C1111high severityChassis
Valve Relay Circuit Fault
on 2020 Subaru Legacy 2.5L H4 · AWD
What this code means
The valve relay control circuit is open, shorted, or out of range. The module cannot properly control the relay.
Symptoms
- ABS warning light on
- ABS disabled
- No valve power
Common causes
- Open or shorted relay circuit
- Corroded connectors
- Failed valve relay
- Faulty ABS module driver
Diagnostic steps
- Inspect relay control circuit
- Check for open or short to ground
- Test relay operation
- Repair wiring or replace relay
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C0021
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C0026
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RR Wheel Speed Sensor Circuit Intermittent
C0035
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C0036
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