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ambient temp sensor showing whacked values...

Help, Advice, Owners' Discussion and DIY Tutorials on Volvo's stylish, distinctive P2 platform cars sold as model years 2001-2007 (North American market year designations).

2001 - 2007 V70
2001 - 2004 V70 XC (Cross Country)
2004 - 2007 XC70 (Cross Country)
2001 - 2009 S60
2003 - 2007 S60 R
2004 - 2007 V70 R

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carboncow
Posts: 596
Joined: 11 June 2010
Year and Model: 2003 XC70 2018 S60
Location: Central Ohio

ambient temp sensor showing whacked values...

Post by carboncow »

Lent the car to a friend for a week, but I'm sure he didn't do anything wrong!

The ambient temperature LED on the dash says 32F half the time with the little snowflake next to it...then the next day it says the correct outside temp.

Is there a common failure trend with the sensor, computer or wiring I should know about?

or is this something that really has not been seen in much?
Shawn F.

2001 V70 T5
2003 XC70
1996 Vw Passat Tdi
1999 Porsche Boxster
2004 Chevy Suburban LT 5.3L
2013 & 2015 S60 T5
2008 Vw Touareg T2 V6

1989 Sea Ray 340 Sundander
2007 Sea Doo Challenger 180 SE

jblackburn
MVS Moderator
Posts: 14043
Joined: 8 June 2008
Year and Model: 1998 S70 T5
Location: Alexandria, VA
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Post by jblackburn »

You may just need a new sensor - they do go bad after a while.
0811101229.jpg
'98 S70 T5
2016 Chevy Cruze Premier


A learning experience is one of those things that says, "You know that thing you just did? Don't do that."

mercuic: Long live the tractor motor!

FCPEURO
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Joined: 17 June 2009
Year and Model: 2006 XC90 V8
Location: Milford, CT
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Post by FCPEURO »

+1

Either a sensor or a software update. My 04 S60 had this issue and a software update fixed it. Also, my trip computers would reset to 0 every time i hit 663 miles on them. This was also fixed with the software update.

carboncow
Posts: 596
Joined: 11 June 2010
Year and Model: 2003 XC70 2018 S60
Location: Central Ohio

Post by carboncow »

Two questions...

1. Are such software updates that are obvious faults of the design free...or will I wind up paying $120 for an hour diagnostic at the stealer?

2. Where is the sender unit located on this vehicle (2001 V70). I know most are in the front lower intake, but I have not familiarized myself with this car enough since it's has been just running so well!
Shawn F.

2001 V70 T5
2003 XC70
1996 Vw Passat Tdi
1999 Porsche Boxster
2004 Chevy Suburban LT 5.3L
2013 & 2015 S60 T5
2008 Vw Touareg T2 V6

1989 Sea Ray 340 Sundander
2007 Sea Doo Challenger 180 SE

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