P1630

CRUISE CONTROL: DYNAMIC RADAR CRUISE CONTROL SYSTEM: P1630,U0122: Communication Error from VSC to ECM
U0122 - Lost Communication with Vehicle Dynamics Control Module

DESCRIPTION

The skid control ECU sends signals such as cruise control cancel demand signals, brake operation demand response signals from the ECM, etc. to the ECM when the dynamic radar cruise control system is in operation.





INSPECTION PROCEDURE

HINT
This circuit uses CAN communication. Therefore, if there are any malfunctions in the communication circuit, one or more DTCs in the CAN communication system are output.

0. GO TO CAN COMMUNICATION SYSTEM

Refer to how to proceed with troubleshooting How to Proceed With Troubleshooting.