DTC Detection Logic
WARNING: This page is about a different car, the 2013 Nissan Xterra. However, it is still accessible from the selected car via links, so may be relevant.
| DTC | CONSULT | Diagnostic item is detected when... |
|---|---|---|
| P1802 TRANSFER CONTROL UNIT | CONTROL UNIT 1 | Malfunction is detected in the memory (RAM) system of transfer control unit. |
| P1803 TRANSFER CONTROL UNIT | CONTROL UNIT 2 | Malfunction is detected in the memory (ROM) system of transfer control unit. |
| P1804 TRANSFER CONTROL UNIT | CONTROL UNIT 3 | Malfunction is detected in the memory (EEPROM) system of transfer control unit. |
| P1809 TRANSFER CONTROL UNIT | CONTROL UNIT 4 | AD converter system of transfer control unit is malfunctioning. |