C0041moderate severityChassis
Right Front Wheel Speed Signal Erratic
on 2009 Audi A8 4.2L V8 · AWD
What this code means
Erratic signal from right front wheel speed sensor.
Symptoms
- ABS activating unexpectedly
- ABS light on
Common causes
- Cracked tone ring
- Debris
- Worn bearing
Diagnostic steps
- Scope signal
- Inspect tone ring
- Check bearing
Repair notes
Clean or replace sensor/tone ring.
Other Chassis codes on this vehicle
C0021
LF Wheel Speed Sensor Range/Performance
C0022
RF Wheel Speed Sensor Range/Performance
C0023
LR Wheel Speed Sensor Range/Performance
C0024
RR Wheel Speed Sensor Range/Performance
C0025
LF Wheel Speed Sensor Circuit Intermittent
C0026
RF Wheel Speed Sensor Circuit Intermittent
C0027
LR Wheel Speed Sensor Circuit Intermittent
C0028
RR Wheel Speed Sensor Circuit Intermittent
C0035
Left Front Wheel Speed Sensor Circuit
C0036
Left Front Wheel Speed Signal Erratic