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Home >> Nissan-Datsun >> 2004 >> Altima S, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 1080 (Transfer Case (TX15B)) >> DTC/Circuit Diagnosis >> DTC P1801, P1811: Power Supply Circuit For Transfer Control Unit >> DTC Logic >> DTC Detection Logic

DTC Detection Logic

WARNING: This page is about a different car, the 2012 Nissan Pathfinder. However, it is still accessible from the selected car via links, so may be relevant.
DTC CONSULT Diagnostic item is detected when... Reference
[P1801] *INITIAL START* Due to removal of battery which cuts off power supply to transfer control unit, self-diagnosis memory function is suspended. P1801, P1811 POWER SUPPLY CIRCUIT FOR TRANSFER CONTROL UNIT 
[P1811] BATTERY VOLTAGE Power supply voltage for transfer control unit is abnormally low while driving.
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