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Home >> Nissan-Datsun >> 2017 >> Sentra SR Turbo, Standard Trans >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (DTCS) (1.6L) (3 Of 4) >> DTC/Circuit Diagnosis >> DTC P1550: Battery Current Sensor >> DTC Logic >> DTC Detection Logic

DTC Detection Logic

NOTE:

If DTC P1550 is displayed with DTC P0643, first perform the trouble diagnosis for DTC P0643. Refer to  DTC LOGIC  . 

DTC No. CONSULT screen terms
(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
  • Camshaft position sensor
  • Camshaft (Intake)
  • Starter motor
  • Starting system circuit
  • Dead (Weak) battery