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Home >> Infiniti >> 2013 >> FX50 >> Repair and Diagnosis >> External Pages >> Different car >> Section 13 (Engine Control System - DTCS P1089 To P2138) >> DTC P1550: Battery Current Sensor >> DTC Logic >> DTC Detection Logic
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DTC Detection Logic

WARNING: This page is about a different car, the 2013 Infiniti FX37. However, it is still accessible from the selected car via links, so may be relevant.
NOTE: If DTC P1550 is displayed with DTC P0643, first perform the trouble diagnosis for P0643. Refer to "DTC LOGIC ".
DTC No. Trouble diagnosis name DTC detecting condition Possible cause
P1550 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