DTC U0073/94 Control Module Communication Bus OFF: Description

The skid control ECU receives the signal sent from the ECM via the CAN communication system.
When DTCs indicating a CAN communication system malfunction are output, repair the CAN communication system before repairing each corresponding sensor.

DTC DETECTING CONDITION CHART

DTC No.	DTC Detecting Condition	Trouble Area
U0073/94	When any of the following is detected: The skid control ECU cannot send a signal (30 cycles). The condition that bus OFF state occurs for 300 msec.	Wire harness (CANL, CANH circuit) Brake actuator assembly (Skid control ECU)