P04CA

Fuel Fill Door Open Request Sensor/Switch Circuit Low

Severity

✅ Low

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$22–89 (est.)

Symptoms

Check Engine Light Is On
Problems opening the fuel hatch
Errors in the EVAP system

Causes

Malfunction of the fuel hatch opening request sensor
Open or short circuit in wiring harness
Poor contact in connectors
Problems with the control unit

How to Fix

Check the sensor and its connections
Check the integrity of the wiring harness
Check the voltage in the circuit
If necessary, replace the sensor or repair the wiring harness

Related codes

P0455 P0456 P0457