P04BA

Fuel Fill Door Position Sensor/Switch Circuit High

Severity

✅ Low

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$33–111 (est.)

Symptoms

Check Engine Light
Error when checking the fuel tank cap
Incorrect readings on the dashboard

Causes

Short circuit of the sensor circuit to positive
Sensor circuit open
Cover position sensor malfunction
Wiring Harness Problems
ECU malfunction

How to Fix

Check the condition of the fuel tank cap
Check the integrity of the wiring harness
Measure sensor resistance
Check the voltage in the circuit
If necessary, replace the sensor or wiring harness

Related codes

P0457 P0442 P0455