Evaporative Emission Control System Vent Control Circuit Malfunction
Plain-English meaning
The vehicle's onboard computer has detected a problem with the vent control circuit in the evaporative emission control system (EVAP). This system prevents fuel vapors from escaping into the atmosphere.
What to check first
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What not to replace yet
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Stop driving when
It is generally safe to continue driving, but have the vehicle inspected and repaired promptly to avoid emissions failures and potential fuel vapor leaks.
Related symptoms
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Owner steps
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Likely causes
Faulty vent control valve or solenoid (medium)
Wiring issues such as damaged wires or poor connections in the vent control circuit (medium)
Defective EVAP canister vent valve (medium)
Clogged or stuck vent valve (medium)
Problems with the EVAP system's control module (medium)
Failed or leaking EVAP canister (medium)
Shop steps
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Follow-up questions
Have you noticed any fuel odors around the vehicle?
Has the Check Engine Light been on continuously or intermittently?
Have you recently refueled or had any work done on the fuel system?
Are there any other diagnostic trouble codes present?