Fault Code 4211

Fault Code 4211

Speed sensor, rear right
Incorrect signal from speed sensor

Diagnostic conditions
- Vehicle speed > 40 km/h for at least 40 s

Possible cause of fault
- Pulse 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 30 and pin 31

Diagnosis/troubleshooting

Part 1:

Part 2: