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Home >> Infiniti >> 2017 >> QX80 Base, RWD >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System (DTCS) (3 Of 4) >> DTC/Circuit Diagnosis >> DTC P1554: Battery Current Sensor >> DTC Logic >> DTC Detection Logic
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DTC Detection Logic

DTC No. Trouble diagnosis name
(Trouble diagnosis content)
DTC detecting condition Possible cause
P1554 BAT CURRENT SENSOR
(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.)

  • Battery current sensor
  • Sensor power supply 2