P0690 Hyundai Electronic Control Module Power Relay Sense Circuit High
Possible causes
– Weak battery – Low voltage while cranking
– Faulty Engine Control Module (ECM) relay
– Blown ECM fuse
– Faulty ECM
– ECM harness is open or shorted
– ECM circuit poor electrical connection
– Faulty Engine Control Module (ECM) relay
– Blown ECM fuse
– Faulty ECM
– ECM harness is open or shorted
– ECM circuit poor electrical connection
Symptoms
– Engine Light ON (or Service Engine Soon Warning Light)
Hyundai Vehicle:Hyundai Sonata,Hyundai Elantra,Hyundai Tucson,Hyundai Veloster,Hyundai Accent,Hyundai Getz,Hyundai Genesis,Hyundai Veracruz