DTC Detection Logic

NOTE: If DTC P1556 or P1557 is displayed with DTC P0643, first perform the trouble diagnosis for DTC P0643. Refer to DTC Description .

DTC No.

Trouble diagnosis name

(Trouble diagnosis content)

DTC detecting condition

Possible cause

P1556

BAT TMP SEN/CIRC

(Battery temperature sensor circuit low input)

Signal voltage from Battery temperature sensor remains 0.16V or less for 5 seconds or more.

Harness or connectors
[Battery current sensor (Battery temperature sensor) circuit is shorted.]
Battery current sensor (Battery temperature sensor)

P1557

BAT TMP SEN/CIRC

(Battery temperature sensor circuit high input)

Signal voltage from Battery temperature sensor remains 4.84V or more for 5 seconds or more.