Error code
OBD2 P2408
OBD2P2408
Diagnostic Trouble Code· Standard OBD-II fault code read from the vehicle's onboard diagnostics.
What it means
Fuel Cap Sensor/Switch Circuit.
Severity
lowCan keep driving but may experience reduced fuel efficiency and potential emissions issues.
Summary
P2408 indicates an issue with the fuel cap sensor or switch circuit, which is located at the fuel filler cap.
Common Causes
- Wiring issues related to the fuel cap warning sensor/switch
Fixes
- Inspect and repair or replace the wiring related to the fuel cap warning sensor/switch.
FAQ
What should I do if my car shows P2408?
Check the wiring around the fuel filler cap area and ensure that the fuel cap is properly sealed. If issues persist, consult a professional mechanic.
Not affiliated with OBD2. Answer summarized from the manufacturer's manual linked above; consult that source for the authoritative procedure.
More OBD2 codes
- P2400Evaporative Emission System Leak Detection Pump Control Circuit/Open
- P2401Evaporative Emission System Leak Detection Pump Control Circuit Low
- P2402Evaporative Emission System Leak Detection Pump Control Circuit High
- P2403Evaporative Emission System Leak Detection Pump Sense Circuit/Open
- P2404Evaporative Emission System Leak Detection Pump Sense Circuit Range/Performance
- P2405Evaporative Emission System Leak Detection Pump Sense Circuit Low
- P2406Evaporative Emission System Leak Detection Pump Sense Circuit High
- P2407Evaporative Emission System Leak Detection Pump Sense Circuit Intermittent/Erratic
- P2409Fuel Cap Sensor/Switch Circuit Range/Performance
- P2410Fuel Cap Sensor/Switch Circuit Low
- P2411Fuel Cap Sensor/Switch Circuit High
- P2412Fuel Cap Sensor/Switch Circuit Intermittent/Erratic