Error Code 12225
WARNING: This page is about a different car, the 1990 Saab 9000 and 1990 Saab 900. However, it is still accessible from the selected car via links, so may be relevant.
- The check engine light is on. Oxygen sensor output is incorrect. Sensor pre-heater circuit may be open. Engine temperature must be above 158°F.
- Check oxygen sensor output voltage (voltage fluctuating between 0 and 1.0 volt). Check oxygen sensor pre-heater circuit and fuse.