Last Modified: 11-20-2023 6.11:8.1.0 Doc ID: RM100000001SH8H
Model Year Start: 2021 Model: Camry Prod Date Range: [10/2020 -           ]
Title: PRE-COLLISION: PRE-COLLISION SYSTEM: U010087,U012587,U012687,U012987,U013187; 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

U012687

Lost Communication with Steering Angle Sensor Module Missing Message

DTC

U012987

Lost Communication with Brake System Control Module Missing Message

DTC

U013187

Lost Communication with Power Steering Control Module Missing Message

DESCRIPTION

When a malfunction is detected between various ECUs and sensors, these DTCs are stored.

DTC No.

Detection Item

DTC Detection Condition

Trouble Area

U010087

Lost Communication With ECM/PCM "A" Missing Message

3 seconds after the ignition switch is turned to ON, a communication error between the ECM and the forward recognition camera is detected for approximately 1 second or more.

CAN communication system

U012587

Lost Communication with Multi-axis Acceleration Sensor Module Missing Message

While the vehicle is being driven at 5 km/h (4 mph) or more, a communication error between the airbag sensor assembly and the forward recognition camera is detected for approximately 4 seconds or more.

CAN communication system

U012687

Lost Communication with Steering Angle Sensor Module Missing Message

3 seconds after the ignition switch is turned to ON, a communication error between the steering sensor and the forward recognition camera is detected for approximately 1 second or more.

CAN communication system

U012987

Lost Communication with Brake System Control Module Missing Message

3 seconds after the ignition switch is turned to ON, a communication error between the skid control ECU (brake actuator assembly) and the forward recognition camera is detected for approximately 1 second or more.

CAN communication system

U013187

Lost Communication with Power Steering Control Module Missing Message

3 seconds after the ignition switch is turned to ON, a communication error between the power steering ECU (rack and pinion power steering gear assembly) and the forward recognition camera is detected for approximately 2 second or more.

CAN communication system

PROCEDURE

1.

CHECK FOR DTCs

(a) Clear the DTCs.

Body Electrical > Pre-Collision System > Clear DTCs

(b) Reproduce the vehicle conditions that were present when the DTCs that were noted were stored.

HINT:

If the detection conditions are not met, the system cannot detect malfunctions.

(c) Check for DTCs.

Body Electrical > Pre-Collision System > Trouble Codes

Result

Proceed to

CAN communication system DTC is not output

A

CAN communication system DTC is output

B

A

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

B

GO TO CAN COMMUNICATION SYSTEM