DTC Detection Logic

DTC No.

CONSULT screen terms

(Trouble diagnosis content)

DTC detecting condition

Possible cause

P0546

EXHAUST GAS TEMP SENSOR 1 B1

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

ECM detects that a voltage signal from exhaust gas temperature sensor is more than 4.84 V for 5 consecutive seconds.

• Harness or connectors

  (Exhaust gas temperature sensor circuit is open.)

• Exhaust gas temperature sensor

P2081

EXHAUST GAS TEMP SENSOR 1 B1

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

ECM detects that a voltage signal from exhaust gas temperature sensor is 4.84 V or more for 5 consecutive seconds.