When the car is cold and I get in put it in D-Drive it will not shift gears. If i pull it to 3 then back to D it will do fine for the rest of the drive. Aslong as the car does not cool down it will work fine but when it is cold such as in the morning when leaving for work or when I come out of work it will not shift. Anyone else having this problem.

 

Since your 850 is of '94, you can diagnose the transmission control computer (ECU-ECM-TCM) by yourself; no tools or instruments are needed.

http://volvospeed.com/Repair/a1.html

And see attached for the location of the diagnostic terminal. Pull codes and let us know what codes you get. Also, double-check on the fluid level.


JPN

[IMG]local://upfiles/6892/EAFE40014537464B85DAB790EBD03ECE.jpg[/IMG]

 

Thanks for your help I ended up taking it to the shop It was the pnp switch in the transmission. Replaced it and it is like new!!

 

Well done.


JPN