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DTC Detection Logic

WARNING: This page is about a different car, the 2012 Infiniti M35h. However, it is still accessible from the selected car via links, so may be relevant.
DTC No. Trouble diagnosis name (Trouble diagnosis content) DTC detecting condition Possible cause
P1553 BAT CURRENT SENSOR (Battery current sensor performance) The signal voltage transmitted from the sensor to ECM is higher than the amount of the maximum power generation.
  • Harness or connectors (Battery current sensor circuit is open or shorted.) (Sensor power supply 2 circuit is open or shorted.)
  • Battery current sensor
  • Each sensor, connected with sensor power supply 2 circuit
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