LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Lexus >> 2024 >> LS 500 Base, RWD >> Repair and Diagnosis >> Steering >> Power Steering >> Dynamic Rear Steering System - Diagnostics - Introduction >> Dynamic Rear Steering System >> Diagnostic Trouble Code Chart [12/2017 - 10/2023] >> Diagnostic Trouble Code Chart [12/2017 - 10/2023]
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Diagnostic Trouble Code Chart [12/2017 - 10/2023]

DYNAMIC REAR STEERING SYSTEM

DTC No. Detection Item Warning Indicate Return-to-normal Condition Link
C1597 Lost Communication between VGRS and DRS Comes on Engine switch on (IG) again Refer to DTC C1597: Lost Communication between VGRS and DRS [12/2017 - 10/2023]
C1B01 Actuator Angle Neutral Memorization Undone Comes on Perform actuator angle neutral position calibration. Refer to DTC C1B01: Actuator Angle Neutral Memorization Undone; DTC C1B02: Actuator Angle Neutral Memorization Incomplete [12/2017 - 10/2023]
C1B02 Actuator Angle Neutral Memorization Incomplete Comes on After clearing DTCs, perform actuator angle neutral position calibration. Refer to DTC C1B01: Actuator Angle Neutral Memorization Undone; DTC C1B02: Actuator Angle Neutral Memorization Incomplete [12/2017 - 10/2023]
C1B03 Actuator Angle Neutral Malfunction Comes on Engine switch on (IG) again Refer to DTC C1B03: Actuator Angle Neutral Malfunction [12/2017 - 10/2023]
C1B04 Motor Rotation Angle Sensor Calibration Undone Comes on Perform actuator angle neutral position calibration. Refer to DTC C1B04: Motor Rotation Angle Sensor Calibration Undone; DTC C1B05: Motor Rotation Angle Sensor Calibration Malfunction [12/2017 - 10/2023]
C1B05 Motor Rotation Angle Sensor Calibration Malfunction Comes on Engine switch on (IG) again Refer to DTC C1B04: Motor Rotation Angle Sensor Calibration Undone; DTC C1B05: Motor Rotation Angle Sensor Calibration Malfunction [12/2017 - 10/2023]
C1B11 Short in Motor Circuit Comes on Engine switch on (IG) again Refer to DTC C1B11: Short in Motor Circuit; DTC C1B12: Open in Motor Circuit [12/2017 - 10/2023]
C1B12 Open in Motor Circuit Comes on Engine switch on (IG) again Refer to DTC C1B11: Short in Motor Circuit; DTC C1B12: Open in Motor Circuit [12/2017 - 10/2023]
C1B13 Motor Rotation Angle Not Detected Comes on Engine switch on (IG) again Refer to DTC C1B13: Motor Rotation Angle Not Detected [12/2017 - 10/2023]
C1B14 Stroke Sensor Circuit Comes on Engine switch on (IG) again Refer to DTC C1B14: Stroke Sensor Circuit; DTC C1B24: Stroke Sensor(Actuator Angle Indeterminate) [12/2017 - 10/2023]
C1B15 Motor Rotation Angle Malfunction Comes on Engine switch on (IG) again Refer to DTC C1B15: Motor Rotation Angle Malfunction [12/2017 - 10/2023]
C1B17 Motor Rotation Angle Mismatch(Stroke Sensor) Comes on Engine switch on (IG) again Refer to DTC C1B17: Motor Rotation Angle Mismatch(Stroke Sensor) [12/2017 - 10/2023]
C1B18 Direct Advance Wheel Angle Standard Deviation Detect Comes on Engine switch on (IG) again Refer to DTC C1B18: Direct Advance Wheel Angle Standard Deviation Detect [12/2017 - 10/2023]
C1B21 ECU Malfunction(CPU) Comes on Engine switch on (IG) again Refer to DTC C1B21: ECU Malfunction(CPU); DTC C1B22: ECU Malfunction(Internal Line); DTC C1B23: ECU Malfunction(Substrate Temperature Sensor); DTC C1B25: ECU Malfunction(Flash Memory) [12/2017 - 10/2023]
C1B22 ECU Malfunction(Internal Line) Comes on Engine switch on (IG) again Refer to DTC C1B21: ECU Malfunction(CPU); DTC C1B22: ECU Malfunction(Internal Line); DTC C1B23: ECU Malfunction(Substrate Temperature Sensor); DTC C1B25: ECU Malfunction(Flash Memory) [12/2017 - 10/2023]
C1B23 ECU Malfunction(Substrate Temperature Sensor) Comes on Engine switch on (IG) again Refer to DTC C1B21: ECU Malfunction(CPU); DTC C1B22: ECU Malfunction(Internal Line); DTC C1B23: ECU Malfunction(Substrate Temperature Sensor); DTC C1B25: ECU Malfunction(Flash Memory) [12/2017 - 10/2023]
C1B24 Stroke Sensor(Actuator Angle Indeterminate) Comes on Engine switch on (IG) again Refer to DTC C1B14: Stroke Sensor Circuit; DTC C1B24: Stroke Sensor(Actuator Angle Indeterminate) [12/2017 - 10/2023]
C1B25 ECU Malfunction(Flash Memory) Comes on Engine switch on (IG) again Refer to DTC C1B21: ECU Malfunction(CPU); DTC C1B22: ECU Malfunction(Internal Line); DTC C1B23: ECU Malfunction(Substrate Temperature Sensor); DTC C1B25: ECU Malfunction(Flash Memory) [12/2017 - 10/2023]
C1B26 Motor Power Supply Voltage Circuit(ECU Start-up) Comes on Engine switch on (IG) again Refer to DTC C1B26: Motor Power Supply Voltage Circuit(ECU Start-up); DTC C1B2A: Motor Power Supply Voltage Circuit [12/2017 - 10/2023]
C1B29 IG Power Supply Voltage Circuit Comes on Engine switch on (IG) again Refer to DTC C1B29: IG Power Supply Voltage Circuit [12/2017 - 10/2023]
C1B2A Motor Power Supply Voltage Circuit Comes on Engine switch on (IG) again Refer to DTC C1B26: Motor Power Supply Voltage Circuit(ECU Start-up); DTC C1B2A: Motor Power Supply Voltage Circuit [12/2017 - 10/2023]
U0100 Lost Communication with ECM / PCM "A" Comes on
  • The system recovers from the communication stop
  • Turn the engine switch on (IG) again
Refer to DTC U0100: Lost Communication with ECM / PCM "A"; DTC U0129: Lost Communication with Brake System Control Module; DTC U0130: Lost Communication with Steering Effort Control Module [12/2017 - 10/2023]
U0129 Lost Communication with Brake System Control Module Comes on
  • The system recovers from the communication stop
  • Turn the engine switch on (IG) again
Refer to DTC U0100: Lost Communication with ECM / PCM "A"; DTC U0129: Lost Communication with Brake System Control Module; DTC U0130: Lost Communication with Steering Effort Control Module [12/2017 - 10/2023]
U0130 Lost Communication with Steering Effort Control Module Comes on
  • The system recovers from the communication stop
  • Turn the engine switch on (IG) again
Refer to DTC U0100: Lost Communication with ECM / PCM "A"; DTC U0129: Lost Communication with Brake System Control Module; DTC U0130: Lost Communication with Steering Effort Control Module [12/2017 - 10/2023]