DTC Description

When the ECM/PCM detects short to power in the OCV(Intake) control circuit, ECM/PCM sets DTC P0077.

DTC Detecting Condition

Item

Detecting Condition

Possible Cause

DTC Strategy

•

Electrical check(Intake)

1.

Poor connection

2.

Short to battery in control circuit

3.

OCV(Intake)

Enable Conditions

•

Coolant temperature is higher than -5℃

•

Time after engine start is higher than 3.5s

Threshold Value

•

Short circuit to battery

Diagnostic Time

•

Continuous

Mil On Condition

•

2 driving cycles

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