FixVault

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 P1553 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
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.)
  • Battery current sensor