Fault Code 4211

Fault Code 4211

Speed sensor, rear right
Incorrect signal from speed sensor

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

Possible cause of fault
- Pulse 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
PSM 5.3: Pin 11 and pin 12
PSM 5.7: Pin 30 and pin 31

Diagnosis/troubleshooting PSM 5.3

Part 1:

Part 2:

Diagnosis/troubleshooting PSM 5.7