Dynamic Radar Cruise Control System

CRUISE CONTROL: DYNAMIC RADAR CRUISE CONTROL SYSTEM: U0122: Lost Communication with Vehicle Dynamics Control Module

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 U0235 - Lost Communication with Cruise Control Front Distance Range Sensor

DTC U0293 - Lost Communication with HV ECU

DTC U1104 - Lost Communication with Driving Support ECU

DESCRIPTION

These DTCs are output when a communication malfunction occurs between the sensors and ECUs.






INSPECTION PROCEDURE

Refer to CAN communication system DTC U0122 [1][2]CAN Communication System.
Refer to CAN communication system DTC U0123 [1][2]CAN Communication System.
Refer to CAN communication system DTC U0126 [1][2]CAN Communication System.
Refer to CAN communication system DTC U0235 CAN Communication System.
Refer to CAN communication system DTC U0293 CAN Communication System.
Refer to CAN communication system DTC U1104 CAN Communication System.

PROCEDURE

1. CHECK CAN COMMUNICATION SYSTEM
(a) for Intelligent tester
(1) Select "BUS CHECK" from the "OBD/MOBD MENU" Diagnosis System.
(2) Press "ENTER" on the intelligent tester Diagnosis System.
(3) Check the DTC.
(b) for Techstream
(1) Select "Bus Check" from the "System Select" Diagnosis System.
(2) Select "Communication Malfunction DTC" from the "Bus Check" screen, and then select "Enter" Diagnosis System.
(3) Check the DTC.
OK:
CAN communication system DTC is not output.
NG -- GO TO CAN COMMUNICATION SYSTEM
OK -- USE SIMULATION METHOD TO CHECK