Dynamic Radar Cruise Control System

CRUISE CONTROL: DYNAMIC RADAR CRUISE CONTROL SYSTEM: U0122,U0123,U0126,U0155,U0235,U0293,U1104: Lost Communication with Vehicle Dynamics Control Module
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 U0122.

Refer to CAN communication system DTC U0123 U0123.

Refer to CAN communication system DTC U0126 U0126.

Refer to CAN communication system DTC U0155 U0155.

Refer to CAN communication system DTC U0235 U0235.

Refer to CAN communication system DTC U0293 U0293.

Refer to CAN communication system DTC U1104 U1104.

PROCEDURE

1. CHECK CAN COMMUNICATION SYSTEM

(a) Select "Bus Check" from the "System Select" Diagnosis System.

(b) Select "Communication Malfunction DTC" from the "Bus Check" screen, and then select "Enter" Diagnosis System.

(c) Check the DTC.

OK:

CAN communication system DTC is not output.

NG -- GO TO CAN COMMUNICATION SYSTEM CAN Communication System

OK -- USE SIMULATION METHOD TO CHECK How To Proceed With Troubleshooting