P0691 Hyundai Fan 1 Control Circuit Low
Possible causes
– Faulty Low Speed Radiator Fan Relay
– Low Speed Radiator Fan Relay harness is open or shorted
– Low Speed Radiator Fan Relay circuit poor electrical connection
– Faulty Electric Fan
– Faulty Engine Control Module (ECM)
– Low Speed Radiator Fan Relay harness is open or shorted
– Low Speed Radiator Fan Relay circuit poor electrical connection
– Faulty Electric Fan
– Faulty Engine Control Module (ECM)
Symptoms
– Engine Light ON (or Service Engine Soon Warning Light)
– Radiator fan inoperative
– Possible engine overheating
– Radiator fan inoperative
– Possible engine overheating
Hyundai Vehicle:Hyundai Sonata,Hyundai Elantra,Hyundai Tucson,Hyundai Veloster,Hyundai Accent,Hyundai Getz,Hyundai Genesis,Hyundai Veracruz