Dtc U0073/94 Control Module Communication Bus Off

Brake. Camry. Acv40 Gsv40
Brake Control. Camry. Acv40 Gsv40

DESCRIPTION

INSPECTION PROCEDURE

DTC U0073/94 Control Module Communication Bus OFF


DESCRIPTION

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

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

INSPECTION PROCEDURE

Proceed to CAN communication system troubleshooting (CAMRY_ACV40 RM000000WI600UX.html for LHD, CAMRY_ACV40 RM000000WI600VX.html for RHD).
HINT:
When DTCs indicating a CAN communication system malfunction are output, repair the CAN communication system before repairing each corresponding sensor.