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Diagnostic Trouble Code Chart

HINT: 

If a trouble code is displayed during the DTC check, inspect the trouble areas listed for that code. For details of the code, refer to the "See" below.

DYNAMIC RADAR CRUISE CONTROL SYSTEM

DTC Code Detection Item Trouble Area See
C1A01 Driving Support ECU Driving support ECU Refer to DTC C1A01: Driving Support ECU
C1A02 Vehicle Information Not Obtained - Driving support ECU
- Combination meter
- Hybrid vehicle control ECU		 Refer to DTC C1A02: Vehicle Information Not Obtained
C1A03 Driving Support ECU Internal Logical Error Driving support ECU Refer to DTC C1A03: Driving Support ECU Internal Logical Error; DTC C1A06: Stop Light Switch Input Circuit
C1A05 Stop Light Switch Circuit - Stop light switch
- Stop light switch circuit
- Driving support ECU		 Refer to DTC C1A05: Stop Light Switch Circuit
C1A06 Stop Light Switch Input Circuit Driving support ECU Refer to DTC C1A03: Driving Support ECU Internal Logical Error; DTC C1A06: Stop Light Switch Input Circuit
C1A0A Front Radar Sensor Region Code Mismatch - Front millimeter wave radar sensor
- Combination meter
- Driving support ECU		 Refer to DTC C1A0A: Front Radar Sensor Region Code Mismatch
C1A10 Front Radar Sensor - Front millimeter wave radar sensor
- Driving support ECU		 Refer to DTC C1A10: Front Radar Sensor
C1A11 Front Radar Sensor Incorrect Axial Gap - Front millimeter wave radar sensor
- Driving support ECU		 Refer to DTC C1A11: Front Radar Sensor Incorrect Axial Gap; DTC C1A14: Front Radar Sensor Beam Axis Not Adjusted
C1A14 Front Radar Sensor Beam Axis Not Adjusted - Front millimeter wave radar sensor
- Driving support ECU		 Refer to DTC C1A11: Front Radar Sensor Incorrect Axial Gap; DTC C1A14: Front Radar Sensor Beam Axis Not Adjusted
C1A40 ENG / EHV Device - Hybrid control system
- Hybrid vehicle control ECU
- SFI system
- ECM
- Driving support ECU		 Refer to DTC C1A40: ENG / EHV Device
C1A41 Brake Request Value Mismatch between ENG / EHV and Driving Support ECU - Electronically controlled brake system
- Hybrid control system
- Hybrid vehicle control ECU
- Skid control ECU
- Driving support ECU		 Refer to DTC C1A41: Brake Request Value Mismatch between ENG / EHV and Driving Support ECU
C1A4A Skid Control Buzzer Circuit - Skid control buzzer
- Skid control buzzer circuit
- Skid control ECU
- Driving support ECU		 Refer to DTC C1A4A: Skid Control Buzzer Circuit
C1A50 Brake System - Electronically controlled brake system
- Driving support ECU		 Refer to DTC C1A50: Brake System
U0122 Lost Communication with Vehicle Dynamics Control Module - Skid control ECU
- CAN communication system
- Driving support ECU		 Refer to DTC U0122: Lost Communication with Vehicle Dynamics Control Module; DTC U0123: Lost Communication with Yaw Rate Sensor Module; DTC U0126: Lost Communication with Steering Angle Sensor Module; DTC U0155: Lost Communication with Combination Meter; DTC U0235: Lost Communication with Cruise Control Front Distance Range Sensor; DTC U0293: Lost Communication with HV ECU; DTC U1104: Lost Communication with Driving Support ECU
U0123 Lost Communication with Yaw Rate Sensor Module - Yaw rate sensor
- CAN communication system
- Driving support ECU		 Refer to DTC U0122: Lost Communication with Vehicle Dynamics Control Module; DTC U0123: Lost Communication with Yaw Rate Sensor Module; DTC U0126: Lost Communication with Steering Angle Sensor Module; DTC U0155: Lost Communication with Combination Meter; DTC U0235: Lost Communication with Cruise Control Front Distance Range Sensor; DTC U0293: Lost Communication with HV ECU; DTC U1104: Lost Communication with Driving Support ECU
U0126 Lost Communication with Steering Angle Sensor Module - Steering angle sensor
- CAN communication system
- Driving support ECU		 Refer to DTC U0122: Lost Communication with Vehicle Dynamics Control Module; DTC U0123: Lost Communication with Yaw Rate Sensor Module; DTC U0126: Lost Communication with Steering Angle Sensor Module; DTC U0155: Lost Communication with Combination Meter; DTC U0235: Lost Communication with Cruise Control Front Distance Range Sensor; DTC U0293: Lost Communication with HV ECU; DTC U1104: Lost Communication with Driving Support ECU
U0155 Lost Communication with Combination Meter - Combination meter assembly
- CAN communication system
- Driving support ECU		 Refer to DTC U0122: Lost Communication with Vehicle Dynamics Control Module; DTC U0123: Lost Communication with Yaw Rate Sensor Module; DTC U0126: Lost Communication with Steering Angle Sensor Module; DTC U0155: Lost Communication with Combination Meter; DTC U0235: Lost Communication with Cruise Control Front Distance Range Sensor; DTC U0293: Lost Communication with HV ECU; DTC U1104: Lost Communication with Driving Support ECU
U0235 Lost Communication with Cruise Control Front Distance Range Sensor - Front millimeter wave radar sensor
- CAN communication system
- Driving support ECU		 Refer to DTC U0122: Lost Communication with Vehicle Dynamics Control Module; DTC U0123: Lost Communication with Yaw Rate Sensor Module; DTC U0126: Lost Communication with Steering Angle Sensor Module; DTC U0155: Lost Communication with Combination Meter; DTC U0235: Lost Communication with Cruise Control Front Distance Range Sensor; DTC U0293: Lost Communication with HV ECU; DTC U1104: Lost Communication with Driving Support ECU
U0293 Lost Communication with HV ECU - Hybrid vehicle control ECU
- CAN communication system
- Driving support ECU		 Refer to DTC U0122: Lost Communication with Vehicle Dynamics Control Module; DTC U0123: Lost Communication with Yaw Rate Sensor Module; DTC U0126: Lost Communication with Steering Angle Sensor Module; DTC U0155: Lost Communication with Combination Meter; DTC U0235: Lost Communication with Cruise Control Front Distance Range Sensor; DTC U0293: Lost Communication with HV ECU; DTC U1104: Lost Communication with Driving Support ECU
U1104 Lost Communication with Driving Support ECU - Driving support ECU
- CAN communication system
- Front millimeter wave radar sensor
- Hybrid vehicle control ECU
- Skid control ECU		 Refer to DTC U0122: Lost Communication with Vehicle Dynamics Control Module; DTC U0123: Lost Communication with Yaw Rate Sensor Module; DTC U0126: Lost Communication with Steering Angle Sensor Module; DTC U0155: Lost Communication with Combination Meter; DTC U0235: Lost Communication with Cruise Control Front Distance Range Sensor; DTC U0293: Lost Communication with HV ECU; DTC U1104: Lost Communication with Driving Support ECU
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