Dynamic Radar Cruise Control System
CRUISE CONTROL: DYNAMIC RADAR CRUISE CONTROL SYSTEM: U0100, U0122, U0123, U0126, U0235, U1104: Lost Communication with ECM / PCM "A"
U1104 - Lost Communication with Driving Support ECU
DESCRIPTION
This DTC is output when a communication malfunction occurs between the sensors and ECUs.
INSPECTION PROCEDURE
Refer to CAN communication system DTC U0100 CAN Communication System.
Refer to CAN communication system DTC U0122 CAN Communication System.
Refer to CAN communication system DTC U0123 CAN Communication System.
Refer to CAN communication system DTC U0126 CAN Communication System.
Refer to CAN communication system DTC U0235 CAN Communication System.
Refer to CAN communication system DTC U1104 CAN Communication System.
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
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