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TuningBot DTC Database · v4.37.15

P2668 Fuel mode indicator lamp - circuit malfunction

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

P · PowertrainBodyOBD2

What P2668 means

P2668
Fuel mode indicator lamp - circuit malfunction Generic · body Data confidence 78%

The control module detected improper operation of the Fuel mode indicator lamp circuit.

Possible causes

  • Wiring
  • fuel mode indicator lamp

Related and nearby codes

How to read P2668

P

Powertrain: engine, transmission and driveline systems.

2

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

668

Specific fault index within the subsystem.

Frequently asked questions about P2668

What does P2668 mean?

Fuel mode indicator lamp - circuit malfunction. The control module detected improper operation of the Fuel mode indicator lamp circuit.

Is P2668 generic or manufacturer-specific?

P2668 is a generic OBD-II code: it has the same meaning on every make and model that follows the SAE standard.

Can TuningBot remove P2668 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

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