Fault Code 1629
Fault code 1629ParkAssist sensor 1, outer front left
Diagnostic conditions
- Ignition on
- Selector lever position in transmission range R or N
- ParkAssist control unit internal function test
- Vehicle speed briefly greater than 14 km/h
Possible cause of fault
NOTE: Fault entry due to environmental conditions: this fault can also occur if the sensors are heavily soiled, iced-up or have been painted. In addition, intense sound sources such as pneumatic hammers can cause defects.
- Adverse environmental conditions
- Short or open circuit in wires between control unit and sensor
- Sensor faulty
- ParkAssist control unit faulty
Affected pins
Plug for sensor wiring harness:
- Pin 1 'PDC sensor, battery voltage'
- Pin 2 'PDC sensor, signal'
- Pin 3 'PDC sensor, GND'
Plug B for control unit wiring harness:
- Pin 1 'PDC sensor -, front'
- Pin 2 'PDC sensor +, front'
- Pin 3 'PDC sensor, outer FL'
Diagnosis/troubleshooting
NOTE: If the above environmental conditions can be eliminated as a cause and the fault has the status "present", troubleshooting must be performed.
