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DTC Detection Logic
DTC DETECTING CONDITION CHART
| DTC No. |
Trouble diagnosis name |
DTC detecting condition |
Possible cause |
| P1554 |
Battery current sensor performance |
The output voltage of the battery current sensor is lower than the specified value while the battery voltage is high enough. |
- Harness or connectors
(Battery current sensor circuit is open or shorted.)
[CKP sensor (POS) circuit is shorted.]
[CMP sensor (PHASE) (bank 2) circuit is shorted.]
[EVT control position sensor (bank 2) circuit is shorted.]
(APP sensor 2 circuit is shorted.)
(EVAP control system pressure sensor circuit is shorted.)
(Refrigerant pressure sensor circuit is shorted.)
- Battery current sensor
- Crankshaft position sensor (POS)
- Camshaft position sensor (PHASE) (bank 2)
- Exhaust valve timing control position sensor (bank 2)
- Accelerator pedal position sensor
- EVAP control system pressure sensor
- Refrigerant pressure sensor
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