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Home >> Nissan-Datsun >> 2004 >> Altima S, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 1063 (Transfer Case (ATX14B)) >> DTC/Circuit Diagnosis >> DTC P1802, P1803, P1804, P1809: 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
[P1802 ] CONTROL UNIT 1 Malfunction is detected in the memory (RAM) system of transfer control unit. Refer to Diagnosis Procedure  .
[P1803] CONTROL UNIT 2 Malfunction is detected in the memory (ROM) system of transfer control unit.
[P1804] CONTROL UNIT 3 Malfunction is detected in the memory (EEPROM) system of transfer control unit.
[P1809] CONTROL UNIT 4 AD converter system of transfer control unit is malfunctioning.
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