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Nissan-Datsun
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2013
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Pathfinder SL, 4WD
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Repair and Diagnosis
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Transmission
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Transfer Case
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DTC/Circuit Diagnosis
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DTC P1804: 4WD Control Unit
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DTC Logic
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DTC Detection Logic
DTC Detection Logic
DTC
Display item
Malfunction detected condition
Possible cause
P1804
CONTROL UNIT 3
Malfunction is detected in the memory (EEPROM) system of 4WD control unit.
Internal malfunction of 4WD control module.