P1039 JEEP Nitrogen Oxides Sensor Short Circuit

Possible causes

– Faulty nitrogen oxides (NOx) sensor
– Nitrogen oxides (NOx) sensor harness is open or shorted
– Nitrogen oxides (NOx) sensor circuit poor electrical connection

Symptoms

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

P1039 JEEP Description

Nitrogen oxides (NOx) sensor – short circuit