DTC Description

If there is an error in steering signals, the EPS(MDPS=Motor Driving Power Steering) unit sets DTC C1259.

DTC Detecting Condition

Item

Detecting Condition

Possible cause

DTC Strategy

Steering angle signal

1.

Open or short in the power harness

2.

Open/Short in the ground harness

3.

Steering angle Sensor

4.

EPS(MDPS) CM

5.

ASP Setting error

Enable conditions

If the voltage of battery is normal

Threshold value

If the signal of steering angle are out of a normal range

Fail Safe

Normal assistance

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