Code result
P2408
Fuel Cap Sensor/Switch Circuit Range/Performance
Moderate severity
What it means
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.
Is it safe to drive?
Use caution
The vehicle is usually drivable for short distances, but the problem can worsen or affect emissions. Diagnose and repair as soon as practical.
Most likely causes
Cap switch worn
highOne of the most commonly reported causes for this code — check this first.
Cap seal aged, switch never seats
mediumA plausible cause — test and verify before replacing parts.
Sensor element aged beyond calibration window
lowLess common, but worth ruling out after the more likely causes.
Related help
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