P04BA
Fuel Fill Door Position Sensor/Switch Circuit High
P04BA is an OBD-II diagnostic trouble code meaning: Fuel Fill Door Position Sensor/Switch Circuit High. Common causes: short circuit of the sensor circuit to positive, sensor circuit open. Estimated repair cost: $33–111.
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
Error P04BA by Vehicle Brand
FAQ
What does the P04BA code mean?
P04BA is an OBD-II diagnostic trouble code that indicates: Fuel Fill Door Position Sensor/Switch Circuit High
What causes a P04BA error code?
The most common causes of P04BA include: Short circuit of the sensor circuit to positive; Sensor circuit open; Cover position sensor malfunction; Wiring Harness Problems.
How do I fix a P04BA diagnostic trouble code?
To fix P04BA: Check the condition of the fuel tank cap. Check the integrity of the wiring harness. Measure sensor resistance. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P04BA?
Yes, but get it checked soon
How much does it cost to fix P04BA?
The estimated repair cost for P04BA is $33–111. Actual cost depends on your vehicle, location, and labor rates.
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