P0446 OBD Trouble Code

3 results found

P0446 - Generic
Type Powertrain - Auxiliary Emission Controls - ISO/SAE Controlled
Description

Evaporative Emission System Vent Control Circuit
P0446 - Ford
Type Powertrain - Auxiliary Emission Controls - ISO/SAE Controlled
Description

EVAP System Canister Vent Solenoid Fault Conditions
Cause

Engine running, then the PCM detected a fault in the solenoid circuit with the canister vent solenoid energized or de-energized
P0446 - GM
Type Powertrain - Auxiliary Emission Controls - ISO/SAE Controlled
Description

EVAP Purge Vent Valve Circuit Conditions
Cause

Engine speed over 40 rpm, system voltage from 7.5-15v, then the PCM detected a short to ground, an open circuit or a short to power in the Purge control circuit during the test period.

Try also: https://www.obd-codes.com/p0446