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