Fault Code 4206

Fault Code 4206

Speed sensor, front left
Implausible signal from speed sensor

Diagnostic conditions
- Vehicle speed [>] 40 km/h (25 mph) for min. 40 s.

Possible cause of fault
- Toothed ring/speed sensor soiled or damaged, wheel-bearing play too great
- Pick-up due to faulty shield
- Speed sensor faulty
- ABS control unit faulty

Diagnosis/troubleshooting