Code result
P0447
Evaporative Emission Control System Vent Control Circuit Open
Moderate severity
What it means
The ECU detected an open circuit on the EVAP vent valve control. The vent valve is needed to seal the system for leak diagnostics; with the circuit open the leak test cannot complete.
Is it safe to drive?
Use caution
The vehicle is usually drivable for short distances, but the problem can worsen or affect emissions. Diagnose and repair as soon as practical.
Most likely causes
Vent valve circuit open
highOne of the most commonly reported causes for this code — check this first.
Wiring or connector fault
mediumA plausible cause — test and verify before replacing parts.
Pin pushed back out of connector body
lowLess common, but worth ruling out after the more likely causes.
Related help
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