# 2004 Isuzu Ascender - Dash vents

**URL:** <https://community.cartalk.com/t/2004-isuzu-ascender-dash-vents/165913>\
**Category:** Maintenance/Repairs\
**Tags:** isuzu\
**Created:** [June 17, 2020, 4:20pm UTC](https://community.cartalk.com/t/2004-isuzu-ascender-dash-vents/165913 "2020-06-17T16:20:06Z")\
**Posts on this page:** 4\
**Page:** 1

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**Author:** ![oscarmunoz](https://avatars.discourse-cdn.com/v4/letter/o/6de8d8/32.png) [@oscarmunoz](https://community.cartalk.com/u/oscarmunoz)\
**Post date:** [June 17, 2020, 4:20pm UTC](https://community.cartalk.com/t/2004-isuzu-ascender-dash-vents/165913/1 "2020-06-17T16:20:07Z")

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AC\_heater/dash\_boards\_vents\_do\_not\_work

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**Author:** ![davepsinbox\_157004](https://avatars.discourse-cdn.com/v4/letter/d/73ab20/32.png) [@davepsinbox\_157004](https://community.cartalk.com/u/davepsinbox_157004)\
**Post date:** [June 17, 2020, 5:25pm UTC](https://community.cartalk.com/t/2004-isuzu-ascender-dash-vents/165913/2 "2020-06-17T17:25:51Z")

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Are you saying there’s no air blowing? That’s a problem with the fan or switch. Start by checking the fuse since it’s the simplest.

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**Author:** ![vipergg](https://avatars.discourse-cdn.com/v4/letter/v/50afbb/32.png) [@vipergg](https://community.cartalk.com/u/vipergg)\
**Post date:** [June 18, 2020, 1:07am UTC](https://community.cartalk.com/t/2004-isuzu-ascender-dash-vents/165913/3 "2020-06-18T01:07:29Z")

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Tralblazers, Envoys, Ascenders all had some issues with mode actuator motors breaking in the dash . If you can hear the fan blowing then this is a likely culprit .

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**Author:** ![Tester](https://sea1.discourse-cdn.com/cartalk/user_avatar/community.cartalk.com/tester/32/15976_2.png) [@Tester](https://community.cartalk.com/u/Tester)\
**Post date:** [June 18, 2020, 1:13am UTC](https://community.cartalk.com/t/2004-isuzu-ascender-dash-vents/165913/4 "2020-06-18T01:13:25Z")

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Say hello to the HVAC control module.

 ![image](https://global.discourse-cdn.com/cartalk/original/3X/a/f/af5e2bd8c9f97fa0413d695e5eb3d23bfcd266bf.jpeg)

This little computer controls all the functions of the HVAC systems in your vehicle.

Tester