P0447
P0447
96 EVAP canister shutoff valve (output stage) - open circuit
Diagnosis conditions
- Engine running
- Battery voltage greater than 7 V
- Fuel tank ventilation active
Possible fault cause
- Wiring harness
- Shutoff valve faulty
- DME control module faulty
NOTE: Fuel tank ventilation can be activated with the Porsche System Tester 2 in the 'Short test' menu.
Affected terminals
Terminal IV/30
Diagnosis/troubleshooting
Part 1:
Part 2:
NOTE: The wire is routed via connector X 2/5, Pin 6.