Cruise Control System

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

DTC U0122 - Lost Communication with Vehicle Dynamics Control Module

DESCRIPTION

Send vehicle speed signal to skid control ECU, and then it is sent to ECM.






INSPECTION PROCEDURE

Refer to CAN communication system (U0122, U0122).

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
OK -- USE SIMULATION METHOD TO CHECK