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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 P1550: 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
P1550 BAT CURRENT SENSOR
(Battery current sensor circuit range/performance)
The output voltage of the battery current sensor remains within the specified range while engine is running.
  • Harness or connectors

    (Battery current sensor circuit is open or shorted.)

  • Battery current sensor
  • Sensor power supply 2