EPS DTC Troubleshooting Index
DTC
Detection Item
Low/High IG1-Terminal Voltage
Control Unit Power Supply Voltage
Motor Power Supply Voltage
Excessive Change of the Vehicle Speed Signal
Comparison between the Vehicle Speed and the Engine Speed Signal
Engine Speed Signal
ECU Software Reprogramming Failure
Torque Sensor Neutral Position Not Written
EPS Control Unit Internal Circuit (Current Sensor)
EPS Control Unit Internal Circuit (Current Sensor Offset)
EPS Control Unit Internal Circuit (Current Sensor)
EPS Control Unit Internal Circuit (Current Sensor)
Motor Current Correlation
Lower FET Stuck ON
Upper FET Stuck ON
Lower FET Stuck ON
Upper FET Stuck ON
Power Relay
Fail-Safe Relay
Short in EPS Motor Harness
Short in EPS Motor Harness
Power Relay Stuck OFF
EPS Control Unit Internal Circuit (CPU)
EPS Control Unit Internal Circuit (EEPROM1)
EPS Control Unit Internal Circuit (CPU Communication)
EPS Control Unit Internal Circuit (A/D Conversion)
EPS Control Unit Internal Circuit (INHL/INHR Ports)
EPS Control Unit Internal Circuit (INH Output Circuit)
EPS Control Unit Internal Circuit (Step-up Circuit)
EPS Control Unit Internal Circuit (Step-up Circuit)
Torque Sensor (VS1, VS2 Low/High Check)
Torque Sensor (Average Check)
Torque Sensor (Power Supply Check)
Motor Harness Malfunction
Motor Angle Sensor (SIN/COS Signals)
Motor Angle Sensor (Neutral Position Learning of SIN/COS)
Motor Angle Sensor (SIN/COS Signals)
Motor Angle Sensor (SIN/COS Signals)
Yaw Rate Sensor Malfunction
CAN Communication Failure
CAN Communication Timeout Error
Steering Angle Sensor Malfunction
VSA System Malfunction