P1803 HYUNDAI - Immobilizer ECU Signal Error
- Faulty Immobilizer ECU
- Immobilizer ECU harness is open or shorted
- Immobilizer ECU circuit poor electrical connection
- Engine Light ON (or Service Engine Soon Warning Light)
P1803 Hyundai DescriptionImmobilizer ECU Signal Error is the generic description for the P1803 Hyundai code, but the manufacturer may have a different description. Currently we have no further information abouth the P1803 Hyundai OBDII code. Please post your question on our "Questions" section for more information: AutoCodes.com Questions.
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