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Variable Gear Ratio Steering System

VARIABLE GEAR RATIO STEERING SYSTEM DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION [09/2015 - 08/2020]

DTC Code Detection Item Warning Indicate Return-to-normal Condition Proceed to
C1591/51 Actuator Neutral Position Calibration Undone Comes on Perform actuator angle neutral point calibration. Refer to DTC C1591/51: Actuator Neutral Position Calibration Undone [09/2015 - 08/2020]
C1592/52 Actuator Neutral Position Calibration Incomplete Comes on After clearing DTCs, perform actuator angle neutral point calibration. Refer to DTC C1592/52: Actuator Neutral Position Calibration Incomplete [09/2015 - 08/2020]
C1593/53 Actuator Standard Position Malfunction Comes on Engine switch on (IG) again Refer to DTC C1593/53: Actuator Standard Position Malfunction [09/2015 - 08/2020]
C1595/55 Lost Communication with Steering Angle Sensor Module Comes on Engine switch on (IG) again Refer to DTC C1595/55: Lost Communication with Steering Angle Sensor Module; DTC C15C4/68: Steering Angle Signal (Test Mode DTC) [09/2015 - 08/2020]
C15A1/61 Actuator Malfunction Comes on Engine switch on (IG) again Refer to DTC C15A1/61: Actuator Malfunction; DTC C15A2/62: Open in Motor Circuit; DTC C15A6/62: Actuator Motor Power Distribution Malfunction [09/2015 - 08/2020]
C15A2/62 Open in Motor Circuit Comes on Engine switch on (IG) again Refer to DTC C15A1/61: Actuator Malfunction; DTC C15A2/62: Open in Motor Circuit; DTC C15A6/62: Actuator Motor Power Distribution Malfunction [09/2015 - 08/2020]
C15A3/63 Motor Rotation Angle Not Detected Comes on Engine switch on (IG) again Refer to DTC C15A3/63: Motor Rotation Angle Not Detected; DTC C15C5/69: Motor Rotation Signal Not Detected [09/2015 - 08/2020]
C15A4/64 Motor Rotation Angle Malfunction Comes on Engine switch on (IG) again Refer to DTC C15A4/64: Motor Rotation Angle Malfunction; DTC C15A9/66: Lock Holder Deviation Detection; DTC C15AA/66: Lock Mechanism Release Incomplete; DTC C15AB/66: Lock Mechanism Insertion [09/2015 - 08/2020]
C15A5/65 Lock Mechanism Circuit Comes on Engine switch on (IG) again Refer to DTC C15A5/65: Lock Mechanism Circuit [09/2015 - 08/2020]
C15A6/62 Actuator Motor Power Distribution Malfunction Comes on Engine switch on (IG) again Refer to DTC C15A1/61: Actuator Malfunction; DTC C15A2/62: Open in Motor Circuit; DTC C15A6/62: Actuator Motor Power Distribution Malfunction [09/2015 - 08/2020]
C15A9/66 Lock Holder Deviation Detection Comes on After clearing DTCs, perform actuator angle neutral point calibration. Refer to DTC C15A4/64: Motor Rotation Angle Malfunction; DTC C15A9/66: Lock Holder Deviation Detection; DTC C15AA/66: Lock Mechanism Release Incomplete; DTC C15AB/66: Lock Mechanism Insertion [09/2015 - 08/2020]
C15AA/66 Lock Mechanism Release Incomplete Comes on After clearing DTCs, perform actuator angle neutral point calibration. Refer to DTC C15A4/64: Motor Rotation Angle Malfunction; DTC C15A9/66: Lock Holder Deviation Detection; DTC C15AA/66: Lock Mechanism Release Incomplete; DTC C15AB/66: Lock Mechanism Insertion [09/2015 - 08/2020]
C15AB/66 Lock Mechanism Insertion Comes on After clearing DTCs, perform actuator angle neutral point calibration. Refer to DTC C15A4/64: Motor Rotation Angle Malfunction; DTC C15A9/66: Lock Holder Deviation Detection; DTC C15AA/66: Lock Mechanism Release Incomplete; DTC C15AB/66: Lock Mechanism Insertion [09/2015 - 08/2020]
C15B1/71 ECU Malfunction (CPU) Comes on Engine switch on (IG) again Refer to DTC C15B1/71: ECU Malfunction (CPU) ; DTC C15B3/73: ECU Malfunction(Substrate Temperature Sensor); DTC C15B5/82: ECU Malfunction(Flash Memory); DTC C15B6/83: ECU Malfunction(EEPROM) [09/2015 - 08/2020]
C15B2/72 ECU Malfunction (Internal Line) Comes on Engine switch on (IG) again Refer to DTC C15B2/72: ECU Malfunction (Internal Line) [09/2015 - 08/2020]
C15B3/73 ECU Malfunction(Substrate Temperature Sensor) Does not come on Engine switch on (IG) again Refer to DTC C15B1/71: ECU Malfunction (CPU) ; DTC C15B3/73: ECU Malfunction(Substrate Temperature Sensor); DTC C15B5/82: ECU Malfunction(Flash Memory); DTC C15B6/83: ECU Malfunction(EEPROM) [09/2015 - 08/2020]
C15B4/71 ECU Malfunction (Actuator Angle Record) Comes on After clearing DTCs, perform actuator angle neutral point calibration. Refer to DTC C15B4/71: ECU Malfunction (Actuator Angle Record) [09/2015 - 08/2020]
C15B5/82 ECU Malfunction(Flash Memory) Comes on Engine switch on (IG) again Refer to DTC C15B1/71: ECU Malfunction (CPU) ; DTC C15B3/73: ECU Malfunction(Substrate Temperature Sensor); DTC C15B5/82: ECU Malfunction(Flash Memory); DTC C15B6/83: ECU Malfunction(EEPROM) [09/2015 - 08/2020]
C15B6/83 ECU Malfunction(EEPROM) Comes on Engine switch on (IG) again Refer to DTC C15B1/71: ECU Malfunction (CPU) ; DTC C15B3/73: ECU Malfunction(Substrate Temperature Sensor); DTC C15B5/82: ECU Malfunction(Flash Memory); DTC C15B6/83: ECU Malfunction(EEPROM) [09/2015 - 08/2020]
C15C1/74 Steering Angle Sensor Comes on Engine switch on (IG) again Refer to DTC C15C1/74: Steering Angle Sensor; DTC C15C2/74: Steering Angle Sensor B+ [09/2015 - 08/2020]
C15C2/74 Steering Angle Sensor B+ Comes on Engine switch on (IG) again Refer to DTC C15C1/74: Steering Angle Sensor; DTC C15C2/74: Steering Angle Sensor B+ [09/2015 - 08/2020]
C15C3/75 Brake System Control Module Comes on Engine switch on (IG) again Refer to DTC C15C3/75: Brake System Control Module; DTC C15CB/84: VSC System Malfunction [09/2015 - 08/2020]
C15C4/68 Steering Angle Signal (Test Mode DTC) - Test mode code Refer to DTC C1595/55: Lost Communication with Steering Angle Sensor Module; DTC C15C4/68: Steering Angle Signal (Test Mode DTC) [09/2015 - 08/2020]
C15C5/69 Motor Rotation Signal Not Detected - Test mode code Refer to DTC C15A3/63: Motor Rotation Angle Not Detected; DTC C15C5/69: Motor Rotation Signal Not Detected [09/2015 - 08/2020]
C15C6/77 IG Power Supply Voltage Comes on Engine switch on (IG) again Refer to DTC C15C6/77: IG Power Supply Voltage [09/2015 - 08/2020]
C15C7/78 DC Motor Power Source Voltage Comes on Engine switch on (IG) again Refer to DTC C15C7/78: DC Motor Power Source Voltage; DTC C15C8/79: Power Supply Relay Failure [09/2015 - 08/2020]
C15C8/79 Power Supply Relay Failure Comes on Engine switch on (IG) again Refer to DTC C15C7/78: DC Motor Power Source Voltage; DTC C15C8/79: Power Supply Relay Failure [09/2015 - 08/2020]
C15CB/84 VSC System Malfunction Comes on Engine switch on (IG) again Refer to DTC C15C3/75: Brake System Control Module; DTC C15CB/84: VSC System Malfunction [09/2015 - 08/2020]
U0100/56 Lost Communication with ECM / PCM "A" Comes on Engine switch on (IG) again Refer to DTC U0100/56: Lost Communication with ECM / PCM "A"; DTC U0101/56: Lost Communication with TCM; DTC U0125/56: Lost Communication with Yaw Rate Sensor Module; DTC U0126/56: Lost Communication with Steering Angle Sensor Module; DTC U0129/56: Lost Communication with Brake System Control Module [09/2015 - 08/2020]
U0101/56 Lost Communication with TCM Comes on Engine switch on (IG) again Refer to DTC U0100/56: Lost Communication with ECM / PCM "A"; DTC U0101/56: Lost Communication with TCM; DTC U0125/56: Lost Communication with Yaw Rate Sensor Module; DTC U0126/56: Lost Communication with Steering Angle Sensor Module; DTC U0129/56: Lost Communication with Brake System Control Module [09/2015 - 08/2020]
U0125/56 Lost Communication with Yaw Rate Sensor Module Comes on Engine switch on (IG) again Refer to DTC U0100/56: Lost Communication with ECM / PCM "A"; DTC U0101/56: Lost Communication with TCM; DTC U0125/56: Lost Communication with Yaw Rate Sensor Module; DTC U0126/56: Lost Communication with Steering Angle Sensor Module; DTC U0129/56: Lost Communication with Brake System Control Module [09/2015 - 08/2020]
U0126/56 Lost Communication with Steering Angle Sensor Module Comes on Engine switch on (IG) again Refer to DTC U0100/56: Lost Communication with ECM / PCM "A"; DTC U0101/56: Lost Communication with TCM; DTC U0125/56: Lost Communication with Yaw Rate Sensor Module; DTC U0126/56: Lost Communication with Steering Angle Sensor Module; DTC U0129/56: Lost Communication with Brake System Control Module [09/2015 - 08/2020]
U0129/56 Lost Communication with Brake System Control Module Comes on Engine switch on (IG) again Refer to DTC U0100/56: Lost Communication with ECM / PCM "A"; DTC U0101/56: Lost Communication with TCM; DTC U0125/56: Lost Communication with Yaw Rate Sensor Module; DTC U0126/56: Lost Communication with Steering Angle Sensor Module; DTC U0129/56: Lost Communication with Brake System Control Module [09/2015 - 08/2020]
VARIABLE GEAR RATIO STEERING SYSTEM DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION [08/2020 - ]

DTC Code Detection Item Warning Indicate Return-to-normal Condition Proceed to
C1591 Actuator Neutral Position Calibration Undone Comes on Perform actuator angle neutral point calibration. Refer to DTC C1591: Actuator Neutral Position Calibration Undone [08/2020 - ]
C1592 Actuator Neutral Position Calibration Incomplete Comes on After clearing DTCs, perform actuator angle neutral point calibration. Refer to DTC C1592: Actuator Neutral Position Calibration Incomplete [08/2020 - ]
C1593 Actuator Standard Position Comes on Engine switch on (IG) again Refer to DTC C1593: Actuator Standard Position [08/2020 - ]
C1595 Lost Communication with Steering Angle Sensor Module(SIL) Comes on Engine switch on (IG) again Refer to DTC C1595: Lost Communication with Steering Angle Sensor Module(SIL); DTC C15C4: Steering Signal Not Detected [08/2020 - ]
C15A1 Short in Motor Circuit Comes on Engine switch on (IG) again Refer to DTC C15A1: Short in Motor Circuit; DTC C15A2: Open in Motor Circuit; DTC C15A6: Actuator Motor Power Distribution Malfunction [08/2020 - ]
C15A2 Open in Motor Circuit Comes on Engine switch on (IG) again Refer to DTC C15A1: Short in Motor Circuit; DTC C15A2: Open in Motor Circuit; DTC C15A6: Actuator Motor Power Distribution Malfunction [08/2020 - ]
C15A3 Motor Rotation Angle Not Detected Comes on Engine switch on (IG) again Refer to DTC C15A3: Motor Rotation Angle Not Detected; DTC C15C5: Motor Rotation Signal Not Detected [08/2020 - ]
C15A4 Motor Rotation Angle Malfunction Comes on Engine switch on (IG) again Refer to DTC C15A4: Motor Rotation Angle Malfunction; DTC C15A9: Lock Holder Deviation Detection; DTC C15AA: Lock Mechanism Release Incomplete; DTC C15AB: Lock Mechanism Insertion [08/2020 - ]
C15A5 Lock Mechanism Circuit Comes on Engine switch on (IG) again Refer to DTC C15A5: Lock Mechanism Circuit [08/2020 - ]
C15A6 Actuator Motor Power Distribution Malfunction Comes on Engine switch on (IG) again Refer to DTC C15A1: Short in Motor Circuit; DTC C15A2: Open in Motor Circuit; DTC C15A6: Actuator Motor Power Distribution Malfunction [08/2020 - ]
C15A9 Lock Holder Deviation Detection Comes on After clearing DTCs, perform actuator angle neutral point calibration. Refer to DTC C15A4: Motor Rotation Angle Malfunction; DTC C15A9: Lock Holder Deviation Detection; DTC C15AA: Lock Mechanism Release Incomplete; DTC C15AB: Lock Mechanism Insertion [08/2020 - ]
C15AA Lock Mechanism Release Incomplete Comes on After clearing DTCs, perform actuator angle neutral point calibration. Refer to DTC C15A4: Motor Rotation Angle Malfunction; DTC C15A9: Lock Holder Deviation Detection; DTC C15AA: Lock Mechanism Release Incomplete; DTC C15AB: Lock Mechanism Insertion [08/2020 - ]
C15AB Lock Mechanism Insertion Comes on After clearing DTCs, perform actuator angle neutral point calibration. Refer to DTC C15A4: Motor Rotation Angle Malfunction; DTC C15A9: Lock Holder Deviation Detection; DTC C15AA: Lock Mechanism Release Incomplete; DTC C15AB: Lock Mechanism Insertion [08/2020 - ]
C15B1 ECU Malfunction (CPU) Comes on Engine switch on (IG) again Refer to DTC C15B1: ECU Malfunction (CPU) ; DTC C15B3: ECU Malfunction(Substrate Temperature Sensor); DTC C15B5: ECU Malfunction(Flash Memory); DTC C15B6: ECU Malfunction(EEPROM) [08/2020 - ]
C15B2 ECU Malfunction (Internal Line) Comes on Engine switch on (IG) again Refer to DTC C15B2: ECU Malfunction (Internal Line) [08/2020 - ]
C15B3 ECU Malfunction(Substrate Temperature Sensor) Does not come on Engine switch on (IG) again Refer to DTC C15B1: ECU Malfunction (CPU) ; DTC C15B3: ECU Malfunction(Substrate Temperature Sensor); DTC C15B5: ECU Malfunction(Flash Memory); DTC C15B6: ECU Malfunction(EEPROM) [08/2020 - ]
C15B4 ECU Malfunction (Actuator Angle Record) Comes on After clearing DTCs, perform actuator angle neutral point calibration. Refer to DTC C15B4: ECU Malfunction (Actuator Angle Record) [08/2020 - ]
C15B5 ECU Malfunction(Flash Memory) Comes on Engine switch on (IG) again Refer to DTC C15B1: ECU Malfunction (CPU) ; DTC C15B3: ECU Malfunction(Substrate Temperature Sensor); DTC C15B5: ECU Malfunction(Flash Memory); DTC C15B6: ECU Malfunction(EEPROM) [08/2020 - ]
C15B6 ECU Malfunction(EEPROM) Comes on Engine switch on (IG) again Refer to DTC C15B1: ECU Malfunction (CPU) ; DTC C15B3: ECU Malfunction(Substrate Temperature Sensor); DTC C15B5: ECU Malfunction(Flash Memory); DTC C15B6: ECU Malfunction(EEPROM) [08/2020 - ]
C15C1 Steering Angle Sensor Comes on Engine switch on (IG) again Refer to DTC C15C1: Steering Angle Sensor; DTC C15C2: Steering Angle Sensor B+ [08/2020 - ]
C15C2 Steering Angle Sensor B+ Comes on Engine switch on (IG) again Refer to DTC C15C1: Steering Angle Sensor; DTC C15C2: Steering Angle Sensor B+ [08/2020 - ]
C15C3 Brake System Control Module Comes on Engine switch on (IG) again Refer to DTC C15C3: Brake System Control Module; DTC C15CB: VSC System Malfunction [08/2020 - ]
C15C4 Steering Signal Not Detected - Test mode code Refer to DTC C1595: Lost Communication with Steering Angle Sensor Module(SIL); DTC C15C4: Steering Signal Not Detected [08/2020 - ]
C15C5 Motor Rotation Signal Not Detected - Test mode code Refer to DTC C15A3: Motor Rotation Angle Not Detected; DTC C15C5: Motor Rotation Signal Not Detected [08/2020 - ]
C15C6 IG Power Supply Voltage Comes on Engine switch on (IG) again Refer to DTC C15C6: IG Power Supply Voltage [08/2020 - ]
C15C7 DC Motor Power Source Voltage Comes on Engine switch on (IG) again Refer to DTC C15C7: DC Motor Power Source Voltage; DTC C15C8: DC Motor Power Source Voltage(ECU Start-up) [08/2020 - ]
C15C8 DC Motor Power Source Voltage(ECU Start-up) Comes on Engine switch on (IG) again Refer to DTC C15C7: DC Motor Power Source Voltage; DTC C15C8: DC Motor Power Source Voltage(ECU Start-up) [08/2020 - ]
C15CB VSC System Malfunction Comes on Engine switch on (IG) again Refer to DTC C15C3: Brake System Control Module; DTC C15CB: VSC System Malfunction [08/2020 - ]
U0100 Lost Communication with ECM/PCM "A" Comes on Engine switch on (IG) again Refer to DTC U0100: Lost Communication with ECM/PCM "A"; DTC U0101: Lost Communication with TCM; DTC U0125: Lost Communication with Yaw Rate Sensor Module; DTC U0126: Lost Communication with Steering Angle Sensor Module; DTC U0129: Lost Communication with Brake System Control Module [08/2020 - ]
U0101 Lost Communication with TCM Comes on Engine switch on (IG) again Refer to DTC U0100: Lost Communication with ECM/PCM "A"; DTC U0101: Lost Communication with TCM; DTC U0125: Lost Communication with Yaw Rate Sensor Module; DTC U0126: Lost Communication with Steering Angle Sensor Module; DTC U0129: Lost Communication with Brake System Control Module [08/2020 - ]
U0125 Lost Communication with Yaw Rate Sensor Module Comes on Engine switch on (IG) again Refer to DTC U0100: Lost Communication with ECM/PCM "A"; DTC U0101: Lost Communication with TCM; DTC U0125: Lost Communication with Yaw Rate Sensor Module; DTC U0126: Lost Communication with Steering Angle Sensor Module; DTC U0129: Lost Communication with Brake System Control Module [08/2020 - ]
U0126 Lost Communication with Steering Angle Sensor Module Comes on Engine switch on (IG) again Refer to DTC U0100: Lost Communication with ECM/PCM "A"; DTC U0101: Lost Communication with TCM; DTC U0125: Lost Communication with Yaw Rate Sensor Module; DTC U0126: Lost Communication with Steering Angle Sensor Module; DTC U0129: Lost Communication with Brake System Control Module [08/2020 - ]
U0129 Lost Communication with Brake System Control Module Comes on Engine switch on (IG) again Refer to DTC U0100: Lost Communication with ECM/PCM "A"; DTC U0101: Lost Communication with TCM; DTC U0125: Lost Communication with Yaw Rate Sensor Module; DTC U0126: Lost Communication with Steering Angle Sensor Module; DTC U0129: Lost Communication with Brake System Control Module [08/2020 - ]
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