Hi Scotty,
Are there any transmission related codes stores in the ecu? It could possibly be a failing shift solenoid also.
@jfellon
There are no codes, and like I say once it warms up its fine and drives perfectly. One thing I am thinking is maybe the bands need adjustment but then I would think it would slip more often or in other gears.
Also if its cold and I shift it into D1 it still acts like its slipping and then I get a check gearbox phantom code, as soon as I try to read it, it will dissapear and the code reader wont find anything
Get a new car! SAAB is not the most reliable car manufacturer, aside from being an obsolete car company. Your lucky you got over 200k out of it.
@th3kr1s
They made decent cars but they do need the scheduled maintenance, some of the electronics are showing their age. Saab did win some endurance records at talladega with these models though
Saabs are high maintenance cars but can be run to very high mileage when properly maintained. I've run several over 300,000 miles with excellent reliability. The ones I'm familiar with are pre-GM models however. A 1997 900 is based on an Opel/Vauxhall platform and has a lot of GM cost-cutting applied. I'm not sure what automatic trans is used since I've never owned or worked on that model. The same year 9000 uses a ZF 4HP18 transmission that is an old-school non-electronic transmission controlled via hydraulics only. Chances are though you have a 4-speed electronic-controlled Aisin-Warner like the early 9-5s, basically a Toyota transmission. To read anything but generic OBDII codes you'd need a GM Tech2 or equivalent diagnostic tool.
You might want to ask on a Saab-specific board, here are a couple you can try:
https://www.saabnet.com/tsn/bb/NG900/
https://www.saabcentral.com/forums/ng900-og9-3-workshop.15/
