DTC C1390: Wheel Sensor - Wrong Number of Teeth: Conditions
WARNING: This page is about a different car, the 2001 Saab 9-3. However, it is still accessible from the selected car via links, so may be relevant.
The respective wheel speed value is compared with a reference value (=the filtered mean value of all wheel speeds).
- One wheel speed 25% higher than the reference speed for 20 seconds.
- Two wheel speeds 6% higher than the reference speed for 80 seconds.
- One wheel speed <6% lower than the reference speed for 20 seconds, or two wheel speeds for 10 seconds.
- Continuous ABS modulation for more than 60 seconds.