FixVault

DTC Detection Logic

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.)

  • Battery current sensor
  • Sensor power supply 2