P2447 low

EVAP Emission System Vent Control Circuit Low

Can I Drive?
Yes, But Fix Soon
DIY Difficulty
moderate
Estimated Cost
$80 - $300 (parts and labor)

What does P2447 mean?

The P2447 code means the vehicle's onboard diagnostic system has detected: EVAP Emission System Vent Control Circuit Low. This is a low severity code.

Common Symptoms

  • Check Engine Light on
  • Fuel tank may not vent properly
  • Difficulty refueling
  • Fuel odor from vehicle
  • Failed emissions test

Probable Causes (Ranked by Likelihood)

  • Short to ground in vent solenoid circuit Very High
  • Vent solenoid filter clogged with debris High
  • Wiring damage to vent solenoid Moderate
  • ECM vent solenoid driver fault Low

Step-by-Step Diagnostic Procedure

  1. Test EVAP vent solenoid with scan tool bidirectional control

  2. Inspect vent solenoid filter for debris

  3. Measure vent solenoid resistance

  4. Check wiring and connector at vent solenoid

Frequently Asked Questions

What does P2447 mean?

P2447 indicates: EVAP Emission System Vent Control Circuit Low. The ECM detected an issue that needs diagnosis and repair.

Is P2447 urgent?

EVAP codes should be repaired but are not usually urgent unless you have an upcoming emissions test.

What should I check first?

Start with a visual inspection of the sensor wiring and connector. Use a scan tool to read live data. For DPF codes, check soot loading level. For EVAP codes, check the gas cap first.

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