DTC Detection Logic

DTC No.

CONSULT screen terms

DTC detecting condition

DTC

(Trouble diagnosis content)

Malfunction type

P2271

O2 SENSOR B1 SENSOR 2

(O2 sensor signal biased/stuck rich bank 1 sensor 2)

NO SUBTYPE INFORMATION

The signal from oxygen sensor (cylinder bank 1) is shifted towards RICH.

SIG RTE OF CHNG BLW THRESHLD

The signal from oxygen sensor (cylinder bank 1) is shifted towards RICH. The signal change rate is below the permissible limit value.