Powertrain
generic / SAE
P2408
Fuel Cap Sensor/Switch Circuit Range/Performance
On vehicles with a sensed fuel cap, the cap-status signal is electrically valid but does not change as expected when the cap is opened or closed.
SystemPowertrain
Typegeneric / SAE
GroupP2
Range / number4 / 08
Possible causes
- Cap switch worn high
- Cap seal aged, switch never seats medium
- Sensor element aged beyond calibration window low
Inspection / repair
- Difficulty: easy
- DIY: possible
- Estimated cost: 30–150 €
- Estimated time: 0.2–0.8 h
- Component: fuel cap sensor
- Component: sensor wiring
- MIL / check engine light
- emissions-relevant
- drive cycle required
Sources
References
sae:J2012