Dorman 599-112 Transfer Case Control Module

Overview of Dorman Transfer Case Control Module 599-112

The Dorman 599-112 Transfer Case Control Module is designed to provide reliable control for the transfer case system in select Chevrolet and GMC vehicles. This module features a black connector and pin-type terminals, ensuring secure and consistent electrical connections for optimal performance.

• Connector color: Black for easy identification and compatibility
• Terminal type: Pin terminals for secure electrical contact
• Includes one transfer case control module per package
• Compatible with multiple Chevrolet and GMC models

Detailed Product Description

This transfer case control module by Dorman is engineered to meet the specific requirements of transfer case systems in Chevrolet Avalanche, Suburban 1500, Suburban 2500, Tahoe, and GMC Yukon, Yukon XL 1500, and Yukon XL 2500 models. The black connector housing and pin terminal design facilitate a reliable connection to the vehicle’s wiring harness, minimizing the risk of electrical faults. The module is built to integrate seamlessly with the vehicle’s drivetrain control system, ensuring accurate transfer case operation and improved drivetrain responsiveness.

Compatible Vehicles and Applications

This Dorman transfer case control module 599-112 is compatible with the following vehicles:

• Chevrolet Avalanche
• Chevrolet Suburban 1500 and 2500
• Chevrolet Tahoe
• GMC Yukon, Yukon XL 1500, and Yukon XL 2500

Common Issues Addressed by This Module

• Intermittent or failed transfer case shifting
• Loss of four-wheel drive engagement
• Warning lights related to transfer case malfunction
• Erratic drivetrain behavior during off-road or low-traction conditions
• Electrical connection failures due to worn or damaged control modules

Installation Notes and Tips

• Ensure the vehicle’s battery is disconnected before installation to prevent electrical shorts
• Verify connector color and terminal type match the original module for compatibility
• Handle the module carefully to avoid damage to the pin terminals
• Follow vehicle-specific service manual instructions for transfer case control module replacement
• After installation, perform a system scan to clear any diagnostic trouble codes and verify proper operation

Quality Assurance and Warranty

Dorman transfer case control modules undergo rigorous testing to meet OEM standards for fit, form, and function. The 599-112 part is manufactured to provide consistent performance and durability under normal operating conditions. Warranty coverage details should be confirmed at the time of purchase, as they may vary by distributor or retailer.