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Diagnostic Trouble Code Table

HINT: 

If a trouble code is output during the DTC check, inspect the trouble area listed for that code. For details of the code, refer to the reference below.

LANE-KEEPING ASSIST SYSTEM

DTC Code Detection Item Trouble Area Reference
C1A01 Driving Support ECU Driving support ECU Refer to DTC C1A01: Driving Support ECU
C1A02 Vehicle Information Not Obtained Driving support ECU
Combination meter assembly
Refer to DTC C1A02: Vehicle Information Not Obtained
C1A05 Stop Light Switch Circuit Harness or connector
Stop light switch assembly
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 Object recognition ECU
Combination meter assembly
Driving support ECU
Refer to DTC C1A0C: Object Recognition Camera Region Code Mismatch
C1A20 Object Recognition ECU Object recognition ECU
Driving support ECU
Refer to DTC C1A20: Object Recognition ECU
C1A21 Object Recognition Camera Object recognition camera
Object recognition ECU
Driving support ECU
Refer to DTC C1A21: Object Recognition Camera
C1A22 Object Recognition Camera Incorrect Axial Gap Object recognition camera
Object recognition ECU
Driving support ECU
Refer to DTC C1A22: Object Recognition Camera Incorrect Axial Gap
C1A23 Object Recognition Camera Initialization Incomplete Object recognition camera
Object recognition ECU
Driving support ECU
Refer to DTC C1A23: Object Recognition Camera Initialization Incomplete
C1A26 Lost Communication with Gigabit Video Interface Harness or connector
Object recognition camera
Object recognition ECU
Driving support ECU
Refer to DTC C1A26: Lost Communication with Gigabit Video Interface
C1A45 Vehicle Speed Sensor - Electrically brake control system
Driving support ECU
Refer to DTC C1A45: Vehicle Speed Sensor
C1A46 Yaw Rate Sensor Electrically brake control system
Driving support ECU
Refer to DTC C1A46: Yaw Rate Sensor
C1A4A Skid Control Buzzer Circuit Skid control buzzer circuit
Skid control ECU
Driving support ECU
Refer to DTC C1A4A: Skid Control Buzzer Circuit
C1A6A Infrared Signal Circuit Headlight (Lo beam)
Headlight (Near infrared ray filter)
Harness or connector
Object recognition ECU
Refer to DTC C1A6A: Infrared Signal Circuit
C1A70 Power Steering Control System Power steering system
Driving support ECU
Refer to DTC C1A70: Power Steering Control System
C1A71 Power Steering Control Torque Power steering system
Driving support ECU
Refer to DTC C1A71: Power Steering Control Torque
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
U0123 Lost Communication with Yaw Rate Sensor Module Yaw rate sensor
CAN communication system
Driving support ECU
Refer to DTC U0123: Lost Communication with Yaw Rate Sensor Module
U0131 Lost Communication with Power Steering Control Module Power steering ECU assembly
CAN communication system
Driving support ECU
Refer to DTC U0131: Lost Communication with Power Steering Control Module
U0155 Lost Communication with Combination Meter Combination meter assembly
CAN communication system
Driving support ECU
Refer to DTC U0155: Lost Communication with Combination Meter
U1104 Lost Communication with Driving Support ECU Driving support ECU
CAN communication system
Skid control ECU
Power steering ECU assembly
Refer to DTC U1104: Lost Communication with Driving Support ECU
U1112 Lost Communication with Combination Switch ECU combination switch assembly
CAN communication system
Driving support ECU
Refer to DTC U1112: Lost Communication with Combination Switch ECU
U1113 Lost Communication with Steering Pad ECU Steering pad switch with modulator
CAN communication system
Driving support ECU
Refer to DTC U1113: Lost Communication with Steering Pad ECU
U1119 Lost Communication with Object Recognition ECU (CAN) Object recognition ECU
CAN communication system
Driving support ECU
Refer to DTC U1119: Lost Communication with Object Recognition ECU (CAN)
U1119 Lost Communication with Object Recognition ECU (Serial) Harness or connector
Object recognition camera
Object recognition ECU
Driving support ECU
Refer to DTC U1119: Lost Communication with Object Recognition ECU (Serial)
U1120 Lost Communication with Object Recognition Camera Harness or connector
Object recognition camera
Object recognition ECU
Driving support ECU
Refer to DTC U1120: Lost Communication with Object Recognition Camera