I have a 2009 Tahoe LTZ. I have no heat unless I set it to 90 on the HVAC control unit. I've narrowed it to a bad cabin Air Temperature Sensor. Some people refer to it as the aspirator but on gm sites, its called a cabin Air Temperature Sensor.
Anyone know the precise location of this sensor? Headliner driver side? instrument cluster area?
In older tahoe model years, there is a plastic circular grill located on the headliner, driver side that makes the sensor easy to find and its referred to as an aspirator. Threads and videos on those older model year issues (99-06) are fairly easy to find. Not for the 07-14 Tahoes, I see ZERO videos on youtube related to this issue. I should add, no such plastic vent exists on my headliner.
I want to mention - rock auto shows two types. The boxy style and a pin / push pin style. Their push pin version has a detail of "Instrument Panel Air Duct Temperature Sensor; " So naturally, that makes me think its near the instrument panel.
TIA
Anyone know the precise location of this sensor? Headliner driver side? instrument cluster area?
In older tahoe model years, there is a plastic circular grill located on the headliner, driver side that makes the sensor easy to find and its referred to as an aspirator. Threads and videos on those older model year issues (99-06) are fairly easy to find. Not for the 07-14 Tahoes, I see ZERO videos on youtube related to this issue. I should add, no such plastic vent exists on my headliner.
I want to mention - rock auto shows two types. The boxy style and a pin / push pin style. Their push pin version has a detail of "Instrument Panel Air Duct Temperature Sensor; " So naturally, that makes me think its near the instrument panel.
TIA
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