Ambient Temp reading acting up

[5.0KDM]

So like the title says my ambient temp reading was ranging from 9 to 91 degrees today. It was cold today like high teens. Can any1 help me out with these questions.
1. Is my sensor fried?
2. Where is the sensor.
3. Will this effect my climate controls inside? It felt like it was blowing cold air when the temp reading went up.

 

[joegr]

1. It could be the sensor, the module that reads the sensor, or the wiring in between the two.
2. The 2018 G80 service manual shows the ambient temperature sensor as being inside the driver's side view mirror. As such, it doesn't look like it is separately replaceable.
3. I would expect that it would cause confusion with the automatic climate controls.

 

[5.0KDM]

Thank you for the quick reply. I'm really hoping it was a hiccup. It started to act up after a car wash

 

[Suburbazine]

Thank you for the quick reply. I'm really hoping it was a hiccup. It started to act up after a car wash

The most likely cause is the harness inside the mirror hinge is beginning to fray and got wet. The sensor is part of the mirror housing and is replaced as a complete unit with the mirror.

 

[5.0KDM]

so bc of the snow I didn't go to work the other day. I got in the car today and the temp reading was spot on and didn't fluctuate. ill keep a eye on it for the next couple of days,.

 

[5.0KDM]

quick update. It started to act up again. I had the defrosters on but when i adjusted the heat to blow out the vents it dropped closer to the actual temp. Is there a sensor near the window that might be affected by this? Has anyone else noticed this before?

 

[joegr]

Did you have the rear defroster on too? That would turn on the defrosters in the mirrors.

 

[5.0KDM]

Did you have the rear defroster on too? That would turn on the defrosters in the mirrors.

I did when the car was warming up, but the rear defroster was off when it started acting up.

 

[5.0KDM]

So it shot up to 130 today on my way outta work. I really dont care but its annoying having luke warm air being blowing at you then when the gauge drops to 50 having the sun blown in your face. Can I maybe get to the wires some how? Even with all the auto temp stuff off (auto defrost etc) it still does it.

 

[joegr]

This thread gives some detail on taking the mirror apart.

How to: Genesis sedan Power mirror gear replacement

So I had to change out my mirror gear and figured I would do a write up on it since it seems to be a fairly common issue as these cars age. This is for those experiencing the clicking when trying to fold/unfold power mirrors. I tried my best to get as many pictures as possible, admittedly I did...

genesisowners.com

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