Rearview thermometer

Tiny
BRMARKWELL
  • MEMBER
  • 2002 GMC C1500
  • V8
  • 4WD
  • AUTOMATIC
  • 60,160 MILES
Thermometer in my rear view does not work, it reads "OC"
whats the problem? 2002 gmc sierra
Friday, July 22nd, 2011 AT 11:25 PM

2 Replies

Tiny
FACTORYJACK
  • MECHANIC
  • 4,159 POSTS
Open circuit, perhaps. The temp sensor for the outside temp should be behind the grille. See if it is disconnected, or replace the sensor. I am not certain, but does the mirror have a compass as well? Does the compass work? The 'OC' could have something to do with compass calibration. When did the error code appear?
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Saturday, July 23rd, 2011 AT 3:23 AM
Tiny
BRMARKWELL
  • MEMBER
  • 2 POSTS
Yes the compass works, this has been happening for quite awhile. The display would read crazy symbols and it would display temps way off, now just OC. I will check for that sensor, thanks
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Saturday, July 23rd, 2011 AT 2:36 PM

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