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" column 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 - Main body 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 assembly - Stop light switch circuit - Driving support ECU |
Refer to DTC C1A05: Stop Light Switch Circuit; DTC C1A4B: Stop Light Relay 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 | - Millimeter wave radar sensor assembly - Main body ECU - Driving support ECU |
Refer to DTC C1A0A: Front Radar Sensor Region Code Mismatch |
| C1A0C | Object Recognition Camera Region Code Mismatch | - Lane recognition camera sensor assembly - Driving support ECU |
Refer to DTC C1A0C: Object Recognition Camera Region Code Mismatch |
| C1A10 | Front Radar Sensor | - Millimeter wave radar sensor assembly - Driving support ECU |
Refer to DTC C1A10: Front Radar Sensor |
| C1A11 | Front Radar Sensor Incorrect Axial Gap | - Millimeter wave radar sensor assembly - 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 | - Millimeter wave radar sensor assembly - Driving support ECU |
Refer to DTC C1A11: Front Radar Sensor Incorrect Axial Gap; DTC C1A14: Front Radar Sensor Beam Axis Not Adjusted |
| C1A20 | Object Recognition ECU | - Lane recognition camera sensor assembly - Driving support ECU |
Refer to DTC C1A20: Object Recognition ECU |
| C1A22 | Object Recognition Camera Incorrect Axial Gap | - Lane recognition camera sensor assembly - Driving support ECU |
Refer to DTC C1A22: Object Recognition Camera Incorrect Axial Gap; DTC C1A23: Object Recognition Camera Initialization Incomplete |
| C1A23 | Object Recognition Camera Initialization Incomplete | - Lane recognition camera sensor assembly - Driving support ECU |
Refer to DTC C1A22: Object Recognition Camera Incorrect Axial Gap; DTC C1A23: Object Recognition Camera Initialization Incomplete |
| C1A40 | ENG / EHV Device | - Hybrid control system - Power management 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 - Power management control ECU - Brake booster with maser cylinder (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 | - Electronically controlled brake system - Driving support ECU |
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 |
Refer to DTC C1A05: Stop Light Switch Circuit; DTC C1A4B: Stop Light Relay Circuit |
| C1A50 | Brake System | - Electronically controlled brake system - Driving support ECU |
Refer to DTC C1A50: Brake System |
| P1615 | Communication Error from Distance Control ECU to HV ECU | - Driving support ECU - 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 maser cylinder (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 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 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 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 assembly - Millimeter wave radar sensor circuit - Driving support ECU |
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 - Brake booster with maser 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 - CAN communication system - Millimeter wave radar sensor assembly - Power management control ECU - Brake booster with maser 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 |
| U1119 | Lost Communication with Object Recognition ECU (CAN) | - Lane recognition camera sensor assembly - CAN communication system - Driving support ECU |
Refer to DTC U1119: Lost Communication with Object Recognition ECU (CAN) |