Powertrain
generic / SAE
P04C7
Fuel Fill Door Lock Position Sensor Circuit Intermittent or Erratic
Same as P04C3 with intermittent feedback. Wiring faults of this kind typically come from chafing, water ingress at connector seals, or pin push-back — a wiggle test on the harness while the code is active often confirms the location.
SystemPowertrain
Typegeneric / SAE
GroupP0
Range / number4 / C7
Possible causes
- Intermittent contact at connector high
- Connector with intermittent contact under vibration low
- Harness routed against vibrating component low
Inspection / repair
- Difficulty: easy
- DIY: possible
- Estimated cost: 80–280 €
- Estimated time: 0.5–1.4 h
- Component: fuel fill door lock position sensor
- Component: fuel fill door wiring
Sources
References
sae:J2012