DYNAMIC RADAR CRUISE CONTROL SYSTEM > DIAGNOSTIC TROUBLE CODE CHART

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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 page" below.


Dynamic Radar Cruise Control System 
DTC Code
Detection Item
Trouble Area
See page
C1A01
Driving Support ECU
Driving support ECU assembly
 Click here
C1A02
Vehicle Information Not Obtained
- Driving support ECU assembly
- CAN communication system
 Click here
C1A03
Driving Support ECU Internal Logical Error
Driving support ECU assembly
 Click here
C1A05
Stop Light Switch Circuit
- Stop light switch assembly
- Stop light switch circuit
- Driving support ECU assembly
 Click here
C1A06
Stop Light Switch Input Circuit
Driving support ECU assembly
 Click here
C1A0A
Front Radar Sensor Region Code Mismatch
- Millimeter wave radar sensor assembly
- Driving support ECU assembly
 Click here
C1A10
Front Radar Sensor
- Millimeter wave radar sensor assembly
- Driving support ECU assembly
 Click here
C1A11
Front Radar Sensor Incorrect Axial Gap
- Millimeter wave radar sensor assembly
- Driving support ECU assembly
 Click here
C1A14
Front Radar Sensor Beam Axis Not Adjusted
- Millimeter wave radar sensor assembly
- Driving support ECU assembly
 Click here
C1A40
ENG / EHV Device
- Driving support ECU assembly
- Power management control ECU
- SFI system
 Click here
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
 Click here
C1A4A
Skid Control Buzzer Circuit
- Electronically controlled brake system
- Driving support ECU assembly
 Click here
C1A4B
Stop Light Relay Circuit
- Stop light control relay circuit
- Brake booster with master cylinder (skid control ECU)
- Driving support ECU assembly
 Click here
C1A50
Brake System
- Electronically controlled brake system
- Driving support ECU assembly
 Click here
P1615
Communication Error from Distance Control ECU to HV ECU
- Driving support ECU assembly
- Power management control ECU
 Click here
U0122
Lost Communication with Vehicle Dynamics Control Module
- Brake booster with master cylinder (skid control ECU)
- CAN communication system
- Driving support ECU assembly
 Click here
U0123
Lost Communication with Yaw Rate Sensor Module
- Yaw rate sensor
- CAN communication system
- Driving support ECU assembly
 Click here
U0126
Lost Communication with Steering Angle Sensor Module
- Steering angle sensor
- CAN communication system
- Driving support ECU assembly
 Click here
U0235
Lost Communication with Cruise Control Front Distance Range Sensor
- Millimeter wave radar sensor circuit
- Millimeter wave radar sensor assembly
- Driving support ECU assembly
 Click here
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)
 Click here
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)
 Click here