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Dorman 599-029 HVAC Control Module - Front or Rear
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.
| Brand | Dorman |
| Part Number | 599-029 |
| Programming Required | No |
| Instruction Manual Included | No |
| Terminal Type | Pin |
| Mounting Hardware Included | No |
| Terminal Quantity | 16 |
| Connector Gender | Female |
| Terminal Gender | Male |
| Housing Color | Black |
| Mounting Type | Bolt on |
| Automatic Temperature Control | No |
| Package Contents | 1 hvac control module |
| Pin Count | 26 |
This part fits 10 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2002 | Chevrolet | Trailblazer | Front | Remanufactured; w/Manual Air Conditioning Controls; wo/Rear Window Defogger; Remanufactured |
| 2002 | Chevrolet | Trailblazer | Rear | Remanufactured; w/Manual Air Conditioning Controls; wo/Rear Window Defogger; Remanufactured |
| 2002 | Chevrolet | Trailblazer EXT | Front | Remanufactured; w/Manual Air Conditioning Controls; wo/Rear Window Defogger; Remanufactured |
| 2002 | Chevrolet | Trailblazer EXT | Rear | Remanufactured; w/Manual Air Conditioning Controls; wo/Rear Window Defogger; Remanufactured |
| 2002 | GMC | Envoy | Front | Remanufactured; w/Manual Air Conditioning Controls; wo/Rear Window Defogger; Remanufactured |
| 2002 | GMC | Envoy | Rear | Remanufactured; w/Manual Air Conditioning Controls; wo/Rear Window Defogger; Remanufactured |
| 2002 | GMC | Envoy XL | Front | Remanufactured; w/Manual Air Conditioning Controls; wo/Rear Window Defogger; Remanufactured |
| 2002 | GMC | Envoy XL | Rear | Remanufactured; w/Manual Air Conditioning Controls; wo/Rear Window Defogger; Remanufactured |
| 2002 | Oldsmobile | Bravada | Front | Remanufactured; w/Manual Air Conditioning Controls; wo/Rear Window Defogger; Remanufactured |
| 2002 | Oldsmobile | Bravada | Rear | Remanufactured; 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:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.