PSM 5.3 and 5.7

Fault code 4205

Speed sensor lead, front left

Diagnostic conditions
- Ignition on

Possible cause of fault
- Short circuit to B+ / ground or open circuit between control unit and speed sensor
- Speed sensor faulty
- Control unit faulty

Affected pins
PSM 5.3: Pin 8 and pin 10
PSM 5.7: Pin 12 and pin 28 in 911 Carrera 4
PSM 5.7: Pin 12 and pin 13 in 911 Carrera 2

Diagnosis/troubleshooting PSM 5.3









Diagnosis/troubleshooting PSM 5.7 in 911 Carrera 4









Diagnosis/troubleshooting PSM 5.7 in 911 Carrera 2