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TuningBot DTC Database · v4.37.15

P2408 Fuel filler cap warning sensor/switch - circuit malfunction

Generic (OBD-II) interpretation in the TuningBot DTC database.

P · PowertrainEngineOBD2

What P2408 means

P2408
Fuel filler cap warning sensor/switch - circuit malfunction Generic · engine Data confidence 78%

The control module detected improper operation of the Fuel filler cap warning sensor/switch circuit.

Possible causes

  • Wiring
  • fuel filler cap warning sensor/switch

Related and nearby codes

How to read P2408

P

Powertrain: engine, transmission and driveline systems.

2

Generic SAE-standard code: same meaning on every make.

408

Specific fault index within the subsystem.

Frequently asked questions about P2408

What does P2408 mean?

Fuel filler cap warning sensor/switch - circuit malfunction. The control module detected improper operation of the Fuel filler cap warning sensor/switch circuit.

Is P2408 generic or manufacturer-specific?

P2408 is a generic OBD-II code: it has the same meaning on every make and model that follows the SAE standard.

Can TuningBot remove P2408 at file level?

If the fault logic lives in the ECU calibration, yes: our DTC Removal file service disables the specific fault entry. Checksum correction is not included: it is a separate, optional service. Not sure whether your case qualifies? Request a free assessment and our engineers will check your ECU file.

Other file services

ECU tuningDyno-tested results by model and engine See the results →

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