Dorman 599-138 HVAC Control Module - Front

Overview of Dorman HVAC Control Module 599-138

The Dorman HVAC Control Module 599-138 is designed for reliable operation in Chevrolet Tahoe and GMC Yukon vehicles. This bolt-on module supports automatic temperature control without requiring programming, ensuring straightforward replacement and consistent climate management.

Key Features of the HVAC Control Module

• No programming required for installation
• Compatible with Chevrolet Tahoe and GMC Yukon models
• Pin-type terminals with 16 and 20 terminal counts
• Four female connectors with male terminals
• Black housing with bolt-on mounting type
• Supports automatic temperature control functionality

Detailed Product Description

The Dorman 599-138 HVAC Control Module is engineered to integrate seamlessly with the HVAC systems of Chevrolet Tahoe and GMC Yukon vehicles. Featuring a black housing and a bolt-on mounting design, this module is built for durability and ease of installation. It includes four female connectors and male pin terminals, with terminal counts of 16 and 20, providing secure and reliable electrical connections. The module supports automatic temperature control, allowing the vehicle’s climate system to maintain desired cabin temperatures efficiently. Since no programming is required, this part simplifies the replacement process and reduces downtime.

Common Applications and Issues Addressed

• Restores proper automatic temperature control operation
• Resolves HVAC system unresponsiveness or erratic behavior
• Fixes issues related to faulty control module communication
• Eliminates problems with inconsistent cabin temperature regulation
• Replaces damaged or malfunctioning HVAC control modules in Chevrolet Tahoe and GMC Yukon

Installation Notes and Tips

Installation of the Dorman 599-138 HVAC Control Module requires no programming, making it suitable for professional and experienced DIY technicians. The bolt-on mounting type ensures a secure fit in the designated location. Care should be taken to connect the four female connectors properly to the corresponding male terminals, ensuring all 16 and 20 pins are fully seated to avoid electrical issues. Although mounting hardware is not included, standard bolts compatible with the vehicle’s mounting points are necessary for installation.

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM standards for fit, form, and function. The 599-138 HVAC Control Module undergoes rigorous quality control to ensure reliable performance in Chevrolet Tahoe and GMC Yukon vehicles. While specific warranty details are not provided here, Dorman typically offers limited warranties on their replacement parts to cover defects in materials and workmanship.