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DTC P1630-81: Communication Error from VSC to ECM Invalid Serial Data Received [09/2017 - 05/2019]: Description

The skid control ECU (brake actuator assembly) sends signals such as cruise control cancel signals and brake demand response signals to the ECM when the dynamic radar cruise control system is operating.

DTC No. Detection Item DTC Detection Condition Trouble Area
P163081 Communication Error from VSC to ECM Invalid Serial Data Received While the vehicle speed is 5 km/h (3 mph) or more and the dynamic radar cruise control system is operating, communication data from the skid control ECU (brake actuator assembly) is logically inconsistent for approximately 0.5 seconds or more.
  • CAN communication circuit
  • Skid control ECU (brake actuator assembly)
  • ECM