Last Modified: 11-20-2023 6.11:8.1.0 Doc ID: RM1000000014U4H
Model Year Start: 2018 Model: Camry HV Prod Date Range: [07/2017 -           ]
Title: NETWORKING: CAN COMMUNICATION SYSTEM: B1003; ECU Malfunction; 2018 - 2024 MY Camry HV [07/2017 -        ]

DTC

B1003

ECU Malfunction

DESCRIPTION

DTC No.

Detection Item

DTC Detection Condition

Trouble Area

Note

B1003

ECU Malfunction

A malfunction in the non-volatile storage of the central gateway ECU (network gateway ECU) is detected.

Central gateway ECU (network gateway ECU)

-

PROCEDURE

1.

RECONFIRM DTC OUTPUT

(a) Connect the Techstream to the DLC3.

(b) Turn the power switch on (IG).

(c) Turn the Techstream on.

(d) Enter the following menus: Body Electrical / Central Gateway / Trouble Codes.

Body Electrical > Central Gateway > Trouble Codes

Result

Proceed to

DTC B1003 is not output from the central gateway ECU (network gateway ECU)

A

DTC B1003 is output from the central gateway ECU (network gateway ECU)

B
A

USE SIMULATION METHOD TO CHECK 2018 MY Camry HV [07/2017 - 09/2018]; INTRODUCTION: HOW TO TROUBLESHOOT ECU CONTROLLED SYSTEMS: HOW TO PROCEED WITH TROUBLESHOOTING 2019 MY Camry HV [09/2018 - 09/2019]; INTRODUCTION: HOW TO TROUBLESHOOT ECU CONTROLLED SYSTEMS: HOW TO PROCEED WITH TROUBLESHOOTING 2020 MY Camry HV [09/2019 - 10/2020]; INTRODUCTION: HOW TO TROUBLESHOOT ECU CONTROLLED SYSTEMS: HOW TO PROCEED WITH TROUBLESHOOTING 2021 MY Camry HV [10/2020 - 08/2021]; INTRODUCTION: HOW TO TROUBLESHOOT ECU CONTROLLED SYSTEMS: HOW TO PROCEED WITH TROUBLESHOOTING 2022 - 2024 MY Camry HV [08/2021 -        ]; INTRODUCTION: HOW TO TROUBLESHOOT ECU CONTROLLED SYSTEMS: HOW TO PROCEED WITH TROUBLESHOOTING

B

REPLACE CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU) 2018 - 2020 MY Camry HV [07/2017 - 10/2020]; NETWORKING: NETWORK GATEWAY ECU: REMOVAL 2021 - 2022 MY Camry HV [10/2020 - 08/2022]; NETWORKING: NETWORK GATEWAY ECU: REMOVAL 2023 - 2024 MY Camry HV [08/2022 -        ]; NETWORKING: NETWORK GATEWAY ECU: REMOVAL