DTC Detection Logic
WARNING: This page is about a different car, the 2019 Infiniti QX60. However, it is still accessible from the selected car via links, so may be relevant.
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DTC
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Display item
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Malfunction detected condition
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Possible cause
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P1804
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CONTROL UNIT 3
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Malfunction is detected in the memory (EEPROM) system of AWD control unit.
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Internal malfunction of AWD control unit.
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