DTC Detection Logic

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 open or shorted.] [CMP sensor (PHASE) (bank 2) circuit is open or 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) Accelerator pedal position sensor EVAP control system pressure sensor Refrigerant pressure sensor