DTC U0198-00: Communication Error With Emergency Call Unit/Telematics Communication Unit

U0198-00: (BCM) DETECTION CONDITION AND POSSIBLE CAUSE

System malfunction location	Communication error with emergency call unit/telematics communication unit
Detection condition	The body control module (BCM) cannot receive CAN signal from the emergency call unit/telematics communication unit.
Fail-safe	Not applicable
Possible cause	Malfunction in CAN communication line between emergency call unit/telematics communication unit and body control module (BCM) NOTE: Perform the malfunction diagnosis according to the troubleshooting procedure for the multiplex communication system. (See MALFUNCTION DIAGNOSIS FLOW [CONTROLLER AREA NETWORK (CAN)] .)
Repeatability verification procedure	Not applicable
System wiring diagram	Not applicable