C0057high severityChassis
ABS Rear Inlet Valve Solenoid Circuit
on 2014 Audi A6 3.0L Supercharged V6 · AWD
What this code means
Malfunction in the rear ABS inlet valve solenoid circuit.
Symptoms
- ABS light on
- Rear ABS not functioning
- Rear wheel lockup during hard braking
Common causes
- Rear inlet valve solenoid failure
- ABS module fault
- Wiring issue
- Contaminated brake fluid
Diagnostic steps
- Test rear solenoid resistance
- Command rear valve with scan tool
- Inspect brake fluid
- Check module connector
Repair notes
Replace ABS modulator if valve solenoid has failed internally.
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