P04BC
Fuel Fill Door Lock Control Range or Performance
Fuel Fill Door Lock Control Range or Performance: the component is electrically intact but its response does not match the command.
- Check engine light: Not always
- Emissions related: No
- Repair difficulty: easy
Common causes
Ordered by how often each turns out to be the cause.
- Actuator slow or wornCommon
- Linkage binding due to dirt or icePossible
Parts involved
- Fuel Fill Door Lock Actuator
- Fuel Fill Door Lock Position Sensor
P04BC is a generic OBD-II code defined by SAE J2012. Exact wording and diagnostic procedure vary by manufacturer and model. Code definitions are drawn from the public-domain OBDex dataset; the workshop notes are our own.