Dorman 599-019 HVAC Control Module - Front or Rear
OE Quality 60-Day Returns
Dorman

Dorman 599-019 HVAC Control Module - Front or Rear

Brand Dorman 599-019
Position Front
Automatic Temperature Control Yes
Connector Gender Female
Housing Color Black
Instruction Manual Included No
Mounting Hardware Included No
Mounting Type Bolt On
Package Contents 1 HVAC Control Module
Pin Count 16
Programming Required No
Terminal Gender Male
Terminal Quantity 36
Terminal Type Pin
Fits Chevrolet, GMC, and Oldsmobile · 10 vehicles

Direct replacement. Seamlessly restores HVAC control operation with a fully tested module.

Bolt-on installation. No programming required for a straightforward swap.

Automatic temperature control. Supports precise climate control functionality.

Cross-references 15-72778 and 15077479 for the same application. See all 2.

$534.46Free shipping
In stock · usually ships same day before 1pm CST
Step 1 — Confirm fitment
Free return shipping if it doesn't fit when you check fitment here first.

Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
Step 2 — Quantity
Order total $534.46
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.
Not what you need? See all HVAC Control Module options

Dorman 599-019 HVAC Control Module

Restore 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 is built for direct bolt-on installation in supported applications.

Compatible with 2002 Chevrolet Trailblazer, 2002 Chevrolet Trailblazer EXT, 2002 GMC Envoy, 2002 GMC Envoy XL, and 2002 Oldsmobile Bravada in front or rear automatic air conditioning control positions.

  • Automatic temperature control application
  • No programming required
  • Female connector with male terminals
  • Black housing with bolt-on mounting type
  • 36 terminal positions and 16-pin configuration
  • Package contents: 1 HVAC control module

Detailed Product Information

Dorman 599-019 is an HVAC control module replacement for vehicles equipped with automatic temperature control. It is intended to replace a malfunctioning original module and restore normal climate control functions in supported 2002 Chevrolet Trailblazer, Trailblazer EXT, GMC Envoy, GMC Envoy XL, and Oldsmobile Bravada applications. This part cross-references OE-style numbers 15-72778 and 15077479 for the same application.

The module uses a female connector, male terminals, and a bolt-on mounting design. Because programming is not required, installation is straightforward when the vehicle’s connector, terminal layout, and mounting points match the original unit. The Dorman 599-019 part number is a direct reference for shoppers searching for a replacement HVAC control module for 2002 Trailblazer and Envoy automatic climate control systems.

Common Problems This Part Can Address

  • Climate controls that no longer respond
  • Automatic temperature control functions that stop operating correctly
  • Loss of blower, mode, or temperature command input through the control head
  • Intermittent HVAC operation caused by a failed original module
  • Need for a replacement HVAC control module after electrical failure

Installation Notes and Tips

Verify connector style, terminal count, and mounting layout against the original module before installation. This unit mounts with a bolt-on design and does not require programming, but the vehicle must be equipped with automatic temperature control. Confirm whether your application uses the front or rear HVAC control position listed for your vehicle before ordering.

Quality Assurance

This Dorman replacement module is fully tested before release to help ensure proper operation in the listed applications. For buyers comparing HVAC control module options, Dorman 599-019 provides a direct replacement path for supported 2002 Chevrolet Trailblazer, GMC Envoy, and Oldsmobile Bravada automatic climate control systems.

Related reading

This part fits 10 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelPositionNotes
2002ChevroletTrailblazerFrontRemanufactured automatic air conditioning controls
2002ChevroletTrailblazerRearRemanufactured automatic air conditioning controls
2002ChevroletTrailblazer EXTFrontRemanufactured automatic air conditioning controls
2002ChevroletTrailblazer EXTRearRemanufactured automatic air conditioning controls
2002GMCEnvoyFrontRemanufactured automatic air conditioning controls
2002GMCEnvoyRearRemanufactured automatic air conditioning controls
2002GMCEnvoy XLFrontRemanufactured automatic air conditioning controls
2002GMCEnvoy XLRearRemanufactured automatic air conditioning controls
2002OldsmobileBravadaFrontRemanufactured automatic air conditioning controls
2002OldsmobileBravadaRearRemanufactured automatic air conditioning controls
Directly replaces or cross-references 2 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
15-7277815077479