C0035moderate severityChassis
Left Front Wheel Speed Sensor Circuit
on 2015 Audi A6 3.0L Supercharged V6 · AWD
What this code means
Malfunction in the left front ABS wheel speed sensor.
Symptoms
- ABS light on
- Traction control light on
- Stability control light on
- ABS not functioning
Common causes
- Faulty wheel speed sensor
- Damaged tone ring
- Wiring damage
- Sensor gap contamination (metallic debris)
- Wheel bearing failure
Diagnostic steps
- Inspect sensor and tone ring
- Test sensor resistance
- Check air gap
- Inspect wiring
- Scope sensor signal
- Check wheel bearing for play
Repair notes
Replace wheel speed sensor. Clean tone ring. Check wheel bearing.
Other Chassis codes on this vehicle
C0021
LF Wheel Speed Sensor Range/Performance
C0021
LF Wheel Speed Sensor Range/Performance
C0022
RF Wheel Speed Sensor Range/Performance
C0022
RF 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