DTC Description

If Gear Selector Display signal is fault for more than 500 msec, EPB ECU sets DTC C1646.

DTC Detecting Condition

Item

Detecting Condition

Possible Cause

DTC Strategy

•

CAN Message Monitoring

1.

Defected CAN Communication Circuit

2.

Defected TCM

Threshold Value

•

Gear Selector Display signal is fault for over 50 times(more than 500 msec) within normal voltage condition

•

The fault is not checked for 2 sec after ignition "ON"

Fail Safe

•

DAR/Dynamic Braking(ESP) inhibted

Warning Indicator Lamp Status

•

Warning Indicator Lamp "ON"

Clear Condition

•

Ignition "OFF" and then "ON"

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