Dorman 599-190 HVAC Control Module - Front

Dorman 599-190 HVAC Control Module

Restore cabin climate control operation with this Dorman HVAC control module for automatic temperature control systems. It is a fully tested replacement for the original unit and installs as a bolt-on module with no programming required.

• Direct replacement HVAC control module for automatic temperature control
• No programming required after installation
• 4 female connectors with pin terminals and black housing
• Bolt-on mounting design for a secure fit
• Compatible with front HVAC applications on select Chevrolet Silverado and GMC Sierra trucks

Vehicle Fitment

• Fits 2010-2011 Chevrolet Silverado 1500, front; remanufactured automatic air conditioning controls.
• Fits 2010-2011 Chevrolet Silverado 2500, front; remanufactured automatic air conditioning controls.
• Fits 2010-2011 Chevrolet Silverado 2500 HD, front; remanufactured automatic air conditioning controls.
• Fits 2010-2011 Chevrolet Silverado 3500 HD, front; remanufactured automatic air conditioning controls.
• Fits 2010-2011 GMC Sierra, front; remanufactured automatic air conditioning controls.
• Fits 2010-2011 GMC Sierra 1500, front; remanufactured automatic air conditioning controls.
• Fits 2010-2011 GMC Sierra 2500 HD, front; remanufactured automatic air conditioning controls.
• Fits 2010-2011 GMC Sierra 3500 HD, front; remanufactured automatic air conditioning controls.

Detailed Description

The Dorman 599-190 HVAC control module is built for vehicles equipped with automatic temperature control, helping restore command of blower speed, temperature selection, and related climate functions when the original module fails. This replacement is intended for front HVAC locations on 2010-2011 Chevrolet Silverado and GMC Sierra trucks, including Silverado 1500, Silverado 2500, Silverado 2500 HD, Silverado 3500 HD, Sierra, Sierra 1500, Sierra 2500 HD, and Sierra 3500 HD. This part cross-references OE numbers 15-73861 and 15174025 for the same application.

What It Helps Fix

• Climate controls that stop responding
• Automatic temperature control functions that no longer operate correctly
• Intermittent HVAC output from the dash control unit
• Loss of blower, temperature, or mode command from the original module
• Faulty front HVAC control operation in Silverado and Sierra trucks

Installation Notes and Tips

Programming is not required. This module uses a bolt-on mounting style, 4 connectors, and pin-style terminals with a female connector layout. Verify connector count, terminal configuration, and automatic temperature control equipment before installation. No instruction manual is included.

Quality Assurance

Dorman replacement electronics are tested before release to support reliable operation in the specified vehicle applications. Use this module as a direct replacement for the original HVAC control unit on confirmed 2010-2011 Chevrolet Silverado and GMC Sierra fitments.