Chassis
generic / SAE
C050B
Right Front Wheel Speed Sensor A Correlation
Right-front WSS A reading does not correlate with the other wheel speed sensors during straight-line driving. 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 / 0B
Possible causes
- Sensor or tone ring drifted high
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: 80–400 €
- Estimated time: 0.5–3 h
- Component: wss rf
- MIL / check engine light
- drive cycle required
- limp mode possible
Sources
References
sae:J2012