Dorman 599-146 HVAC Control Module - Front

Overview of Dorman HVAC Control Module 599-146

The Dorman HVAC Control Module 599-146 is designed specifically for GMC Acadia models, providing reliable automatic temperature control without the need for programming. This bolt-on module features a black housing and a pin-type terminal connection, ensuring straightforward integration with your vehicle's HVAC system.

• No programming required for easy installation
• Compatible with GMC Acadia HVAC systems
• Pin terminal type with 14 to 20 terminals for secure connections
• Female connector with male terminals for proper fit
• Bolt-on mounting type with black housing for durability
• Supports automatic temperature control functionality

Detailed Product Description

The Dorman 599-146 HVAC Control Module is engineered to replace the factory control module in GMC Acadia vehicles. It features a pin terminal type with a terminal quantity ranging from 14 to 20, accommodating the necessary electrical connections for HVAC operation. The module’s female connector and male terminals ensure compatibility with the vehicle’s wiring harness. Its bolt-on mounting design allows for secure installation without additional mounting hardware. The black housing provides a durable enclosure to protect the internal components from environmental factors. This module supports automatic temperature control, maintaining cabin comfort by regulating the HVAC system efficiently.

Common Applications and Issues Resolved

• Restores automatic temperature control functionality in GMC Acadia HVAC systems
• Replaces faulty or unresponsive HVAC control modules
• Solves issues related to inconsistent cabin temperature regulation
• Addresses problems with HVAC system communication errors
• Eliminates control panel malfunctions affecting climate control

Installation Notes and Tips

• No programming is required, simplifying the replacement process
• Ensure the vehicle’s battery is disconnected before installation to prevent electrical shorts
• Verify terminal connections match the original module to avoid wiring issues
• Use appropriate tools for bolt-on mounting to secure the module firmly
• Consult the vehicle’s service manual for detailed HVAC system procedures

Quality Assurance and Warranty

Dorman HVAC Control Module 599-146 is manufactured to meet or exceed OEM specifications for fit, form, and function. While no instruction manual or mounting hardware is included, the module is designed for direct replacement in compatible GMC Acadia models. Warranty coverage details should be confirmed with the point of purchase or manufacturer documentation.