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Diagnostic Trouble Code Chart [05/2013 - ]

HINT: 

If any DTCs are displayed during the DTC check, inspect the circuit listed for those DTCs. For details of each DTC, refer to the Service Information indicated in the DTC chart.

POWER STEERING SYSTEM

DTC Code Detection Item Trouble Area Normal Return EPS Warning Light See Service Information
C1511/11 Torque Sensor 1 Malfunction - Steering column assembly Ignition switch ON again Comes on Refer to DTC C1511/11: Torque Sensor 1 Malfunction; DTC C1512/11: Torque Sensor 2 Malfunction; DTC C1513/11: Torque Sensor Deviation Excessive; DTC C1514/11: Torque Sensor Power Supply Voltage Malfunction; DTC C1521/25: Short in Motor Circuit; DTC C1524/24: Motor Terminal Voltage Malfunction; DTC C1531/25: ECU Malfunction; DTC C1532/25: ECU Malfunction; DTC C1533/25: Temperature Sensor Circuit is Low or High; DTC C1534/25: EEPROM Malfunction; DTC C1555/25: Motor Relay Welding Failure
C1512/11 Torque Sensor 2 Malfunction - Steering column assembly Ignition switch ON again Comes on Refer to DTC C1511/11: Torque Sensor 1 Malfunction; DTC C1512/11: Torque Sensor 2 Malfunction; DTC C1513/11: Torque Sensor Deviation Excessive; DTC C1514/11: Torque Sensor Power Supply Voltage Malfunction; DTC C1521/25: Short in Motor Circuit; DTC C1524/24: Motor Terminal Voltage Malfunction; DTC C1531/25: ECU Malfunction; DTC C1532/25: ECU Malfunction; DTC C1533/25: Temperature Sensor Circuit is Low or High; DTC C1534/25: EEPROM Malfunction; DTC C1555/25: Motor Relay Welding Failure
C1513/11 Torque Sensor Deviation Excessive - Steering column assembly Ignition switch ON again Comes on Refer to DTC C1511/11: Torque Sensor 1 Malfunction; DTC C1512/11: Torque Sensor 2 Malfunction; DTC C1513/11: Torque Sensor Deviation Excessive; DTC C1514/11: Torque Sensor Power Supply Voltage Malfunction; DTC C1521/25: Short in Motor Circuit; DTC C1524/24: Motor Terminal Voltage Malfunction; DTC C1531/25: ECU Malfunction; DTC C1532/25: ECU Malfunction; DTC C1533/25: Temperature Sensor Circuit is Low or High; DTC C1534/25: EEPROM Malfunction; DTC C1555/25: Motor Relay Welding Failure
C1514/11 Torque Sensor Power Supply Voltage Malfunction - Steering column assembly Ignition switch ON again Comes on Refer to DTC C1511/11: Torque Sensor 1 Malfunction; DTC C1512/11: Torque Sensor 2 Malfunction; DTC C1513/11: Torque Sensor Deviation Excessive; DTC C1514/11: Torque Sensor Power Supply Voltage Malfunction; DTC C1521/25: Short in Motor Circuit; DTC C1524/24: Motor Terminal Voltage Malfunction; DTC C1531/25: ECU Malfunction; DTC C1532/25: ECU Malfunction; DTC C1533/25: Temperature Sensor Circuit is Low or High; DTC C1534/25: EEPROM Malfunction; DTC C1555/25: Motor Relay Welding Failure
C1521/25 Short in Motor Circuit - Steering column assembly Ignition switch ON again Comes on Refer to DTC C1511/11: Torque Sensor 1 Malfunction; DTC C1512/11: Torque Sensor 2 Malfunction; DTC C1513/11: Torque Sensor Deviation Excessive; DTC C1514/11: Torque Sensor Power Supply Voltage Malfunction; DTC C1521/25: Short in Motor Circuit; DTC C1524/24: Motor Terminal Voltage Malfunction; DTC C1531/25: ECU Malfunction; DTC C1532/25: ECU Malfunction; DTC C1533/25: Temperature Sensor Circuit is Low or High; DTC C1534/25: EEPROM Malfunction; DTC C1555/25: Motor Relay Welding Failure
C1524/24 Motor Terminal Voltage Malfunction - Steering column assembly Ignition switch ON again Comes on Refer to DTC C1511/11: Torque Sensor 1 Malfunction; DTC C1512/11: Torque Sensor 2 Malfunction; DTC C1513/11: Torque Sensor Deviation Excessive; DTC C1514/11: Torque Sensor Power Supply Voltage Malfunction; DTC C1521/25: Short in Motor Circuit; DTC C1524/24: Motor Terminal Voltage Malfunction; DTC C1531/25: ECU Malfunction; DTC C1532/25: ECU Malfunction; DTC C1533/25: Temperature Sensor Circuit is Low or High; DTC C1534/25: EEPROM Malfunction; DTC C1555/25: Motor Relay Welding Failure
C1531/25 ECU Malfunction - Steering column assembly Ignition switch ON again Comes on Refer to DTC C1511/11: Torque Sensor 1 Malfunction; DTC C1512/11: Torque Sensor 2 Malfunction; DTC C1513/11: Torque Sensor Deviation Excessive; DTC C1514/11: Torque Sensor Power Supply Voltage Malfunction; DTC C1521/25: Short in Motor Circuit; DTC C1524/24: Motor Terminal Voltage Malfunction; DTC C1531/25: ECU Malfunction; DTC C1532/25: ECU Malfunction; DTC C1533/25: Temperature Sensor Circuit is Low or High; DTC C1534/25: EEPROM Malfunction; DTC C1555/25: Motor Relay Welding Failure
C1532/25 ECU Malfunction - Steering column assembly Ignition switch ON again Comes on Refer to DTC C1511/11: Torque Sensor 1 Malfunction; DTC C1512/11: Torque Sensor 2 Malfunction; DTC C1513/11: Torque Sensor Deviation Excessive; DTC C1514/11: Torque Sensor Power Supply Voltage Malfunction; DTC C1521/25: Short in Motor Circuit; DTC C1524/24: Motor Terminal Voltage Malfunction; DTC C1531/25: ECU Malfunction; DTC C1532/25: ECU Malfunction; DTC C1533/25: Temperature Sensor Circuit is Low or High; DTC C1534/25: EEPROM Malfunction; DTC C1555/25: Motor Relay Welding Failure
C1533/25 Temperature Sensor Circuit is Low or High - Steering column assembly After normal condition Does not come on Refer to DTC C1511/11: Torque Sensor 1 Malfunction; DTC C1512/11: Torque Sensor 2 Malfunction; DTC C1513/11: Torque Sensor Deviation Excessive; DTC C1514/11: Torque Sensor Power Supply Voltage Malfunction; DTC C1521/25: Short in Motor Circuit; DTC C1524/24: Motor Terminal Voltage Malfunction; DTC C1531/25: ECU Malfunction; DTC C1532/25: ECU Malfunction; DTC C1533/25: Temperature Sensor Circuit is Low or High; DTC C1534/25: EEPROM Malfunction; DTC C1555/25: Motor Relay Welding Failure
C1534/25 EEPROM Malfunction - Steering column assembly Ignition switch ON again Does not come on*1 Refer to DTC C1511/11: Torque Sensor 1 Malfunction; DTC C1512/11: Torque Sensor 2 Malfunction; DTC C1513/11: Torque Sensor Deviation Excessive; DTC C1514/11: Torque Sensor Power Supply Voltage Malfunction; DTC C1521/25: Short in Motor Circuit; DTC C1524/24: Motor Terminal Voltage Malfunction; DTC C1531/25: ECU Malfunction; DTC C1532/25: ECU Malfunction; DTC C1533/25: Temperature Sensor Circuit is Low or High; DTC C1534/25: EEPROM Malfunction; DTC C1555/25: Motor Relay Welding Failure
C1541/13 Vehicle Speed Signal - CAN communication system
- Vehicle stability control system
- Steering column assembly		 Ignition switch ON again Comes on Refer to DTC C1541/13: Vehicle Speed Signal
C1551/25 IG Power Supply Voltage Malfunction - ECU-IG No. 1 fuse
- IG power source circuit
- Steering column assembly		 After normal condition Comes on Refer to DTC C1551/25: IG Power Supply Voltage Malfunction
C1552/22 PIG Power Supply Voltage Malfunction - EPS fuse
- PIG power source circuit
- Steering column assembly		 After normal condition Comes on Refer to DTC C1552/22: PIG Power Supply Voltage Malfunction; DTC C1554/23: Power Supply Relay Failure
C1554/23 Power Supply Relay Failure - EPS fuse
- Wire harness and connector
- Steering column assembly		 Ignition switch ON again Comes on Refer to DTC C1552/22: PIG Power Supply Voltage Malfunction; DTC C1554/23: Power Supply Relay Failure
C1555/25 Motor Relay Welding Failure - Steering column assembly Ignition switch ON again Comes on Refer to DTC C1511/11: Torque Sensor 1 Malfunction; DTC C1512/11: Torque Sensor 2 Malfunction; DTC C1513/11: Torque Sensor Deviation Excessive; DTC C1514/11: Torque Sensor Power Supply Voltage Malfunction; DTC C1521/25: Short in Motor Circuit; DTC C1524/24: Motor Terminal Voltage Malfunction; DTC C1531/25: ECU Malfunction; DTC C1532/25: ECU Malfunction; DTC C1533/25: Temperature Sensor Circuit is Low or High; DTC C1534/25: EEPROM Malfunction; DTC C1555/25: Motor Relay Welding Failure
C1581/26 Assist Map Number Un-Writing - Assist map is not written
- CAN communication system
- SFI system
- Vehicle stability control system
- Steering column assembly		 Assist map written Comes on Refer to DTC C1581/26: Assist Map Number Un-Writing
C1582/26 Assist Map Number Mismatch - CAN communication system
- Incorrect ECM
- Incorrect Brake actuator assembly
- Steering column assembly		 Ignition switch ON again Does not come
on		 Refer to DTC C1582/26: Assist Map Number Mismatch
U0100/41 Lost Communication with ECM/PCM "A" - CAN communication system
- ECM		 After normal
condition		 Does not come
on*2		 Refer to DTC U0100/41: Lost Communication with ECM/PCM "A"; DTC U0129/42: Lost Communication with Brake System Control Module
U0129/42 Lost Communication with Brake System Control Module - CAN communication system
- Vehicle stability control system		 After normal
condition		 Comes on Refer to DTC U0100/41: Lost Communication with ECM/PCM "A"; DTC U0129/42: Lost Communication with Brake System Control Module

*1: The offset is set to the default value and control is continued. In this case, the warning light illuminates.

*2: When an error occurs during steering assist, the warning light does not illuminate. For errors that occur before assist (at the time of the decision to start assist), the warning light illuminates.

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