Regain Control of Your 4WD System
Is the dreaded “Service 4WD” light glaring at you from the dashboard? Are you frustrated by a 4×4 system that won’t engage, disengage, or respond to the selector switch? You rely on your GM truck or SUV for its capability, and a faulty Transfer Case Control Module (TCCM) can leave you without the traction you need, when you need it most. This is the definitive solution to restore your vehicle’s all-terrain confidence and get you back on the road and trail without a mandatory, expensive trip to the dealership.
Common Symptoms & Your Direct-Fit Solution
A failing TCCM can manifest in several ways, often leading to Diagnostic Trouble Codes (DTCs) like C0327, C0398, or U0102. If you’re experiencing any of the following, this module is the likely culprit:
- “Service 4WD” or “Service Four Wheel Drive” message is illuminated
- Inability to switch between 2HI, 4HI, 4LO, or Auto modes
- Selector switch lights are off or flash without engaging
- 4WD system seems to be stuck in one mode
This isn’t just a replacement part; it’s a complete, ready-to-install fix. We take a brand new, high-quality 2008-2013 Yukon XL 2500 Transfer Case Control Module and professionally program it with the latest, most stable software updates from GM. By using the VIN you provide at checkout, we ensure the module is perfectly matched to your vehicle’s specific options and configuration, making installation a true plug-and-play process.
Features & Tangible Benefits
- ✔ VIN-Programmed for Your Vehicle: This module arrives ready to install right out of the box. No need for expensive scan tools or a trip to the dealer for programming, saving you hundreds of dollars and significant downtime.
- ✔ Loaded with Latest GM Software: We flash the module with the most current GM updates, which often correct factory bugs and improve transfer case shift performance and reliability.
- ✔ Restores Full 4WD Functionality: Eliminate frustrating error messages and regain complete control over your two-speed transfer case (options NQF & NQH), ensuring your truck is ready for any weather or terrain.
- ✔ Direct OE-Fit Replacement: Engineered to match the original form, fit, and function of part numbers like 24243085, 24261367, and others, guaranteeing a seamless installation.
- ✔ Peace of Mind Included: This unit is backed by our one-year replacement warranty.
An Expert’s Insight on TCCM Failure
As a technician, I’ve seen dozens of these GMT900-platform trucks and SUVs come in with 4WD issues. The original TCCMs are often susceptible to internal electronic failure from vibrations, heat cycles, or moisture intrusion over time. Many owners buy a used or blank module online, only to discover it still needs to be programmed by a dealer, adding an unexpected $150-$300 to their repair bill. This pre-programmed 2008-2013 Yukon XL 2500 Transfer Case Control Module completely bypasses that headache. It’s the smartest, most efficient way for a DIYer or professional shop to complete this job correctly the first time.
Frequently Asked Questions
Do I need to get this module programmed after I receive it?
No. The main benefit of our service is that the module arrives at your door fully programmed to your vehicle’s specific VIN. It is ready for a plug-and-play installation.
What information do you need from me?
After you complete your purchase, you must provide us with your vehicle’s 17-digit Vehicle Identification Number (VIN). This is critical for us to load the correct software for your truck’s options.
Will this fix my “Service 4WD” light?
In the vast majority of cases, a faulty TCCM is the direct cause of the “Service 4WD” light and related shifting issues. While other problems can exist (like a faulty encoder motor or switch), this module is the most common point of failure and the correct first step in a proper diagnosis.
Is this a genuine GM part?
This is a high-quality, new replacement part built to meet or exceed original equipment specifications. It is programmed using official GM software to ensure perfect compatibility and performance.
Where is the TCCM located on my truck?
On most compatible GM trucks and SUVs from this era, the Transfer Case Control Module is located on the driver’s side of the dashboard, typically mounted to a metal bracket up and to the left of the steering column. It’s a black box with several electrical connectors.
What if my original part number isn’t on your list?
The part numbers listed are the most common, but GM often has many superseded numbers. If your part number is different, please contact us with your VIN and we will be happy to verify compatibility for you.