DTC P0447 Cadillac
EVAP Vent Solenoid Control Circuit Low Input
EVAP Vent Solenoid Control Circuit Low Input
Description
Engine started; engine speed over 400 rpm, system voltage from 8-18v, and the PCM detected 0v on the EVAP vent valve control circuit with the control driver commanded off for over 50 seconds.
Cause and Solution
Vent solenoid connector is damaged or shorted
Vent solenoid control circuit is shorted to ground
Video Guide
Diagnostic Info
- DTC Code: P0447
- Brand: Cadillac