DTC Description

If the wrong clutch signal is continued for a certain period of time, HECU sets DTC C1520. (ESC MT Only)

DTC Detecting Condition

Item

Detecting Condition

Possible Cause

DTC Strategy

Signal Monitoring

1.

Clutch switch Circuit Open/Short

2.

Defected clutch switch

Enable Conditions

Engine ON

Vehicle running

Monitoring Period

During Driving

Threshold Value

The clutch signal keep in "Off" phase for 4 sec. continuously on vehicle speed is greater than 70kph.

The clutch signal keep in "On" phase 3 times for 4 sec. continuously on vehicle speed is greater than 70kph.

Warning lamp condition

The ESP(ESC) warning lamp is activated

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