C0022moderate severityChassis
RF Wheel Speed Sensor Range/Performance
on 2015 Audi A6 3.0L Supercharged V6 · AWD
What this code means
The right front wheel speed sensor output is outside expected range under current driving conditions.
Symptoms
- ABS warning light on
- Traction control disabled
- ABS false activation during normal braking
Common causes
- Sensor air gap incorrect
- Tone ring damaged or corroded
- Weak sensor magnet
- Excessive wheel bearing play
Diagnostic steps
- Compare all four wheel speed signals at constant speed
- Measure sensor air gap
- Inspect tone ring teeth
- Check wheel bearing end play
- Scope sensor waveform
Repair notes
Adjust air gap or replace sensor. Check tone ring and bearing.
Other Chassis codes on this vehicle
C0021
LF Wheel Speed Sensor Range/Performance
C0021
LF Wheel Speed Sensor Range/Performance
C0023
LR Wheel Speed Sensor Range/Performance
C0023
LR Wheel Speed Sensor Range/Performance
C0024
RR Wheel Speed Sensor Range/Performance
C0024
RR Wheel Speed Sensor Range/Performance
C0025
LF Wheel Speed Sensor Circuit Intermittent
C0025
LF Wheel Speed Sensor Circuit Intermittent
C0026
RF Wheel Speed Sensor Circuit Intermittent
C0026
RF Wheel Speed Sensor Circuit Intermittent