ADVANCED DRIVER ASSISTANCE SYSTEM: PRE-COLLISION SYSTEM (for TMMMS Made): U010087,U012587,U012687,U012987; Lost Communication with ECM/PCM "A" Missing Message; 2023 MY Corolla Corolla Hatchback Corolla HV GR Corolla [09/2022

Last Modified: 07-31-2024	6.11:8.1.0	Doc ID: RM10000000264ES
Model Year Start: 2023	Model: GR Corolla	Prod Date Range: [09/2022 - 11/2022]
Title: ADVANCED DRIVER ASSISTANCE SYSTEM: PRE-COLLISION SYSTEM (for TMMMS Made): U010087,U012587,U012687,U012987; Lost Communication with ECM/PCM "A" Missing Message; 2023 MY Corolla Corolla Hatchback Corolla HV GR Corolla [09/2022 - 11/2022]

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

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	While the vehicle is being driven at 5 km/h (4 mph) or more, a communication error between the ECM and the forward recognition camera is detected for approximately 6 seconds 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 yaw rate sensor (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 or more 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 or more 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

1.	CHECK FOR DTCs

(a) Clear the DTCs.

(b) Make sure that the DTC detection conditions are met.

HINT:

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

Result	Proceed to
DTC U010087, U012587, U012687 and U012987 are not output	A
DTC U010087, U012587, U012687 or U012987 is output	B