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Diagnostic Trouble Code Chart [08/2019 - ]

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2022 Lexus RX 450hL, 2022 Lexus RX 450h, 2021 Lexus RX 450hL, 2021 Lexus RX 450h, and 2020 Lexus RX 450hL. However, it is still accessible from the selected car via links, so may be relevant.
FRONT CAMERA SYSTEM

DTC No. Detection Item Link
C1000-1C Control Module Internal Temperature Sensor "A" Circuit Circuit Voltage Out of Range Refer to DTC C1000-1C: Control Module Internal Temperature Sensor "A" Circuit Circuit Voltage Out of Range; DTC C1005-1C: Control Module Internal Temperature Sensor "B" Circuit Circuit Voltage Out of Range; DTC C100A-62: Control Module Internal Temperature Sensor A/B Correlation Signal Compare Failure; DTC C1A93-46: Main Microcomputer in Front Recognition Camera Calibration/Parameter Memory Failure; DTC C1A94-45: Image Processing Microcomputer in Front Recognition Camera Program Memory Failure; DTC C1A94-47: Image Processing Microcomputer in Front Recognition Camera Watchdog/Safety MCU Failure; DTC C1A94-87: Image Processing Microcomputer to Main Microcomputer in Front Recognition Camera Missing Message; DTC C1A95-00: Image Processing Module Malfunction in Front Recognition Camera; DTC C1A96-1C: Power Supply Circuit in Front Recognition Camera Circuit Voltage Out of Range [08/2019 - ]
C1005-1C Control Module Internal Temperature Sensor "B" Circuit Circuit Voltage Out of Range Refer to DTC C1000-1C: Control Module Internal Temperature Sensor "A" Circuit Circuit Voltage Out of Range; DTC C1005-1C: Control Module Internal Temperature Sensor "B" Circuit Circuit Voltage Out of Range; DTC C100A-62: Control Module Internal Temperature Sensor A/B Correlation Signal Compare Failure; DTC C1A93-46: Main Microcomputer in Front Recognition Camera Calibration/Parameter Memory Failure; DTC C1A94-45: Image Processing Microcomputer in Front Recognition Camera Program Memory Failure; DTC C1A94-47: Image Processing Microcomputer in Front Recognition Camera Watchdog/Safety MCU Failure; DTC C1A94-87: Image Processing Microcomputer to Main Microcomputer in Front Recognition Camera Missing Message; DTC C1A95-00: Image Processing Module Malfunction in Front Recognition Camera; DTC C1A96-1C: Power Supply Circuit in Front Recognition Camera Circuit Voltage Out of Range [08/2019 - ]
C100A-62 Control Module Internal Temperature Sensor A/B Correlation Signal Compare Failure Refer to DTC C1000-1C: Control Module Internal Temperature Sensor "A" Circuit Circuit Voltage Out of Range; DTC C1005-1C: Control Module Internal Temperature Sensor "B" Circuit Circuit Voltage Out of Range; DTC C100A-62: Control Module Internal Temperature Sensor A/B Correlation Signal Compare Failure; DTC C1A93-46: Main Microcomputer in Front Recognition Camera Calibration/Parameter Memory Failure; DTC C1A94-45: Image Processing Microcomputer in Front Recognition Camera Program Memory Failure; DTC C1A94-47: Image Processing Microcomputer in Front Recognition Camera Watchdog/Safety MCU Failure; DTC C1A94-87: Image Processing Microcomputer to Main Microcomputer in Front Recognition Camera Missing Message; DTC C1A95-00: Image Processing Module Malfunction in Front Recognition Camera; DTC C1A96-1C: Power Supply Circuit in Front Recognition Camera Circuit Voltage Out of Range [08/2019 - ]
C1A4A-12 Buzzer Circuit Short to Battery Refer to DTC C1A4A-12: Buzzer Circuit Short to Battery [08/2019 - ]
C1A4A-14 Buzzer Circuit Short to Ground or Open Refer to DTC C1A4A-14: Buzzer Circuit Short to Ground or Open [08/2019 - ]
C1A75-87 Steering Vibrator System Missing Message Refer to DTC C1A75-87: Steering Vibrator System Missing Message [08/2019 - ]
C1A93-46 Main Microcomputer in Front Recognition Camera Calibration/Parameter Memory Failure Refer to DTC C1000-1C: Control Module Internal Temperature Sensor "A" Circuit Circuit Voltage Out of Range; DTC C1005-1C: Control Module Internal Temperature Sensor "B" Circuit Circuit Voltage Out of Range; DTC C100A-62: Control Module Internal Temperature Sensor A/B Correlation Signal Compare Failure; DTC C1A93-46: Main Microcomputer in Front Recognition Camera Calibration/Parameter Memory Failure; DTC C1A94-45: Image Processing Microcomputer in Front Recognition Camera Program Memory Failure; DTC C1A94-47: Image Processing Microcomputer in Front Recognition Camera Watchdog/Safety MCU Failure; DTC C1A94-87: Image Processing Microcomputer to Main Microcomputer in Front Recognition Camera Missing Message; DTC C1A95-00: Image Processing Module Malfunction in Front Recognition Camera; DTC C1A96-1C: Power Supply Circuit in Front Recognition Camera Circuit Voltage Out of Range [08/2019 - ]
C1A94-45 Image Processing Microcomputer in Front Recognition Camera Program Memory Failure Refer to DTC C1000-1C: Control Module Internal Temperature Sensor "A" Circuit Circuit Voltage Out of Range; DTC C1005-1C: Control Module Internal Temperature Sensor "B" Circuit Circuit Voltage Out of Range; DTC C100A-62: Control Module Internal Temperature Sensor A/B Correlation Signal Compare Failure; DTC C1A93-46: Main Microcomputer in Front Recognition Camera Calibration/Parameter Memory Failure; DTC C1A94-45: Image Processing Microcomputer in Front Recognition Camera Program Memory Failure; DTC C1A94-47: Image Processing Microcomputer in Front Recognition Camera Watchdog/Safety MCU Failure; DTC C1A94-87: Image Processing Microcomputer to Main Microcomputer in Front Recognition Camera Missing Message; DTC C1A95-00: Image Processing Module Malfunction in Front Recognition Camera; DTC C1A96-1C: Power Supply Circuit in Front Recognition Camera Circuit Voltage Out of Range [08/2019 - ]
C1A94-47 Image Processing Microcomputer in Front Recognition Camera Watchdog/Safety MCU Failure Refer to DTC C1000-1C: Control Module Internal Temperature Sensor "A" Circuit Circuit Voltage Out of Range; DTC C1005-1C: Control Module Internal Temperature Sensor "B" Circuit Circuit Voltage Out of Range; DTC C100A-62: Control Module Internal Temperature Sensor A/B Correlation Signal Compare Failure; DTC C1A93-46: Main Microcomputer in Front Recognition Camera Calibration/Parameter Memory Failure; DTC C1A94-45: Image Processing Microcomputer in Front Recognition Camera Program Memory Failure; DTC C1A94-47: Image Processing Microcomputer in Front Recognition Camera Watchdog/Safety MCU Failure; DTC C1A94-87: Image Processing Microcomputer to Main Microcomputer in Front Recognition Camera Missing Message; DTC C1A95-00: Image Processing Module Malfunction in Front Recognition Camera; DTC C1A96-1C: Power Supply Circuit in Front Recognition Camera Circuit Voltage Out of Range [08/2019 - ]
C1A94-87 Image Processing Microcomputer to Main Microcomputer in Front Recognition Camera Missing Message Refer to DTC C1000-1C: Control Module Internal Temperature Sensor "A" Circuit Circuit Voltage Out of Range; DTC C1005-1C: Control Module Internal Temperature Sensor "B" Circuit Circuit Voltage Out of Range; DTC C100A-62: Control Module Internal Temperature Sensor A/B Correlation Signal Compare Failure; DTC C1A93-46: Main Microcomputer in Front Recognition Camera Calibration/Parameter Memory Failure; DTC C1A94-45: Image Processing Microcomputer in Front Recognition Camera Program Memory Failure; DTC C1A94-47: Image Processing Microcomputer in Front Recognition Camera Watchdog/Safety MCU Failure; DTC C1A94-87: Image Processing Microcomputer to Main Microcomputer in Front Recognition Camera Missing Message; DTC C1A95-00: Image Processing Module Malfunction in Front Recognition Camera; DTC C1A96-1C: Power Supply Circuit in Front Recognition Camera Circuit Voltage Out of Range [08/2019 - ]
C1A95-00 Image Processing Module Malfunction in Front Recognition Camera Refer to DTC C1000-1C: Control Module Internal Temperature Sensor "A" Circuit Circuit Voltage Out of Range; DTC C1005-1C: Control Module Internal Temperature Sensor "B" Circuit Circuit Voltage Out of Range; DTC C100A-62: Control Module Internal Temperature Sensor A/B Correlation Signal Compare Failure; DTC C1A93-46: Main Microcomputer in Front Recognition Camera Calibration/Parameter Memory Failure; DTC C1A94-45: Image Processing Microcomputer in Front Recognition Camera Program Memory Failure; DTC C1A94-47: Image Processing Microcomputer in Front Recognition Camera Watchdog/Safety MCU Failure; DTC C1A94-87: Image Processing Microcomputer to Main Microcomputer in Front Recognition Camera Missing Message; DTC C1A95-00: Image Processing Module Malfunction in Front Recognition Camera; DTC C1A96-1C: Power Supply Circuit in Front Recognition Camera Circuit Voltage Out of Range [08/2019 - ]
C1A96-1C Power Supply Circuit in Front Recognition Camera Circuit Voltage Out of Range Refer to DTC C1000-1C: Control Module Internal Temperature Sensor "A" Circuit Circuit Voltage Out of Range; DTC C1005-1C: Control Module Internal Temperature Sensor "B" Circuit Circuit Voltage Out of Range; DTC C100A-62: Control Module Internal Temperature Sensor A/B Correlation Signal Compare Failure; DTC C1A93-46: Main Microcomputer in Front Recognition Camera Calibration/Parameter Memory Failure; DTC C1A94-45: Image Processing Microcomputer in Front Recognition Camera Program Memory Failure; DTC C1A94-47: Image Processing Microcomputer in Front Recognition Camera Watchdog/Safety MCU Failure; DTC C1A94-87: Image Processing Microcomputer to Main Microcomputer in Front Recognition Camera Missing Message; DTC C1A95-00: Image Processing Module Malfunction in Front Recognition Camera; DTC C1A96-1C: Power Supply Circuit in Front Recognition Camera Circuit Voltage Out of Range [08/2019 - ]
C1AA8-00 Front Recognition Camera Optical Axis Misalignment Malfunction Refer to DTC C1AA8-00: Front Recognition Camera Optical Axis Misalignment Malfunction [08/2019 - ]
C1AAE-00 Front Recognition Camera Heater Malfunction Refer to DTC C1AAE-00: Front Recognition Camera Heater Malfunction [08/2019 - ]
U0125-87 Lost Communication with Multi-axis Acceleration Sensor Module Missing Message Refer to DTC U0125-87: Lost Communication with Multi-axis Acceleration Sensor Module Missing Message; DTC U0126-87: Lost Communication with Steering Angle Sensor Module Missing Message; DTC U0129-87: Lost Communication with Brake System Control Module Missing Message; DTC U0140-87: Lost Communication with Body Control Module Missing Message; DTC U0293-87: Lost Communication with Hybrid Powertrain Control Module Missing Message [08/2019 - ]
U0126-87 Lost Communication with Steering Angle Sensor Module Missing Message Refer to DTC U0125-87: Lost Communication with Multi-axis Acceleration Sensor Module Missing Message; DTC U0126-87: Lost Communication with Steering Angle Sensor Module Missing Message; DTC U0129-87: Lost Communication with Brake System Control Module Missing Message; DTC U0140-87: Lost Communication with Body Control Module Missing Message; DTC U0293-87: Lost Communication with Hybrid Powertrain Control Module Missing Message [08/2019 - ]
U0129-87 Lost Communication with Brake System Control Module Missing Message Refer to DTC U0125-87: Lost Communication with Multi-axis Acceleration Sensor Module Missing Message; DTC U0126-87: Lost Communication with Steering Angle Sensor Module Missing Message; DTC U0129-87: Lost Communication with Brake System Control Module Missing Message; DTC U0140-87: Lost Communication with Body Control Module Missing Message; DTC U0293-87: Lost Communication with Hybrid Powertrain Control Module Missing Message [08/2019 - ]
U0140-87 Lost Communication with Body Control Module Missing Message Refer to DTC U0125-87: Lost Communication with Multi-axis Acceleration Sensor Module Missing Message; DTC U0126-87: Lost Communication with Steering Angle Sensor Module Missing Message; DTC U0129-87: Lost Communication with Brake System Control Module Missing Message; DTC U0140-87: Lost Communication with Body Control Module Missing Message; DTC U0293-87: Lost Communication with Hybrid Powertrain Control Module Missing Message [08/2019 - ]
U0293-87 Lost Communication with Hybrid Powertrain Control Module Missing Message Refer to DTC U0125-87: Lost Communication with Multi-axis Acceleration Sensor Module Missing Message; DTC U0126-87: Lost Communication with Steering Angle Sensor Module Missing Message; DTC U0129-87: Lost Communication with Brake System Control Module Missing Message; DTC U0140-87: Lost Communication with Body Control Module Missing Message; DTC U0293-87: Lost Communication with Hybrid Powertrain Control Module Missing Message [08/2019 - ]
U0300-51 Internal Control Module Software Incompatibility Not Programmed Refer to DTC U0300-51: Internal Control Module Software Incompatibility Not Programmed [08/2019 - ]
U0300-57 Internal Control Module Software Incompatibility Invalid / Incompatible Software Component Refer to DTC U0300-57: Internal Control Module Software Incompatibility Invalid / Incompatible Software Component [08/2019 - ]
U0322-51 Software Incompatibility with Body Control Module Not Programmed Refer to DTC U0322-51: Software Incompatibility with Body Control Module Not Programmed [08/2019 - ]
U0322-57 Software Incompatibility with Body Control Module Invalid/Incompatible Software Component Refer to DTC U0322-57: Software Incompatibility with Body Control Module Invalid/Incompatible Software Component [08/2019 - ]
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