C1181high severityChassis
Abnormal VDC Operation
on 2020 Subaru Legacy 2.5L H4 · AWD
What this code means
The Vehicle Dynamics Control system detected a fault in its own operation. No direct OBD P-code equivalent exists for this manufacturer-specific code.
Symptoms
- VDC warning light on
- Stability control disabled
- ABS light may illuminate
Common causes
- Faulty VDC control module
- Wheel speed sensor fault
- Wiring or connector issue
- Related sensor input error
Diagnostic steps
- Scan for stored VDC/ABS codes
- Check wheel speed sensor signals
- Inspect VDC module wiring
- Test VDC control module operation
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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