Last Modified: 08-21-2023 6.11:8.1.0 Doc ID: RM100000001C2MK
Model Year Start: 2019 Model: Avalon HV Prod Date Range: [04/2018 -           ]
Title: PARK ASSIST / MONITORING: PANORAMIC VIEW MONITOR SYSTEM (for HV Model): U023B; Lost Communication with Panoramic View Monitor Control Module; 2019 - 2022 MY Avalon HV [04/2018 -        ]

DTC

U023B

Lost Communication with Panoramic View Monitor Control Module

DESCRIPTION

These DTCs are stored if there is a malfunction in the CAN communication system connected to the television camera assembly.

HINT:

If CAN communication system DTCs are stored, they may also be stored in other systems.

DTC No.

Detection Item

DTC Detection Condition

Trouble Area

DTC Output from

U023B

Lost Communication with Panoramic View Monitor Control Module

Lost Communication with parking assist ECU

CAN communication system

Television camera assembly

PROCEDURE

1.

CHECK FOR DTC

(a) Clear the DTCs.

Chassis > Parking Assist Camera > Clear DTCs

(b) Recheck for DTCs and check that no DTCs are output.

Chassis > Parking Assist Camera > Trouble Codes

HINT:

  • If CAN communication system DTCs are stored, they may also be stored in other systems.
  • If the CAN communication system has been inspected and repaired in other systems, the DTCs will not be output when rechecking for DTCs.
  • If these DTCs are output frequently, duplicate the conditions that cause the problem symptoms and perform troubleshooting again, even if the DTC was not output when rechecking for DTCs.

    Click here 2019 - 2022 MY Avalon Avalon HV [04/2018 -        ]; INTRODUCTION: HOW TO TROUBLESHOOT ECU CONTROLLED SYSTEMS: HOW TO PROCEED WITH TROUBLESHOOTING

Result

Proceed to

DTCs are output

A

No DTCs are output

B

A

GO TO CAN COMMUNICATION SYSTEM

B

USE SIMULATION METHOD TO CHECK