DTC Detection Logic

DTC No.

CONSULT screen terms

(Trouble diagnosis content)

DTC detecting condition

Possible cause

P0544

EXHAUST GAS TEMP SENSOR 1 B1

(Exhaust gas temperature sensor circuit bank 1 sensor 1)

ECM detects that a voltage signal from exhaust gas temperature sensor is less than 0.025 V for 5 consecutive seconds.

• Harness or connectors

  (Exhaust gas temperature sensor circuit is shorted.)

• Exhaust gas temperature sensor

P0545

EXHAUST GAS TEMP SENSOR 1 B1

(Exhaust gas temperature sensor circuit low bank 1 sensor 1)

ECM detects that a voltage signal from exhaust gas temperature sensor is less than 0.209 V for 5 consecutive seconds.