Blinking arrow 850

tiela · Post by **tiela** » 08 Mar 2003, 21:48

850 Turbo
1994

arrow is blinking and when the computer is used to check for an error code nothing comes up. The car is running fine. I am driving the mechanic crazy because I keep taking the car back. Any suggestions?

genie · Post by **genie** » 10 Mar 2003, 08:12

If you're checking it through the OBD connector under the coin tray, you may not get any codes because of the reason that not all transmission codes trigger an engine fault.

Try the procedure described below.

http://www.volvospeed.com/CheckEngine.htm

Sometimes the mode selector switch (Win/Econ/Sprt) may trigger some bogus errors for the transmission system. Try clearing them as described in that page and see if it comes back.

Guest · Post by **Guest** » 09 Apr 2003, 17:57

Check the fuse under the hood. The fuse on my 850 somehow works itself loose...twice in three years.

bfm53 · Post by **bfm53** » 09 Jun 2004, 09:18

Just replaced a transmission sensor that was causing the winter mode arrow to blink indicating a transmission problem and also triggering the check engine light. this was recommended by my Volvo mechanic. so far so good.

Post by **matthew1** » 09 Jun 2004, 10:27

Interesting... can you tell us what sensor, and how much it was for the part, and to have it installed?

Guest · Post by **Guest** » 10 Jun 2004, 06:40

Matthew,
The part is is called "PNP Switch". Volvo P/N is 9466012 and it lists for $125.78. My mechanic charged $75 to replace for a total of $200. So far the problem has not re-occurred.
Brian