C0046moderate severityChassis
Left Rear Wheel Speed Signal Erratic
on 2021 Audi A6 2.0L Turbo I4 · AWD
What this code means
Erratic signal from left rear sensor.
Symptoms
- ABS light on
- Unexpected ABS activation
Common causes
- Tone ring crack
- Debris
- Bearing wear
Diagnostic steps
- Scope signal
- Inspect tone ring
- Check bearing
Repair notes
Replace sensor or 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