Code result
P2668
Fuel Mode Indicator Lamp Control Circuit
Moderate severity
What it means
The fuel mode indicator lamp circuit (showing whether a bi-fuel vehicle currently runs on gasoline or alternative fuel) is faulty. Driver may not know the active fuel.
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
Burnt-out indicator bulb
highOne of the most commonly reported causes for this code — check this first.
Open or shorted wire to the cluster
mediumA plausible cause — test and verify before replacing parts.
Related help
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