Chassis
generic / SAE
C050F
Left Rear Wheel Speed Sensor A Circuit High
Left-rear WSS A signal voltage above expected range. Wheel-speed signals feed ABS, ESC, traction control, transmission and odometer — a single dropped signal disables all of these safety functions until repaired.
SystemChassis
Typegeneric / SAE
GroupC0
Range / number5 / 0F
Possible causes
- Signal wire open or short to power high
- Connector pins corroded - high contact resistance low
- Supply wire pinched against B+ source 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: 60–400 €
- Estimated time: 0.5–2 h
- Component: wss lr
- Component: sensor wiring
- MIL / check engine light
- limp mode possible
Sources
References
sae:J2012