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Diagnostic Trouble Code Chart

HINT: 

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

LANE-KEEPING ASSIST 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
C1A05 Stop Light Switch Circuit - Stop light switch assembly
- 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 C1A06: Stop Light Switch Input Circuit
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
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
C1A45 Vehicle Speed Sensor - Vehicle speed sensor
- Brake booster with master cylinder (skid control ECU)
- CAN communication system
- Driving support ECU
Refer to DTC C1A45: Vehicle Speed Sensor
C1A46 Yaw Rate Sensor - Yaw rate sensor
- Brake booster with master cylinder (skid control ECU)
- Driving support ECU
Refer to DTC C1A46: Yaw Rate Sensor
C1A4A Skid Control Buzzer Circuit - Skid control buzzer
- Skid control buzzer circuit
- Brake booster with master cylinder (skid control ECU)
- Driving support ECU
Refer to DTC C1A4A: Skid Control Buzzer Circuit
C1A70 Power Steering Control System - Power steering system
- CAN communication system
- Driving support ECU
Refer to DTC C1A70: Power Steering Control System
C1A71 Power Steering Control Torque - Power steering system
- CAN communication system
- Driving support ECU
Refer to DTC C1A71: Power Steering Control Torque
U0122 Lost Communication with Vehicle Dynamics Control Module - Brake booster with master 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 U0131: Lost Communication with Power Steering Control Module; 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 U0131: Lost Communication with Power Steering Control Module; DTC U1104: Lost Communication with Driving Support ECU
U0131 Lost Communication with Power Steering Control Module - Power steering 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 U0131: Lost Communication with Power Steering Control Module; DTC U1104: Lost Communication with Driving Support ECU
U1104 Lost Communication with Driving Support ECU - Driving support ECU
- CAN communication system
- Brake booster with master cylinder (skid control ECU)
- Lane recognition camera sensor assembly
- Power steering control ECU
Refer to DTC U0122: Lost Communication with Vehicle Dynamics Control Module; DTC U0123: Lost Communication with Yaw Rate Sensor Module; DTC U0131: Lost Communication with Power Steering Control Module; 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
- Harness or connector
Refer to DTC U1119: Lost Communication with Object Recognition ECU (CAN)