Last Modified: 11-20-2023 6.11:8.1.0 Doc ID: RM100000001SH6X
Model Year Start: 2021 Model: Camry Prod Date Range: [10/2020 -           ]
Title: CRUISE CONTROL: LANE TRACING ASSIST SYSTEM: U010087,U012587,U012687,U012987,U013187,U015587; 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

DTC

U015587

Lost Communication with Instrument Panel Cluster (IPC) 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

After 3 seconds or more have elapsed since turning the lane tracing assist system on and the ignition switch to ON, while the vehicle speed is 5 km/h (3 mph) or more, a communication malfunction between the forward recognition camera and the ECM is continuously detected for 5 seconds or more

CAN communication system

U012587

Lost Communication with Multi-axis Acceleration Sensor Module Missing Message

After 3 seconds or more have elapsed since turning the lane tracing assist system on and the ignition switch to ON, while the vehicle speed is 5 km/h (3 mph) or more, a communication malfunction between the forward recognition camera and the G sensor (airbag sensor assembly) is continuously detected for 5 seconds or more

CAN communication system

U012687

Lost Communication with Steering Angle Sensor Module Missing Message

After 3 seconds or more have elapsed since turning the lane tracing assist system on and the ignition switch to ON, a communication malfunction between the forward recognition camera and the steering sensor is continuously detected for 5 seconds or more

CAN communication system

U012987

Lost Communication with Brake System Control Module Missing Message

After 3 seconds or more have elapsed since turning the lane tracing assist system on and the ignition switch to ON, a communication malfunction between the forward recognition camera and the skid control ECU (brake actuator assembly) is continuously detected for 5 seconds or more

CAN communication system

U013187

Lost Communication with Power Steering Control Module Missing Message

After 3 seconds or more have elapsed since turning the lane tracing assist system on and the ignition switch to ON, a communication malfunction between the forward recognition camera and the power steering ECU (rack and pinion power steering gear assembly) is continuously detected for 5 seconds or more

CAN communication system

U015587

Lost Communication with Instrument Panel Cluster (IPC) Control Module Missing Message

After 3 seconds or more have elapsed since turning the lane tracing assist system on and the ignition switch to ON, a communication malfunction between the forward recognition camera and the combination meter assembly is continuously detected for 50 seconds or more

CAN communication system

PROCEDURE

1.

CHECK FOR DTCs

(a) Clear the DTCs.

Chassis > Lane Control > 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.

Chassis > Lane Control > 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