P0446 OBD Trouble Code

1 result found

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