Last Modified: 07-31-2024 6.11:8.1.0 Doc ID: RM100000001G4RM
Model Year Start: 2020 Model: Corolla Prod Date Range: [01/2019 - 09/2022]
Title: SUPPLEMENTAL RESTRAINT SYSTEMS: OCCUPANT CLASSIFICATION SYSTEM (for HV Model): U0125,U0129; Lost Communication with Multi-axis Acceleration Sensor Module; 2020 - 2022 MY Corolla Corolla HV [01/2019 - 09/2022]

DTC

U0125

Lost Communication with Multi-axis Acceleration Sensor Module

DTC

U0129

Lost Communication with Brake System Control Module

DESCRIPTION

The occupant detection ECU sends/receives signals to/from each ECU via CAN communication.

DTC No.

Detection Item

DTC Detection Condition

Trouble Area

U0125

Lost Communication with Multi-axis Acceleration Sensor Module

CAN communication error between the occupant detection ECU and acceleration sensor (CAN communication system malfunction)

CAN communication system

U0129

Lost Communication with Brake System Control Module

CAN communication error between the occupant detection ECU and skid control ECU (CAN communication system malfunction)

CAN communication system

CAUTION / NOTICE / HINT

Refer to troubleshooting in CAN Communication System.

Click here 2020 - 2022 MY Corolla Corolla HV [01/2019 - 09/2022]; NETWORKING: CAN COMMUNICATION SYSTEM (for HV Model): HOW TO PROCEED WITH TROUBLESHOOTING

PROCEDURE

1.

GO TO CAN COMMUNICATION SYSTEM

(a) Go to CAN communication system.

Click here 2020 - 2022 MY Corolla Corolla HV [01/2019 - 09/2022]; NETWORKING: CAN COMMUNICATION SYSTEM (for HV Model): HOW TO PROCEED WITH TROUBLESHOOTING

NEXT

END