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Anyone know how to reset outside temperature sensor?

(2007 Chevrolet Trailblazer)
in Circleville, OH on February 26, 2013
It stuck on 20* when it's 50* outside, any help would be appreciated.This problem started yesterday.Auto Temp control 4.2 L.

Thank You
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Popular Answer
on February 26, 2013
Got owners manual? Is it set to the right scale? ----- Well i checked 20°C = 68°F so that ain it.
Does it change at all? No big deal to some but i like my stuff to work too! It has a sensor prob. behind the grill
that can be changed if needed. Check manual, or try unhooking neg batt. cable for a min. That's all I know.
Never had a problem with one. Might be able to scan test body control module to read data. Compass working?
Post results when fixed.
of Greg's Orange Auto on February 26, 2013
AGREE WITH WETRY POSS C TEMPS INSTEAD OF F TEMPS
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