DTC P0447: EVAP System Vent Control - Vent Control Circuit Open: Condition

DTC sets when EVAP Canister Vent Valve (EVAP-CVV) output voltage is low while Engine Control Module (ECM) commands EVAP-CVV to open. MIL is illuminated when ECM detects malfunction during 2 consecutive drive cycles. Possible causes are:

• ECM malfunction.
• EVAP-CVV malfunction.
• EVAP-CVV circuit malfunction.