Diagnostic Trouble Code Chart [12/2017 - 09/2018]

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	Engine switch on (IG) 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 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 [12/2017 - 10/2023]
C1512	Torque Sensor2	Torque sensor malfunction	EPS warning light: Comes on	Engine switch on (IG) 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 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 [12/2017 - 10/2023]
C1513	Torque Sensor Deviation Excessive	Torque sensor malfunction	EPS warning light: Comes on	Engine switch on (IG) 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 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 [12/2017 - 10/2023]
C1514	Torque Sensor Power Supply Voltage	Torque sensor malfunction	EPS warning light: Comes on	Engine switch on (IG) 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 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 [12/2017 - 10/2023]
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	Engine switch on (IG) again after performing zero point calibration.	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 [12/2017 - 10/2023]
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	After DTCs are 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 [12/2017 - 10/2023]
C1521	Short in Motor Circuit	Motor overcurrent	EPS warning light: Comes on	Engine switch on (IG) 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 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 [12/2017 - 10/2023]
C1522	Power Supply Sensor	Motor current sensor malfunction	EPS warning light: Comes on	Engine switch on (IG) 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 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 [12/2017 - 10/2023]
C1523	Current Deviation Excessive	Excessively large current deviation	EPS warning light: Comes on	Engine switch on (IG) 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 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 [12/2017 - 10/2023]
C1528	Motor Rotation Angle Sensor	Motor rotation angle sensor malfunction	EPS warning light: Comes on	Engine switch on (IG) 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 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 [12/2017 - 10/2023]
C1531	ECU Malfunction	ECU internal malfunction (CPU malfunction)	EPS warning light: Comes on	Engine switch on (IG) 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 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 [12/2017 - 10/2023]
C1532	ECU Malfunction	ECU internal malfunction (Peripheral circuit malfunction)	EPS warning light: Comes on	Engine switch on (IG) 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 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 [12/2017 - 10/2023]
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 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 [12/2017 - 10/2023]
C1534	EEPROM	ECU internal malfunction (EEPROM error)	EPS warning light: Comes on	Engine switch on (IG) 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 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 [12/2017 - 10/2023]
C1541	Vehicle Speed Signal	A vehicle speed signal malfunction.	EPS warning light: Comes on	The ECU judges the system has returned to normal	-	Refer to DTC C1541: Vehicle Speed Signal [12/2017 - 10/2023]
C1548	Active Steering Control Malfunction	There is an active steering control malfunction.	EPS warning light: Comes on	Engine switch on (IG) again	-	Refer to DTC C1548: Active Steering Control Malfunction [12/2017 - 10/2023]
C1551	IG Power Supply Voltage	When the PIG power supply voltage is normal and 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 [12/2017 - 10/2023]
C1552	PIG Power Supply Voltage	PIG power source circuit malfunction	EPS warning light: Comes on	Engine switch on (IG) again	-	Refer to DTC C1552: PIG Power Supply Voltage; DTC C1554: Power Supply Relay Failure [12/2017 - 10/2023]
C1554	Power Supply Relay Failure	Power source relay circuit malfunction	EPS warning light: Comes on	Engine switch on (IG) again	-	Refer to DTC C1552: PIG Power Supply Voltage; DTC C1554: Power Supply Relay Failure [12/2017 - 10/2023]
C1555	Motor Relay Welding Failure	Motor relay circuit malfunction	EPS warning light: Comes on	Engine switch on (IG) 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 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 [12/2017 - 10/2023]
C1567	Error in Matching of ECUs	HV/Conventional identification malfunction An incompatible steering sensor is detected An incompatible skid control ECU (brake actuator assembly) is detected (w/ Vacuum Brake Booster) An incompatible skid control ECU assembly is detected (w/o Vacuum Brake Booster) An incompatible VGRS ECU (front steering control ECU) is detected (w/ Variable Gear Ratio Steering System)	EPS warning light: Comes on	Engine switch on (IG) again	-	Refer to DTC C1567: Error in Matching of ECUs [12/2017 - 10/2023]
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 [12/2017 - 10/2023]
C1582	Assist Map Number Mismatch	Assist map number mismatch	EPS warning light: Does not come on	Engine switch on (IG) again	-	Refer to DTC C1582: Assist Map Number Mismatch [12/2017 - 10/2023]
U0100	Lost Communication with ECM / PCM "A"	Lost communication with ECM	EPS warning light: Does not come on	After the CAN communication returns 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 U0130: Lost Communication with Steering Effort Control Module; DTC U0134: Lost Communication with DRS Module; DTC U023A: Lost Communication with Front Camera Module; DTC U1104: Lost Communication with Driving Support ECU [12/2017 - 09/2018]
U0126	Lost Communication with Steering Angle Sensor Module	Lost communication with steering sensor	EPS warning light: Comes on	After the CAN communication returns 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 U0130: Lost Communication with Steering Effort Control Module; DTC U0134: Lost Communication with DRS Module; DTC U023A: Lost Communication with Front Camera Module; DTC U1104: Lost Communication with Driving Support ECU [12/2017 - 09/2018]
U0129	Lost Communication with Brake System Control Module	Lost communication with skid control ECU (brake actuator assembly) (w/ Vacuum Brake Booster) Lost communication with skid control ECU assembly (w/o Vacuum Brake Booster)	EPS warning light: Comes on	After the CAN communication returns 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 U0130: Lost Communication with Steering Effort Control Module; DTC U0134: Lost Communication with DRS Module; DTC U023A: Lost Communication with Front Camera Module; DTC U1104: Lost Communication with Driving Support ECU [12/2017 - 09/2018]
U0130	Lost Communication with Steering Effort Control Module	Lost communication with VGRS ECU (front steering control ECU)	EPS warning light: Comes on	After the CAN communication returns to normal	w/ Variable Gear Ratio Steering System	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 U0130: Lost Communication with Steering Effort Control Module; DTC U0134: Lost Communication with DRS Module; DTC U023A: Lost Communication with Front Camera Module; DTC U1104: Lost Communication with Driving Support ECU [12/2017 - 09/2018]
U0134	Lost Communication with DRS Module	Lost communication with DRS ECU (rear steering control ECU)	EPS warning light: Does not come on	After the CAN communication returns to normal	w/ Variable Gear Ratio Steering System	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 U0130: Lost Communication with Steering Effort Control Module; DTC U0134: Lost Communication with DRS Module; DTC U023A: Lost Communication with Front Camera Module; DTC U1104: Lost Communication with Driving Support ECU [12/2017 - 09/2018]
U023A	Lost Communication with Front Camera Module	Lost communication with forward recognition camera (for Mono Camera Type) Lost communication with object recognition camera (for Stereo Camera Type)	EPS warning light: Does not come on	After the CAN communication returns 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 U0130: Lost Communication with Steering Effort Control Module; DTC U0134: Lost Communication with DRS Module; DTC U023A: Lost Communication with Front Camera Module; DTC U1104: Lost Communication with Driving Support ECU [12/2017 - 09/2018]
U1104	Lost Communication with Driving Support ECU	Lost communication with driving support ECU assembly	EPS warning light: Does not come on	After the CAN communication returns 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 U0130: Lost Communication with Steering Effort Control Module; DTC U0134: Lost Communication with DRS Module; DTC U023A: Lost Communication with Front Camera Module; DTC U1104: Lost Communication with Driving Support ECU [12/2017 - 09/2018]