HomeHVAC > Control ModulesDorman 599-029 HVAC Control Module - Front or Rear
Part #: 599-029

Dorman 599-029 HVAC Control Module - Front or Rear

Front and Rear
⚙️ 10 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Chevrolet, GMC, and Oldsmobile, Bravada, Envoy, Envoy XL, Trailblazer, and Trailblazer EXT
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Overview of Dorman HVAC Control Module 599-029

The Dorman HVAC Control Module 599-029 is designed for reliable climate control operation in select Chevrolet, GMC, and Oldsmobile vehicles. This bolt-on module requires no programming, making it a straightforward replacement for HVAC control issues in models like the Chevrolet Trailblazer and GMC Envoy.

  • No programming required for easy installation
  • 16 male terminals with 26 pins for secure electrical connections
  • Female connector gender with pin-type terminals
  • Black housing with bolt-on mounting type
  • Compatible with Chevrolet Bravada, GMC Envoy, Envoy XL, Trailblazer, and Trailblazer EXT

Technical Details and Features

The Dorman 599-029 HVAC Control Module features a black housing designed for durability and a bolt-on mounting type that ensures a secure fit within the vehicle’s HVAC system. It includes 16 male terminals and a female connector with pin-type terminals, providing reliable electrical connectivity. This module does not require programming, which simplifies replacement and reduces installation time. Note that this module does not support automatic temperature control functions.

Compatible Vehicles and Applications

This HVAC control module is compatible with a range of GM vehicles, specifically Chevrolet Bravada, GMC Envoy, Envoy XL, Trailblazer, and Trailblazer EXT models. It is intended for use in HVAC systems where the original control module has failed or is malfunctioning, restoring proper climate control functionality.

  • Resolves HVAC control module failure
  • Fixes unresponsive climate control buttons
  • Addresses inconsistent blower motor operation
  • Corrects issues with temperature regulation
  • Eliminates intermittent HVAC system faults

Installation Notes and Tips

Installation of the Dorman 599-029 HVAC Control Module is straightforward due to its bolt-on mounting design and no programming requirement. Ensure the vehicle’s battery is disconnected before beginning installation to prevent electrical shorts. Verify terminal connections match the original module’s pin configuration to avoid wiring errors. Since mounting hardware is not included, retain original fasteners or source appropriate bolts for secure installation.

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM standards for fit and function. While specific warranty details for part number 599-029 are not provided here, Dorman typically offers limited warranties covering defects in materials and workmanship. Refer to Dorman’s official documentation for exact warranty terms.

BrandDorman
Part Number599-029
Programming RequiredNo
Instruction Manual IncludedNo
Terminal TypePin
Mounting Hardware IncludedNo
Terminal Quantity16
Connector GenderFemale
Terminal GenderMale
Housing ColorBlack
Mounting TypeBolt on
Automatic Temperature ControlNo
Package Contents1 hvac control module
Pin Count26

This part fits 10 vehicles. Search below:

YearMakeModelPositionNotes
2002ChevroletTrailblazerFrontRemanufactured; w/Manual Air Conditioning Controls; wo/Rear Window Defogger; Remanufactured
2002ChevroletTrailblazerRearRemanufactured; w/Manual Air Conditioning Controls; wo/Rear Window Defogger; Remanufactured
2002ChevroletTrailblazer EXTFrontRemanufactured; w/Manual Air Conditioning Controls; wo/Rear Window Defogger; Remanufactured
2002ChevroletTrailblazer EXTRearRemanufactured; w/Manual Air Conditioning Controls; wo/Rear Window Defogger; Remanufactured
2002GMCEnvoyFrontRemanufactured; w/Manual Air Conditioning Controls; wo/Rear Window Defogger; Remanufactured
2002GMCEnvoyRearRemanufactured; w/Manual Air Conditioning Controls; wo/Rear Window Defogger; Remanufactured
2002GMCEnvoy XLFrontRemanufactured; w/Manual Air Conditioning Controls; wo/Rear Window Defogger; Remanufactured
2002GMCEnvoy XLRearRemanufactured; w/Manual Air Conditioning Controls; wo/Rear Window Defogger; Remanufactured
2002OldsmobileBravadaFrontRemanufactured; w/Manual Air Conditioning Controls; wo/Rear Window Defogger; Remanufactured
2002OldsmobileBravadaRearRemanufactured; w/Manual Air Conditioning Controls; wo/Rear Window Defogger; Remanufactured

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

15-7274015076096

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.