FixVault

DTC Detection Logic

DTC DETECTING CONDITION AND POSSIBLE CAUSES

DTC No. Trouble diagnosis name DTC detecting condition Possible cause
P1553 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.)

    [CKP sensor (POS) circuit is open or shorted.]

    [CMP sensor (PHASE) (bank 2) circuit is open or shorted.]

    (APP sensor 2 circuit is shorted.)

    (EVAP control system pressure sensor circuit is shorted.)

    (Refrigerant pressure sensor circuit is shorted.)

  • Battery current sensor
  • Crankshaft position sensor (POS)
  • Camshaft position sensor (PHASE) (bank 2)
  • Accelerator pedal position sensor
  • EVAP control system pressure sensor
  • Refrigerant pressure sensor