C0057
ChassisAbs Tractionhigh severityABS Rear Inlet Valve Solenoid Circuit
What C0057 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
Where to start: Replace ABS modulator if valve solenoid has failed internally.
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