Chassis
generic / SAE
C0237
Loss of Speed Sensor Signal Front Left
The ABS control module has lost the wheel speed signal from the front left wheel during driving. ABS and stability control are disabled because wheel-individual speed information is required for slip detection.
SystemChassis
Typegeneric / SAE
GroupC0
Range / number2 / 37
Possible causes
- Wheel speed sensor failed high
- Wiring break at wheel arch medium
- Tone ring damaged 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: 80–400 €
- Estimated time: 0.5–2.5 h
- Component: wheel speed sensor
- Component: tone ring
- Component: abs control module
- Component: sensor wiring
Sources
References
sae:J2012