POWER ASSISTED SYSTEM (POWER STEERING) (DIAGNOSTICS) > List of Diagnostic Trouble Code (DTC)

LIST

DTC

Item

Content of diagnosis

Index

None

Without DTC

Normal

“Assist limitation” is displayed in the «EPS operation flag» of “Current Data Display & Save”.

Assist limitation is being performed by the overheat protection control.

11

Torque Sensor Failure 1 (Main)

• Poor connector contact

• Forgot to connect connector

• Faulty torque sensor section circuit

• Faulty torque sensor coil

12

Torque Sensor Failure 2 (Sub)

13

Torque Sensor Failure 3 (Much Tolerance)

14

Torque Sensor Power Supply Failure

21

Motor Failure 1 (Overcurrent)

• Poor connector contact

• Forgot to connect connector

• Harness open/short circuit

• Motor open circuit

• Power transistor shorted/open

• Terminal power supply or ground short

22

Motor failure 3 (angle abnormal)

31

ECU Failure 1 (CPU Failure)

Faulty main unit of power steering control module

32

ECU Failure 1 (Peripheral Circuit Failure)

• Faulty main unit of power steering control module

• Torque sensor system fault

33

ECU Failure 3 (Board Temperature Sensor Failure)

Faulty main unit of power steering control module

41

Vehicle Speed is Abnormal

• Poor connector contact

• Forgot to connect connector

• Harness open/short circuit

42

CAN Error

CAN communication is unstable

54

Power Supply Relay Failure

• Power supply voltage malfunction

• Faulty relay contact