Work Instruction 5 - 10
Fault Code 4206
Fault Code 4206
Speed Sensor, Front Left
Incorrect signal from speed sensor
Diagnostic conditions
- Vehicle speed > 40 km/h for at least 40 s
Possible cause of fault
- Toothed ring/speed sensor soiled or damaged, wheel-bearing play too large
- Interference due to faulty screening
- Speed sensor faulty
- Control unit faulty
Affected pins
Pin 12 and pin 28
Diagnosis/troubleshooting