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C2240 Unknown Actuator State

AutoHex Online Help: Hyundai GRANDEUR/AZERA(HG) 2012
Component Location
General Description

The EPB is the acronym for Electric Parking Brake system. Instead of using pedal or lever, using switch can apply parking brake. Drive controls switch ? switch signal to ECU ? ECU activate actuator ? parking brake Apply/Release. When EPB switch is pulled, parking brake gets Applied. When EPB switch is pushed down, parking brake is released.



DTC Description

EPB ECU raise DTC if EPB actuator apply/release state is not known or both side apply/release state is not same. Usually power, actuator, motor DTC will cause this DTC to be raised.

DTC Detecting Condition

Item

Detecting Condition

Possible Cause

DTC Strategy

Monitoring EPB actuator state

EPB actuator state is unknown

EPB state of both side are not the same

Due to other DTC above case happen

If only one side is actuator by GDS

Enable conditions

IG ON

Battery voltage between 9V and 16V

Threshold value

EPB actuator state is not known

Both side actuator state are not the same

Fail Safe

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