LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Lexus >> 2021 >> RC 350 Base, AWD >> Repair and Diagnosis >> Accessories & Equipment >> Drivers Assistance Systems - ADAS >> Pre-Collision System - Diagnostics - Introduction >> Pre-Collision System >> Diagnostic Trouble Code Chart [09/2014 - 10/2015] >> Diagnostic Trouble Code Chart [09/2014 - 10/2015]
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Diagnostic Trouble Code Chart [09/2014 - 10/2015]

PRE-COLLISION SYSTEM

DTC No. Detection Item Link
C1A01 Driving Support ECU Refer to DTC C1A01: Driving Support ECU [09/2014 - 11/2017]
C1A02 Vehicle Information Not Obtained Refer to DTC C1A02: Vehicle Information Not Obtained [09/2014 - 11/2017]
C1A0A Front Radar Sensor Region Code Mismatch Refer to DTC C1A0A: Front Radar Sensor Region Code Mismatch [09/2014 - 11/2017]
C1A10 Front Radar Sensor Refer to DTC C1A10: Front Radar Sensor [09/2014 - 11/2017]
C1A11 Front Radar Sensor Incorrect Axial Gap Refer to DTC C1A11: Front Radar Sensor Incorrect Axial Gap; DTC C1A14: Front Radar Sensor Beam Axis Not Adjusted [09/2014 - 11/2017]
C1A14 Front Radar Sensor Beam Axis Not Adjusted Refer to DTC C1A11: Front Radar Sensor Incorrect Axial Gap; DTC C1A14: Front Radar Sensor Beam Axis Not Adjusted [09/2014 - 11/2017]
C1A40 ENG / EHV Device Refer to DTC C1A40: ENG / EHV Device [09/2014 - 10/2015]
C1A41 Brake Request Value Mismatch between ENG / EHV and Driving Support ECU Refer to DTC C1A41: Brake Request Value Mismatch between ENG / EHV and Driving Support ECU [09/2014 - 10/2015]
C1A46 Yaw Rate Sensor Refer to DTC C1A46: Yaw Rate Sensor [09/2014 - 11/2017]
C1A47 Steering Angle Sensor Refer to DTC C1A47: Steering Angle Sensor [09/2014 - 11/2017]
C1A4A Skid Control Buzzer Circuit Refer to DTC C1A4A: Skid Control Buzzer Circuit [09/2014 - 11/2017]
C1A4B Stop Light Relay Circuit Refer to DTC C1A4B: Stop Light Relay Circuit [09/2014 - 11/2017]
C1A50 Brake System Refer to DTC C1A50: Brake System [09/2014 - 11/2017]
U0100 Lost Communication with ECM / PCM "A" Refer to DTC U0100: Lost Communication with ECM / PCM "A"; 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; DTC U0142: Lost Communication with Body Control Module "B"; DTC U1002: Lost Communication with Gateway Module [09/2014 - 11/2017]
U0125 Lost Communication with Yaw Rate Sensor Module Refer to DTC U0100: Lost Communication with ECM / PCM "A"; 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; DTC U0142: Lost Communication with Body Control Module "B"; DTC U1002: Lost Communication with Gateway Module [09/2014 - 11/2017]
U0126 Lost Communication with Steering Angle Sensor Module Refer to DTC U0100: Lost Communication with ECM / PCM "A"; 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; DTC U0142: Lost Communication with Body Control Module "B"; DTC U1002: Lost Communication with Gateway Module [09/2014 - 11/2017]
U0129 Lost Communication with Brake System Control Module Refer to DTC U0100: Lost Communication with ECM / PCM "A"; 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; DTC U0142: Lost Communication with Body Control Module "B"; DTC U1002: Lost Communication with Gateway Module [09/2014 - 11/2017]
U0142 Lost Communication with Body Control Module "B" Refer to DTC U0100: Lost Communication with ECM / PCM "A"; 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; DTC U0142: Lost Communication with Body Control Module "B"; DTC U1002: Lost Communication with Gateway Module [09/2014 - 11/2017]
U0235 Lost Communication with Cruise Control Front Distance Range Sensor Refer to DTC U0235: Lost Communication with Cruise Control Front Distance Range Sensor; DTC U1104: Lost Communication with Driving Support ECU [09/2014 - 11/2017]
U1002 Lost Communication with Gateway Module Refer to DTC U0100: Lost Communication with ECM / PCM "A"; 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; DTC U0142: Lost Communication with Body Control Module "B"; DTC U1002: Lost Communication with Gateway Module [09/2014 - 11/2017]
U1104 Lost Communication with Driving Support ECU Refer to DTC U0235: Lost Communication with Cruise Control Front Distance Range Sensor; DTC U1104: Lost Communication with Driving Support ECU [09/2014 - 11/2017]