P1630

CRUISE CONTROL: DYNAMIC RADAR CRUISE CONTROL SYSTEM: P1630: Communication Error from VSC to ECM

DTC P1630 - Communication Error from VSC to ECM

DTC U0122 - Lost Communication with Vehicle Dynamics Control Module

DESCRIPTION

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.






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.

1. CHECK CAN COMMUNICATION SYSTEM
Refer to HOW TO PROCEED WITH TROUBLESHOOTING How to Proceed With Troubleshooting.