P0449 Evaporative Emission Control System Vent Valve/Solenoid Circuit

Powertrain Severity: Low Generic OBD-II

Electrical fault in the vent solenoid circuit.

Common causes

  • Faulty vent solenoid
  • Corroded connector near the tank

Symptoms

  • Check engine light

What to check

  1. Inspect connector
  2. Measure solenoid resistance

Manufacturers may add their own detail to generic codes. If your vehicle shows a different description for P0449, follow the service information for that make and model.

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