C1131moderate severityChassis
ABS Sensor Open or Short in Circuit
on 1993-2001 Subaru Impreza 2.2L H4 · AWD
What this code means
The ABS module detected an open or short circuit in a wheel speed sensor circuit. This is a wiring or connector related fault affecting the ABS sensor signal.
Symptoms
- ABS warning light on
- Stability and traction control off
- No wheel speed data on one wheel
Common causes
- Open or shorted sensor wiring
- Corroded or loose connector
- Faulty wheel speed sensor
- Damaged harness ground
Diagnostic steps
- Read stored ABS codes
- Perform continuity test on sensor circuit
- Inspect connectors for corrosion
- Replace sensor or repair wiring as needed
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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