Last Modified: 11-20-2023 6.11:8.1.0 Doc ID: RM100000001R6FI
Model Year Start: 2021 Model: Camry Prod Date Range: [10/2020 -           ]
Title: LIGHTING (EXT): LIGHTING SYSTEM: U010087,U012587,U012987,U014087; Lost Communication With ECM/PCM "A" Missing Message; 2021 - 2024 MY Camry [10/2020 -        ]

DTC

U010087

Lost Communication With ECM/PCM "A" Missing Message

DTC

U012587

Lost Communication With Multi-axis Acceleration Sensor Module Missing Message

DTC

U012987

Lost Communication with Brake System Control Module Missing Message

DTC

U014087

Lost Communication with Body Control Module Missing Message

DESCRIPTION

These DTCs are stored if a CAN communication malfunction occurs between the forward recognition camera and other ECUs.

DTC No.

Detection Item

DTC Detection Condition

Trouble Area

DTC Output from

U010087

Lost Communication With ECM/PCM "A" Missing Message

The forward recognition camera does not receive data from the ECM for approximately 5 seconds or more when the vehicle speed is 1 km/h or more.

  • CAN communication system
  • ECM

Front Recognition Camera (Front Lighting Control)

U012587

Lost Communication With Multi-axis Acceleration Sensor Module Missing Message

The forward recognition camera does not receive data from the airbag sensor assembly for approximately 5 seconds or more when the vehicle speed is 1 km/h or more.

  • CAN communication system
  • Airbag sensor assembly

Front Recognition Camera (Front Lighting Control)

U012987

Lost Communication with Brake System Control Module Missing Message

The forward recognition camera does not receive data from the skid control ECU (brake actuator assembly) for approximately 5 seconds or more.

  • CAN communication system
  • Skid control ECU (brake actuator assembly)

Front Recognition Camera (Front Lighting Control)

U014087

Lost Communication with Body Control Module Missing Message

The forward recognition camera does not receive data from the main body ECU (multiplex network body ECU) for approximately 5 seconds or more.

  • CAN communication system
  • Main body ECU (multiplex network body ECU)

Front Recognition Camera (Front Lighting Control)

PROCEDURE

1.

CLEAR DTC

(a) Connect the Techstream to the DLC3.

(b) Turn the ignition switch to ON.

(c) Turn the Techstream on.

(d) Enter the following menus: Body Electrical / Front Recognition Camera (Front Lighting Control) / Trouble Codes.

(e) Clear the DTCs.

Body Electrical > Front Recognition Camera (Front Lighting Control) > Clear DTCs

NEXT

2.

CHECK FOR DTC

(a) Connect the Techstream to the DLC3.

(b) Turn the ignition switch to ON.

(c) Wait 10 seconds or more.

(d) Turn the Techstream on.

(e) Enter the following menus: Body Electrical / Front Recognition Camera (Front Lighting Control) / Trouble Codes.

(f) Check for DTCs.

Body Electrical > Front Recognition Camera (Front Lighting Control) > Trouble Codes

OK:

DTCs are not output.

OK

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

NG

GO TO CAN COMMUNICATION SYSTEM