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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 assembly Refer to DTC C1A01: Driving Support ECU
C1A02 Vehicle Information Not Obtained - Driving support ECU assembly
- CAN communication system
Refer to DTC C1A02: Vehicle Information Not Obtained
C1A03 Driving Support ECU Internal Logical Error Driving support ECU assembly 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 assembly
- Stop light switch circuit
- Driving support ECU assembly
Refer to DTC C1A05: Stop Light Switch Circuit; DTC C1A4B: Stop Light Relay Circuit
C1A06 Stop Light Switch Input Circuit Driving support ECU assembly Refer to DTC C1A03: Driving Support ECU Internal Logical Error; DTC C1A06: Stop Light Switch Input Circuit
C1A0A Front Radar Sensor Region Code Mismatch - Millimeter wave radar sensor assembly
- Driving support ECU assembly
Refer to DTC C1A0A: Front Radar Sensor Region Code Mismatch
C1A10 Front Radar Sensor - Millimeter wave radar sensor assembly
- Driving support ECU assembly
Refer to DTC C1A10: Front Radar Sensor
C1A11 Front Radar Sensor Incorrect Axial Gap - Millimeter wave radar sensor assembly
- Driving support ECU assembly
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 - Millimeter wave radar sensor assembly
- Driving support ECU assembly
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
- Power management control ECU
- SFI system
- ECM
- Driving support ECU assembly
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
- Power management control ECU
- Brake booster with master cylinder (skid control ECU)
- Driving support ECU assembly
Refer to DTC C1A41: Brake Request Value Mismatch between ENG / EHV and Driving Support ECU
C1A4A Skid Control Buzzer Circuit - Electronically controlled brake system
- Driving support ECU assembly
Refer to DTC C1A4A: Skid Control Buzzer Circuit
C1A4B Stop Light Relay Circuit - Stop light control relay circuit
- Brake booster with master cylinder (skid control ECU)
- Driving support ECU assembly
Refer to DTC C1A05: Stop Light Switch Circuit; DTC C1A4B: Stop Light Relay Circuit
C1A50 Brake System - Electronically controlled brake system
- Driving support ECU assembly
Refer to DTC C1A50: Brake System
P1615 Communication Error from Distance Control ECU to HV ECU - Driving support ECU assembly
- Power management control ECU
Refer to DTC P1615: Communication Error from Distance Control ECU to HV ECU
U0122 Lost Communication with Vehicle Dynamics Control Module - Brake booster with master cylinder (skid control ECU)
- CAN communication system
- Driving support ECU assembly
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 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 assembly
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 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 assembly
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 U0293: Lost Communication with HV ECU; DTC U1104: Lost Communication with Driving Support ECU
U0235 Lost Communication with Cruise Control Front Distance Range Sensor - Millimeter wave radar sensor circuit
- Millimeter wave radar sensor assembly
- Driving support ECU assembly
Refer to DTC U0235: Lost Communication with Cruise Control Front Distance Range Sensor
U0293 Lost Communication with HV ECU - Power management control ECU
- CAN communication system
- Driving support ECU assembly
- Brake booster with master cylinder (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 U0293: Lost Communication with HV ECU; DTC U1104: Lost Communication with Driving Support ECU
U1104 Lost Communication with Driving Support ECU - Driving support ECU assembly
- CAN communication system
- Millimeter wave radar sensor assembly
- Power management control ECU
- Brake booster with master cylinder (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 U0293: Lost Communication with HV ECU; DTC U1104: Lost Communication with Driving Support ECU