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Fault Code 4206



Fault Code 4206

Speed sensor, front left
Incorrect 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
- Control unit faulty

Affected pins
Pin 12 and pin 28

Diagnosis/troubleshooting


Diagnosis/troubleshooting (Part 1):




Diagnosis/troubleshooting (Part 2):