DTC P0447: EVAP Circuit, Vent Control Circuit Open: Condition
DTC P0445 is set when EVAP canister vent valve output signal is too low. MIL is illuminated when ECM (PCM) detects malfunction during 2 consecutive drive cycles. Possible causes are:
- EVAP canister vent valve malfunction.
- EVAP canister vent valve circuit malfunction.
- ECM (PCM) malfunction.