Fuel Cap Sensor or Switch Circuit Range or Performance
The sensor or switch that detects whether the fuel cap is properly closed reports a value within plausible range yet not matching driver action.
Affected components
- Fuel cap sensor
Common causes
- High likelihood: Contact drifted or dirty
Diagnostic notes
- The malfunction indicator lamp may illuminate
- This code can affect emissions
Sources
Diagnostic information is provided for reference only. Confirm the code with a compatible scan tool and follow the vehicle manufacturer's service procedures before replacing components.