Last Modified: 05-13-2024 6.11:8.1.0 Doc ID: RM1000000029CK8
Model Year Start: 2023 Model: GR Corolla Prod Date Range: [11/2022 -           ]
Title: PARK ASSIST / MONITORING: BLIND SPOT MONITOR SYSTEM (w/ Safe Exit Assist Function): U010087,...,U114F87; Lost Communication with ECM/PCM "A" Missing Message; 2023 - 2025 MY Corolla Corolla Hatchback Corolla HV GR Corolla [11/2022 -        ]

DTC

U010087

Lost Communication with ECM/PCM "A" Missing Message

DTC

U012687

Lost Communication with Steering Angle Sensor Module Missing Message

DTC

U012987

Lost Communication with Brake System Control Module "A" Missing Message

DTC

U013187

Lost Communication with Power Steering Control Module Missing Message

DTC

U014087

Lost Communication with Body Control Module Missing Message

DTC

U029387

Lost Communication with Hybrid/EV Powertrain Control Module Missing Message

DTC

U114F87

Lost Communication with Power Integration Module Missing Message

DESCRIPTION

These DTCs are stored if there is a malfunction in the CAN communication system connected to the blind spot monitor sensor.

HINT:

If CAN communication system DTCs are stored, they may also be stored for other systems.

DTC No.

Detection Item

DTC Detection Condition

Trouble Area

U010087

Lost Communication with ECM/PCM "A" Missing Message

Lost communication with ECM

CAN communication system

U012687

Lost Communication with Steering Angle Sensor Module Missing Message

Lost communication with skid control ECU assembly

CAN communication system

U012987

Lost Communication with Brake System Control Module "A" Missing Message

Lost communication with steering sensor

CAN communication system

U013187

Lost Communication with Power Steering Control Module Missing Message

Lost communication with skid control ECU assembly

CAN communication system

U014087

Lost Communication with Body Control Module Missing Message

Lost communication with main body ECU (multiplex network body ECU)

CAN communication system

U029387

Lost Communication with Hybrid/EV Powertrain Control Module Missing Message

Lost communication with hybrid vehicle control ECU assembly

CAN communication system

U114F87

Lost Communication with Power Integration Module Missing Message

Lost communication with main body ECU (multiplex network body ECU)

CAN communication system

CAUTION / NOTICE / HINT

NOTICE:

When checking for DTCs, make sure that the blind spot monitor system is turned on.

PROCEDURE

1.

CHECK DTC

(a) Recheck for DTCs and check if the same DTC is output again.

Body Electrical > Blind Spot Monitor "B" > Trouble Codes

Result

Proceed to

U010087,U012687, U012987, U013187, U014087, U029387,U114F87 and U023287 is output

A

U010087,U012687, U012987, U013187, U014087, U029387,U114F87 and U023287 is output

B

DTCs are not output

C

None of the above conditions are met

D

HINT:

  • If CAN communication system DTCs are stored, they may also be stored for other systems.
  • If the CAN communication system has been inspected and repaired, the DTCs will not be output when rechecking for DTCs.
  • If these DTCs are output frequently, duplicate the conditions that cause the problem symptoms and perform the inspection again, even if the DTCs were not output when rechecking for DTCs.

    Click here 2019 - 2025 MY Corolla Corolla Hatchback Corolla HV GR Corolla [06/2018 -        ]; INTRODUCTION: HOW TO TROUBLESHOOT ECU CONTROLLED SYSTEMS: HOW TO PROCEED WITH TROUBLESHOOTING

A

GO TO DTC U023287

B

GO TO CAN COMMUNICATION SYSTEM

for Gasoline Model: Click here 2023 MY Corolla Corolla Hatchback GR Corolla [11/2022 - 08/2023]; NETWORKING: CAN COMMUNICATION SYSTEM (for Gasoline Model): HOW TO PROCEED WITH TROUBLESHOOTING 2024 - 2025 MY Corolla Corolla Hatchback GR Corolla [08/2023 -        ]; NETWORKING: CAN COMMUNICATION SYSTEM (for Gasoline Model): HOW TO PROCEED WITH TROUBLESHOOTING

for HV Model: Click here 2023 - 2025 MY Corolla Corolla HV [09/2022 -        ]; NETWORKING: CAN COMMUNICATION SYSTEM (for HV Model): HOW TO PROCEED WITH TROUBLESHOOTING

C

USE SIMULATION METHOD TO CHECK

D

GO TO DIAGNOSTIC TROUBLE CODE CHART