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Diagnostic Trouble Code Chart [11/2018 - 02/2019]

POWER STEERING SYSTEM

DTC No. Detection Item DTC Detection Condition Warning Indicate Return-to-normal Condition Note Link
C1511 Torque Sensor1 Torque sensor malfunction EPS warning light: Comes on Ignition switch is turned to ON again - Refer to DTC C1511: Torque Sensor1; DTC C1512: Torque Sensor2; DTC C1513: Torque Sensor Deviation Excessive; DTC C1514: Torque Sensor Power Supply Voltage; DTC C1517: Torque Hold; DTC C1521: Short in Motor Circuit; DTC C1522: Power Supply Sensor; DTC C1523: Current Deviation Excessive; DTC C1528: Motor Rotation Angle Sensor; DTC C1531: ECU Malfunction; DTC C1532: ECU Malfunction; DTC C1533: Temperature Sensor Circuit is Low or High; DTC C1534: EEPROM; DTC C1555: Motor Relay Welding Failure [11/2018 - 02/2019]
C1512 Torque Sensor2 Torque sensor malfunction EPS warning light: Comes on Ignition switch is turned to ON again - Refer to DTC C1511: Torque Sensor1; DTC C1512: Torque Sensor2; DTC C1513: Torque Sensor Deviation Excessive; DTC C1514: Torque Sensor Power Supply Voltage; DTC C1517: Torque Hold; DTC C1521: Short in Motor Circuit; DTC C1522: Power Supply Sensor; DTC C1523: Current Deviation Excessive; DTC C1528: Motor Rotation Angle Sensor; DTC C1531: ECU Malfunction; DTC C1532: ECU Malfunction; DTC C1533: Temperature Sensor Circuit is Low or High; DTC C1534: EEPROM; DTC C1555: Motor Relay Welding Failure [11/2018 - 02/2019]
C1513 Torque Sensor Deviation Excessive Torque sensor malfunction EPS warning light: Comes on Ignition switch is turned to ON again - Refer to DTC C1511: Torque Sensor1; DTC C1512: Torque Sensor2; DTC C1513: Torque Sensor Deviation Excessive; DTC C1514: Torque Sensor Power Supply Voltage; DTC C1517: Torque Hold; DTC C1521: Short in Motor Circuit; DTC C1522: Power Supply Sensor; DTC C1523: Current Deviation Excessive; DTC C1528: Motor Rotation Angle Sensor; DTC C1531: ECU Malfunction; DTC C1532: ECU Malfunction; DTC C1533: Temperature Sensor Circuit is Low or High; DTC C1534: EEPROM; DTC C1555: Motor Relay Welding Failure [11/2018 - 02/2019]
C1514 Torque Sensor Power Supply Voltage Torque sensor malfunction EPS warning light: Comes on Ignition switch is turned to ON again - Refer to DTC C1511: Torque Sensor1; DTC C1512: Torque Sensor2; DTC C1513: Torque Sensor Deviation Excessive; DTC C1514: Torque Sensor Power Supply Voltage; DTC C1517: Torque Hold; DTC C1521: Short in Motor Circuit; DTC C1522: Power Supply Sensor; DTC C1523: Current Deviation Excessive; DTC C1528: Motor Rotation Angle Sensor; DTC C1531: ECU Malfunction; DTC C1532: ECU Malfunction; DTC C1533: Temperature Sensor Circuit is Low or High; DTC C1534: EEPROM; DTC C1555: Motor Relay Welding Failure [11/2018 - 02/2019]
C1515 Torque Sensor Zero Point Adjustment Undone This DTC is stored when torque sensor zero point calibration has not been performed. EPS warning light: Comes on Zero point calibration is performed or the ignition switch is turned to ON again There is no malfunction if this DTC is not output again after performing zero point calibration. Refer to DTC C1515: Torque Sensor Zero Point Adjustment Undone [11/2018 - 02/2019]
C1516 Torque Sensor Zero Point Adjustment Incomplete Torque sensor zero point calibration is incomplete due to the steering wheel being touched during calibration. EPS warning light: Comes on The DTC is cleared There is no malfunction if this DTC is not output again after clearing the DTC and torque sensor calibration value, and performing zero point calibration. Refer to DTC C1516: Torque Sensor Zero Point Adjustment Incomplete [11/2018 - 02/2019]
C1517 Torque Hold Torque sensor malfunction EPS warning light: Comes on Ignition switch is turned to ON again - Refer to DTC C1511: Torque Sensor1; DTC C1512: Torque Sensor2; DTC C1513: Torque Sensor Deviation Excessive; DTC C1514: Torque Sensor Power Supply Voltage; DTC C1517: Torque Hold; DTC C1521: Short in Motor Circuit; DTC C1522: Power Supply Sensor; DTC C1523: Current Deviation Excessive; DTC C1528: Motor Rotation Angle Sensor; DTC C1531: ECU Malfunction; DTC C1532: ECU Malfunction; DTC C1533: Temperature Sensor Circuit is Low or High; DTC C1534: EEPROM; DTC C1555: Motor Relay Welding Failure [11/2018 - 02/2019]
C1521 Short in Motor Circuit Motor overcurrent EPS warning light: Comes on Ignition switch is turned to ON again - Refer to DTC C1511: Torque Sensor1; DTC C1512: Torque Sensor2; DTC C1513: Torque Sensor Deviation Excessive; DTC C1514: Torque Sensor Power Supply Voltage; DTC C1517: Torque Hold; DTC C1521: Short in Motor Circuit; DTC C1522: Power Supply Sensor; DTC C1523: Current Deviation Excessive; DTC C1528: Motor Rotation Angle Sensor; DTC C1531: ECU Malfunction; DTC C1532: ECU Malfunction; DTC C1533: Temperature Sensor Circuit is Low or High; DTC C1534: EEPROM; DTC C1555: Motor Relay Welding Failure [11/2018 - 02/2019]
C1522 Power Supply Sensor Motor current sensor malfunction EPS warning light: Comes on Ignition switch is turned to ON again - Refer to DTC C1511: Torque Sensor1; DTC C1512: Torque Sensor2; DTC C1513: Torque Sensor Deviation Excessive; DTC C1514: Torque Sensor Power Supply Voltage; DTC C1517: Torque Hold; DTC C1521: Short in Motor Circuit; DTC C1522: Power Supply Sensor; DTC C1523: Current Deviation Excessive; DTC C1528: Motor Rotation Angle Sensor; DTC C1531: ECU Malfunction; DTC C1532: ECU Malfunction; DTC C1533: Temperature Sensor Circuit is Low or High; DTC C1534: EEPROM; DTC C1555: Motor Relay Welding Failure [11/2018 - 02/2019]
C1523 Current Deviation Excessive Excessively large current deviation EPS warning light: Comes on Ignition switch is turned to ON again - Refer to DTC C1511: Torque Sensor1; DTC C1512: Torque Sensor2; DTC C1513: Torque Sensor Deviation Excessive; DTC C1514: Torque Sensor Power Supply Voltage; DTC C1517: Torque Hold; DTC C1521: Short in Motor Circuit; DTC C1522: Power Supply Sensor; DTC C1523: Current Deviation Excessive; DTC C1528: Motor Rotation Angle Sensor; DTC C1531: ECU Malfunction; DTC C1532: ECU Malfunction; DTC C1533: Temperature Sensor Circuit is Low or High; DTC C1534: EEPROM; DTC C1555: Motor Relay Welding Failure [11/2018 - 02/2019]
C1528 Motor Rotation Angle Sensor Motor rotation angle sensor malfunction EPS warning light: Comes on Ignition switch is turned to ON again - Refer to DTC C1511: Torque Sensor1; DTC C1512: Torque Sensor2; DTC C1513: Torque Sensor Deviation Excessive; DTC C1514: Torque Sensor Power Supply Voltage; DTC C1517: Torque Hold; DTC C1521: Short in Motor Circuit; DTC C1522: Power Supply Sensor; DTC C1523: Current Deviation Excessive; DTC C1528: Motor Rotation Angle Sensor; DTC C1531: ECU Malfunction; DTC C1532: ECU Malfunction; DTC C1533: Temperature Sensor Circuit is Low or High; DTC C1534: EEPROM; DTC C1555: Motor Relay Welding Failure [11/2018 - 02/2019]
C1531 ECU Malfunction ECU internal malfunction (CPU malfunction) EPS warning light: Comes on Ignition switch is turned to ON again - Refer to DTC C1511: Torque Sensor1; DTC C1512: Torque Sensor2; DTC C1513: Torque Sensor Deviation Excessive; DTC C1514: Torque Sensor Power Supply Voltage; DTC C1517: Torque Hold; DTC C1521: Short in Motor Circuit; DTC C1522: Power Supply Sensor; DTC C1523: Current Deviation Excessive; DTC C1528: Motor Rotation Angle Sensor; DTC C1531: ECU Malfunction; DTC C1532: ECU Malfunction; DTC C1533: Temperature Sensor Circuit is Low or High; DTC C1534: EEPROM; DTC C1555: Motor Relay Welding Failure [11/2018 - 02/2019]
C1532 ECU Malfunction ECU internal malfunction (Peripheral circuit malfunction) EPS warning light: Comes on Ignition switch is turned to ON again - Refer to DTC C1511: Torque Sensor1; DTC C1512: Torque Sensor2; DTC C1513: Torque Sensor Deviation Excessive; DTC C1514: Torque Sensor Power Supply Voltage; DTC C1517: Torque Hold; DTC C1521: Short in Motor Circuit; DTC C1522: Power Supply Sensor; DTC C1523: Current Deviation Excessive; DTC C1528: Motor Rotation Angle Sensor; DTC C1531: ECU Malfunction; DTC C1532: ECU Malfunction; DTC C1533: Temperature Sensor Circuit is Low or High; DTC C1534: EEPROM; DTC C1555: Motor Relay Welding Failure [11/2018 - 02/2019]
C1533 Temperature Sensor Circuit is Low or High ECU internal malfunction (Substrate temperature sensor malfunction) EPS warning light: Comes on The ECU judges the system has returned to normal - Refer to DTC C1511: Torque Sensor1; DTC C1512: Torque Sensor2; DTC C1513: Torque Sensor Deviation Excessive; DTC C1514: Torque Sensor Power Supply Voltage; DTC C1517: Torque Hold; DTC C1521: Short in Motor Circuit; DTC C1522: Power Supply Sensor; DTC C1523: Current Deviation Excessive; DTC C1528: Motor Rotation Angle Sensor; DTC C1531: ECU Malfunction; DTC C1532: ECU Malfunction; DTC C1533: Temperature Sensor Circuit is Low or High; DTC C1534: EEPROM; DTC C1555: Motor Relay Welding Failure [11/2018 - 02/2019]
C1534 EEPROM ECU internal malfunction (EEPROM error) EPS warning light: Comes on Ignition switch is turned to ON again - Refer to DTC C1511: Torque Sensor1; DTC C1512: Torque Sensor2; DTC C1513: Torque Sensor Deviation Excessive; DTC C1514: Torque Sensor Power Supply Voltage; DTC C1517: Torque Hold; DTC C1521: Short in Motor Circuit; DTC C1522: Power Supply Sensor; DTC C1523: Current Deviation Excessive; DTC C1528: Motor Rotation Angle Sensor; DTC C1531: ECU Malfunction; DTC C1532: ECU Malfunction; DTC C1533: Temperature Sensor Circuit is Low or High; DTC C1534: EEPROM; DTC C1555: Motor Relay Welding Failure [11/2018 - 02/2019]
C1541 Vehicle Speed Signal A vehicle speed signal malfunction is detected EPS warning light: Comes on The ECU judges the system has returned to normal - Refer to DTC C1541: Vehicle Speed Signal [11/2018 - 02/2019]
C1551 IG Power Supply Voltage When the PIG power supply voltage is normal, the IG power supply voltage is 18.5 V or higher EPS warning light: Comes on The ECU judges the system has returned to normal - Refer to DTC C1551: IG Power Supply Voltage [11/2018 - 02/2019]
C1552 PIG Power Supply Voltage PIG power source circuit malfunction EPS warning light: Comes on Ignition switch is turned to ON again - Refer to DTC C1552: PIG Power Supply Voltage; DTC C1554: Power Supply Relay Failure [11/2018 - 02/2019]
C1554 Power Supply Relay Failure Power source relay circuit malfunction EPS warning light: Comes on Ignition switch is turned to ON again - Refer to DTC C1552: PIG Power Supply Voltage; DTC C1554: Power Supply Relay Failure [11/2018 - 02/2019]
C1555 Motor Relay Welding Failure Motor relay circuit malfunction EPS warning light: Comes on Ignition switch is turned to ON again - Refer to DTC C1511: Torque Sensor1; DTC C1512: Torque Sensor2; DTC C1513: Torque Sensor Deviation Excessive; DTC C1514: Torque Sensor Power Supply Voltage; DTC C1517: Torque Hold; DTC C1521: Short in Motor Circuit; DTC C1522: Power Supply Sensor; DTC C1523: Current Deviation Excessive; DTC C1528: Motor Rotation Angle Sensor; DTC C1531: ECU Malfunction; DTC C1532: ECU Malfunction; DTC C1533: Temperature Sensor Circuit is Low or High; DTC C1534: EEPROM; DTC C1555: Motor Relay Welding Failure [11/2018 - 02/2019]
C1567 Error in Matching of ECUs for Gasoline Model: 
  • An incompatible ECM is detected
  • An incompatible main body ECU (multiplex network body ECU) is detected
  • An incompatible skid control ECU (Brake actuator assembly) is detected

for HV Model: 
  • An incompatible hybrid vehicle control ECU assembly is detected
  • An incompatible main body ECU (multiplex network body ECU) is detected
  • An incompatible skid control ECU (brake booster with master cylinder assembly) is detected
 EPS warning light: Comes on Ignition switch is turned to ON again - Refer to DTC C1567: Error in Matching of ECUs [11/2018 - 02/2019]
C1581 Assist Map Number Un-Writing Assist map not written in power steering ECU (rack and pinion power steering gear assembly) EPS warning light: Comes on Assist Map Writing is performed - Refer to DTC C1581: Assist Map Number Un-Writing [11/2018 - 02/2019]
C1582 Assist Map Number Mismatch Assist map number mismatch EPS warning light: Does not come on Ignition switch is turned to ON again - Refer to DTC C1582: Assist Map Number Mismatch [11/2018 - 02/2019]
U0100 Lost Communication with ECM / PCM "A" Lost communication with ECM EPS warning light: 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. The ECU judges the system has returned to normal - Refer to DTC U0100: Lost Communication with ECM / PCM "A"; DTC U0126: Lost Communication With Steering Angle Sensor Module; DTC U0129: Lost Communication with Brake System Control Module; DTC U023A: Lost Communication with Front Camera Module; DTC U0293: Lost Communication With Hybrid Powertrain Control Module [11/2018 - 02/2019]
U0126 Lost Communication With Steering Angle Sensor Module Lost communication with steering angle sensor EPS warning light: Comes on The ECU judges the system has returned to normal - Refer to DTC U0100: Lost Communication with ECM / PCM "A"; DTC U0126: Lost Communication With Steering Angle Sensor Module; DTC U0129: Lost Communication with Brake System Control Module; DTC U023A: Lost Communication with Front Camera Module; DTC U0293: Lost Communication With Hybrid Powertrain Control Module [11/2018 - 02/2019]
U0129 Lost Communication with Brake System Control Module for Gasoline Model: 
  1. Lost communication with skid control ECU (Brake actuator assembly)

for HV Model: 
  1. Lost communication with skid control ECU (Brake booster with master cylinder assembly)
 EPS warning light: Comes on The ECU judges the system has returned to normal - Refer to DTC U0100: Lost Communication with ECM / PCM "A"; DTC U0126: Lost Communication With Steering Angle Sensor Module; DTC U0129: Lost Communication with Brake System Control Module; DTC U023A: Lost Communication with Front Camera Module; DTC U0293: Lost Communication With Hybrid Powertrain Control Module [11/2018 - 02/2019]
U023A Lost Communication with Front Camera Module Lost communication with forward recognition camera EPS warning light: Does not come on The ECU judges the system has returned to normal - Refer to DTC U0100: Lost Communication with ECM / PCM "A"; DTC U0126: Lost Communication With Steering Angle Sensor Module; DTC U0129: Lost Communication with Brake System Control Module; DTC U023A: Lost Communication with Front Camera Module; DTC U0293: Lost Communication With Hybrid Powertrain Control Module [11/2018 - 02/2019]
U0293 Lost Communication With Hybrid Powertrain Control Module Lost communication with hybrid vehicle control ECU assembly EPS warning light: Does not come on The ECU judges the system has returned to normal or the power switch is turned on (IG) again - Refer to DTC U0100: Lost Communication with ECM / PCM "A"; DTC U0126: Lost Communication With Steering Angle Sensor Module; DTC U0129: Lost Communication with Brake System Control Module; DTC U023A: Lost Communication with Front Camera Module; DTC U0293: Lost Communication With Hybrid Powertrain Control Module [11/2018 - 02/2019]
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