Inspection/Action Procedure

This DTC may be displayed due to the following DTC. If the following DTC is displayed, give priority to performing the inspection/action.
- Vehicle control module (VCM) (See DTC TABLE [VCM] .)

• DTC related to internal malfunction

- Body control module (BCM) (See DTC TABLE [BCM] .)

• DTC related to internal malfunction

- 360° view monitor control module/parking assist unit (optical) (See DTC TABLE [VMC] .)

Proceed with the inspection/treatment in the order from Step 1 below.

After part repair or replacement, perform the repeatability verification procedure and perform a DTC inspection. (See DTC INSPECTION .)

- If the the DTC inspection indicates the same DTC again, go to the next step.

NOTE: • Depending on the module, after the ignition is switched ON (engine off or on)/main power is switched ON (READY off or on) or OFF, there is a module that needs 30 s to correctly write the calibration data and configuration data.

1. Implement the vehicle control module (VCM) calibration.

Calibration implementation procedure

• Switch the ignition/main power OFF and wait for 30 s or more.

• Switch the ignition ON (engine off or on)/switch the main power ON (READY off or on) and wait for 30 s or more.

Purpose/reason (possible cause)	Calibration error
Referred service information item	Not applicable

2. Perform the malfunction diagnosis according to the troubleshooting procedure for the multiplex communication system.

Purpose/reason (possible cause)	Communication error in CAN communication line between vehicle control module (VCM) and front radar sensor
Referred service information item	MALFUNCTION DIAGNOSIS FLOW [CONTROLLER AREA NETWORK (CAN)]

3. Replace the 360° view monitor control module/parking assist unit (optical).

Purpose/reason (possible cause)	360° view monitor control module/parking assist unit (optical) malfunction (applicable part cannot be inspected to determine integrity)
Referred service information item	360° VIEW MONITOR CONTROL MODULE REMOVAL/INSTALLATION PARKING ASSIST UNIT (OPTICAL) REMOVAL/INSTALLATION

4. Replace the body control module (BCM).

Purpose/reason (possible cause)	Vehicle control module (VCM) malfunction (no other possible possible malfunction considered)
Referred service information item	BODY CONTROL MODULE (BCM) REMOVAL/INSTALLATION [L.H.D.]