Chassis
generic / SAE
C0031
Left Front Wheel Speed Sensor Circuit Low
Voltage on the left front wheel speed sensor circuit is below the expected range. The fault is typically caused by a short to ground or an open in the supply line.
SystemChassis
Typegeneric / SAE
GroupC0
Range / number– / 31
Possible causes
- Sensor wiring shorted to ground high
- Sensor coil open internally medium
- Connector pins corroded - high contact resistance low
Symptoms
- ABS warning light on
- ESC/stability control deactivated
- Possible reduced brake assist
- Speedometer may behave erratically
Inspection / repair
- Difficulty: medium
- DIY: possible
- Estimated cost: 80–350 €
- Estimated time: 0.5–2 h
- Component: wheel speed sensor fl
- Component: sensor wiring
- Component: abs control module
Sources
References
sae:J2012