Is Your Yukon’s 4WD System Unreliable?
When the “Service 4WD” light illuminates on your dash, it’s more than an annoyance—it’s a loss of the core capability you depend on. A faulty Transfer Case Control Module (TCCM) can leave you without four-wheel drive when you need it most, whether you’re towing a heavy load, navigating a slippery boat ramp, or facing a snowy commute. This isn’t just about a light; it’s about restoring the confidence and control you expect from your heavy-duty GMC. Stop guessing and replace the faulty electronic brain of your 4×4 system with a solution designed to work right out of the box.
Common Symptoms & Your Direct-Fit Solution
If you’re experiencing issues like the inability to shift between 2WD, 4-HI, and 4-LO, erratic 4×4 engagement, or persistent diagnostic trouble codes (DTCs) such as C0327 or C0398, the TCCM is the most common culprit. Our solution is a dependable, direct-fit replacement module that arrives ready for installation. We take the guesswork out of the repair by pre-programming the unit specifically to your vehicle’s VIN. This ensures all the factory-intended parameters are correctly loaded, providing a seamless repair. This is the definitive fix for owners seeking a reliable, no-hassle restoration of their vehicle’s transfer case operations. Getting the correct, VIN-matched Programmed 24239190 TCCM for Yukon XL 2500 is the first and most important step to a lasting repair.
Features & Benefits
- ✔ VIN-Programmed for Your Truck: We flash the module with the latest GM software using your vehicle’s unique VIN. This means no expensive trips to the dealer for programming—it’s truly plug-and-play.
- ✔ Restores Full 4WD Functionality: Eliminates error messages and restores crisp, correct shifting between all transfer case ranges, giving you back the all-terrain capability you need.
- ✔ Direct OEM-Style Replacement: Engineered to match the original fit and connections, making installation straightforward for the DIY mechanic or your trusted technician.
- ✔ Broad GM Compatibility: While perfect for your truck, this module is also compatible with a wide range of GM vehicles, including Sierra, Silverado, Suburban, and Tahoe models (see full fitment list).
- ✔ This unit is backed by our one-year replacement warranty.
Expert Insight: The Critical Role of VIN Programming
Many people assume any TCCM will work, but that’s a costly mistake. GM trucks have dozens of different configurations (RPO codes) for axles, tire sizes, and transfer case models (like NQF or NQH). The TCCM needs to know this exact information to command shifts correctly and calculate wheel speed accurately. A generic, non-programmed module can cause shifting errors, damage to internal transfer case components, or simply not work at all. By providing your VIN, you ensure the Programmed 24239190 TCCM for Yukon XL 2500 we send you is a perfect electronic match for your truck’s specific build sheet, guaranteeing a successful and durable repair.
Don’t let a faulty module compromise the integrity and utility of your truck. Install this pre-flashed TCCM to get your 4WD system back to factory-spec condition and drive with renewed peace of mind. The right solution, a Programmed 24239190 TCCM for Yukon XL 2500, is essential for restoring your vehicle’s dependability.
Frequently Asked Questions
Why does this module need my VIN?
Your vehicle’s Vehicle Identification Number (VIN) allows us to flash the module with the exact software and calibrations specified by GM for your truck’s unique configuration, including its engine, transmission, and transfer case options. This ensures perfect compatibility and function without needing a dealer visit.
Is this part difficult to install?
For most GM trucks and SUVs, the TCCM is located under the dashboard on the driver’s side. It is typically held in by a few bolts and has simple electrical connectors. For someone with basic mechanical skills, it is a very manageable DIY job that can be completed in under an hour.
Will this fix the “Service 4WD” light?
Yes, in the vast majority of cases, a faulty TCCM is the root cause of the “Service 4WD” warning light and the associated shifting problems. Replacing it with this correctly programmed unit is the definitive solution for these symptoms.
How do I provide my VIN after ordering?
After you complete your purchase, you will receive instructions on how to send us your 17-digit VIN. We must have your VIN to program the module before we can ship your order.
Does this fit models other than the Yukon XL 2500?
Absolutely. This module is compatible with a wide range of GM trucks and SUVs from approximately 2007 to 2014, including the Avalanche, Sierra 1500/2500/3500, Silverado 1500/2500/3500, Suburban, and Tahoe. Please check the detailed fitment list on this page to confirm for your specific vehicle.