Cruise Control System

DTC P1630 Communication Error from VSC to ECM
DTC U0122 Lost Communication with Vehicle Dynamics Control Module

DESCRIPTION

DTC Detection Condition:

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.

Step 1:

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.