Outside temperature reading is fluctuating wildly

Tiny
AJFOSTER
  • MEMBER
  • 2010 GMC ACADIA
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 126,000 MILES
Sometimes 60 degrees or more. I have changed the sensor as well as the connector with no change. What else could be causing this?
Thursday, March 21st, 2019 AT 2:27 PM

7 Replies

Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
Good afternoon,

Where was the location of the sensor you replaced? There are two sensors. One for outside temperature and one for inside temperature.

Roy
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Thursday, March 21st, 2019 AT 4:05 PM
Tiny
AJFOSTER
  • MEMBER
  • 4 POSTS
I replaced the outside sensor and connector.
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Friday, March 22nd, 2019 AT 10:47 AM
Tiny
ASEMASTER6371
  • MECHANIC
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You need the inside sensor. That is the one reading wrong.

Roy
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Friday, March 22nd, 2019 AT 11:24 AM
Tiny
AJFOSTER
  • MEMBER
  • 4 POSTS
So the inside sensor controls the display for the outside temperature? What is the part called specifically? There are three inside climate control parts listed on rock auto.
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Saturday, March 23rd, 2019 AT 7:00 PM
Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
They work together on temperatures.

Cabin air temperature sensor.

Roy
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Saturday, March 23rd, 2019 AT 7:11 PM
Tiny
AJFOSTER
  • MEMBER
  • 4 POSTS
Thank you very much!
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Sunday, March 24th, 2019 AT 12:35 AM
Tiny
ASEMASTER6371
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You are welcome.

Always glad to help.

Roy
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Sunday, March 24th, 2019 AT 1:00 AM

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