Possible causes

– Fuel Tank Isolation Valve (FTIV) harness is open or shorted
– Fuel Tank Isolation Valve circuit poor electrical connection
– Faulty Fuel Tank Isolation Valve

When is the code detected?

The Powertrain Control Module (PCM) detected the Fuel Tank Isolation Valve (FTIV) output driver is outside its commanded state

Symptoms

– Engine Light ON (or Service Engine Soon Warning Light)