Dorman 599-017 control module for the 2003-2004 Chevrolet Trailblazer 6-cylinder 4.2L and other vehicles replaces the original unit when it malfunctions. This remanufactured Dorman HVAC control module is a fully tested replacement for an original module that has stopped working.
- Function tested to give the same operation as the stock module
- Automatic temperature control
- 36 male pin terminals
- Bolt-on mounting
Quick facts
- Part: Dorman 599-017 control module
- Also called: HVAC control module
- Fits: 2003-2004 Chevrolet Trailblazer 6-cylinder 4.2L and other vehicles
- Position: Front, rear
- Condition: Remanufactured
Climate controls that don't respond, or settings that won't change, can point to a failing module. Before you replace this one, rule out a blown fuse, a loose connector and damaged wiring, since each can leave the controls unresponsive.
Fits
This module is a direct replacement that matches the appearance and function of the original unit on specific vehicles. Fitment includes the 2003-2004 Chevrolet Trailblazer 6-cylinder 4.2L, the 2003-2004 Chevrolet Trailblazer EXT 6-cylinder 4.2L or V8 5.3L and the 2003-2004 GMC Envoy XL 6-cylinder 4.2L or V8 5.3L, and each takes one module. This listing is one module.
Specifications
Fit and size
- Position: Front, rear
- Quantity per vehicle: 1
- Pin count: 36
- Terminal type: male pin
Build and materials
- Condition: Remanufactured
- Mounting type: bolt on
- Automatic temperature control: yes
- Programming required: yes
- Country of origin: United States
In the box
One control module. Mounting hardware and an instruction manual are not included.
Installation notes
- Programming is required.
- Advanced vehicle knowledge is not required for proper installation.
Interchange: 15-72867 · 15-73064
15132070 · 15165918 · 15195331 · 15202099 · 21999159
Product information is for general reference and may contain errors. See our Disclaimer.
This part cross-references / interchanges with the following part numbers:
15-72867, 15-73064, 15132070, 15165918, 15195331, 15202099, 21999159
Frequently Asked Questions
Is this the right Trailblazer HVAC control module for a 2003-2004 Chevrolet Trailblazer 6-cylinder 4.2L?
Yes. Dorman 599-017 fits the 2003-2004 Chevrolet Trailblazer 6-cylinder 4.2L and other vehicles. If your car is a different one, look it up in the "Vehicles it fits" section on this page.
Does the Dorman 599-017 come with mounting hardware or an instruction manual?
No. The Dorman 599-017 package holds one control module; mounting hardware and an instruction manual are not included.
How many pins does this control module have?
This control module has 36 pin terminals, and the terminals are male pins.
Does this remanufactured control module need programming?
Yes, programming is required for this module. Advanced vehicle knowledge is not required for proper installation.
Could climate controls that stop responding mean this control module has failed?
They can, if the module is the cause. Controls that don't respond or settings that won't change can be signs of a failing module, and a shop can test it.
