Fault Code 0403

Fault code 0403

Motor (adjustment roof segment A and B)

Diagnostic conditions
- Ignition on
- Panorama roof system (PDS) control unit, internal function test

Possible cause of fault
- Wiring/engine contacts (adjustment roof segment A and B) faulty
- Motor (adjustment roof segment A and B) faulty
- Panorama roof system (PDS) control unit faulty

Affected pins
Panorama roof system (PDS) control unit plug B 'cover 1+2':
Pin 2 'motor A'
Pin 4 'motor B'

Diagnosis/troubleshooting

NOTE: After the battery voltage has been interrupted, or repair or replacement of components of the Panorama roof system, the limit positions must be relearned for the Panorama roof system control unit.