P1803 KIA – Immobilizer ECU Signal Error

P1803 KIA Possible Symptoms

Engine Light ON (or Service Engine Soon Warning Light)

P1803 KIA Possible Causes

Faulty Immobilizer ECU,Immobilizer ECU harness is open or shorted,Immobilizer ECU circuit poor electrical connection

P1803 KIA Description

Immobilizer ECU Signal Error is the generic description for the P1803 Kia code, but the manufacturer may have a different description. Currently we have no further information abouth the P1803 Kia OBDII code.