FixVault

DTC Detection Logic

DTC No.

CONSULT screen terms

(Trouble diagnosis content)

DTC detecting condition

Possible cause

P0547

EXHAUST GAS TEMP SENSOR 1 B2

(Exhaust gas temperature sensor circuit bank 2 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

P0548

EXHAUST GAS TEMP SENSOR 1 B2

(Exhaust gas temperature sensor circuit low bank 2 sensor 1)

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