with confidence with this fully programmed TCCM, designed to be a direct, hassle-free replacement for your original unit.
Common Symptoms & Your Solution
If you’re experiencing any of the following issues, a failing TCCM is likely the problem. This module is the definitive solution for:
- “Service 4WD” or “Service Four Wheel Drive” message on the dash
- Inability to shift the transfer case into or out of 4-High, 4-Low, or Auto modes
- Selector switch lights are blinking or not illuminating at all
- Diagnostic Trouble Codes (DTCs) such as C0306, C0321, C0327, or C0569
- Unresponsive 4WD system, essentially leaving you with a 2WD vehicle
Our programmed 2007-2014 Yukon TCCM arrives ready for installation, saving you hundreds of dollars in dealership programming fees and diagnostic time.
Features & Benefits
- โ Plug & Play Installation: This module is pre-programmed to your vehicle’s specific VIN. No trips to the dealer for expensive flashing are required. Simply provide your VIN at checkout, and we handle the rest.
- โ Latest GM Software: We flash each module with the most current and stable software updates from General Motors, ensuring optimal performance and correcting known factory bugs.
- โ Restored Functionality: Regain complete and reliable control over your vehicle’s four-wheel-drive system. Switch between modes seamlessly and confidently.
- โ Guaranteed Compatibility: This unit directly replaces a wide range of original part numbers, including 24243084, 24261367, 12588096, 24239190, and more.
- โ Clear That Annoying Light: Installing this correct, programmed module will finally turn off the persistent “Service 4WD” warning light on your instrument cluster.
- โ This unit is backed by our one-year replacement warranty.
Expert Insight: Why Pre-Programming is Non-Negotiable
As a technician, I’ve seen countless truck owners buy a blank TCCM online, only to discover it’s a useless black box without dealer programming. The vehicle’s BCM won’t recognize it, and the 4WD system will remain dead. That process involves towing your vehicle to a dealer, paying for an hour or more of labor, and hoping they do it right. Our process eliminates that entire headache. We use your VIN to load the exact calibration file your truck or SUV left the factory with, plus any subsequent GM updates. This ensures every parameterโfrom tire size to gear ratioโis perfectly matched, giving you a true OE-level repair right in your own garage.
Frequently Asked Questions
How does the VIN programming process work?
It’s simple! After you complete your purchase, you will provide us with your vehicle’s 17-digit VIN. We use this number to access the official GM database and flash the module with the precise software and calibration file for your specific truck or SUV. This makes the unit ready to install right out of the box.
Is this a difficult part to install?
For most of these GM models, the TCCM is located on the driver’s side of the dashboard, often behind the lower dash panel near the parking brake pedal. It’s typically held in by a few bolts and has several electrical connectors. A confident DIYer with basic hand tools can usually complete the replacement in under an hour. No special tools are needed since our programmed 2007-2014 Yukon TCCM requires no further setup.
Will this fix the “Service 4WD” light?
Yes, in the vast majority of cases, a faulty TCCM is the direct cause of the “Service 4WD” message. Replacing your failed module with this correctly programmed unit will resolve the error and extinguish the warning light.
Do I need to return my old part?
No core charge is required for this part. You are not required to send your old, failed module back to us.
How can I be sure this fits my vehicle?
Please review the detailed fitment list provided in this listing. This module fits a wide range of 2007-2014 GM trucks and SUVs, including the Silverado, Sierra, Tahoe, Suburban, Yukon, and Avalanche. Providing your VIN for programming is the final step that guarantees perfect compatibility.