P1630

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 and brake operation demand from ECM response signals to the ECM when the dynamic radar cruise control system is in operation.

Step 1:

INSPECTION PROCEDURE

NOTE: When the distance control ECU and/or ECM are replaced with a new one, initialization must be performed.

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.