DTC Description

If dynamics of upstream lambda sensor signal is too small, ECM sets DTC P014C00.

DTC Detecting Condition

Item

Detecting Condition

Possible Cause

DTC Strategy

•

Plausibility monitoring

1.

Faulty upstream lambda sensor circuit

2.

Faulty upstream lambda sensor

Enable Condition

•

Engine running

Threshold Value

•

Plausibility error on upstream lambda sensor under normal mode

Detecting Time

•

-

Fail Safe

MIL

•

On

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