Toyota Corolla Cross Owners & Service Manuals

Toyota Corolla Cross: Lost Communication with ECM/PCM "A" Missing Message (U010087,...,U110387)

Toyota Corolla Cross (2022-2024) Service Manual / Audio & Visual & Telematics / Park Assist / Monitoring / Parking Support Brake System / Lost Communication with ECM/PCM "A" Missing Message (U010087,...,U110387)

DESCRIPTION

These DTCs are stored if there is a malfunction in the CAN communication system connected to the clearance warning ECU assembly.

HINT:

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

DTC No.

Detection Item

DTC Detection Condition

Trouble Area

U010087

Lost Communication with ECM/PCM "A" Missing Message

The clearance warning ECU assembly is unable to receive data from the ECM for 5.12 seconds or more

CAN communication system

U012587

Lost Communication with Multi-axis Acceleration Sensor Module Missing Message

The clearance warning ECU assembly is unable to receive data from the airbag sensor assembly for 0.72 seconds or more

CAN communication system

U012687

Lost Communication with Steering Angle Sensor Module Missing Message

The clearance warning ECU assembly is unable to receive data from the steering sensor for 5.04 seconds or more

CAN communication system

U012987

Lost Communication with Brake System Control Module Missing Message

The clearance warning ECU assembly is unable to receive data from the skid control ECU for 5 seconds or more

CAN communication system

U014087

Lost Communication with Body Control Module Missing Message

The clearance warning ECU assembly is unable to receive data from the main body ECU (multiplex network body ECU) for 5 seconds or more

CAN communication system

U015587

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

The clearance warning ECU assembly is unable to receive data from the combination meter assembly for 5 seconds or more

CAN communication system

U016487

Lost Communication with HVAC Control Module Missing Message

The clearance warning ECU assembly is unable to receive data from the air conditioning amplifier assembly for 5 seconds or more

CAN communication system

U023387

Lost Communication with Side Obstacle Detection Control Module "B" Missing Message

The clearance warning ECU assembly is unable to receive data from the blind spot monitor sensor LH (B) for 5 seconds or more

CAN communication system

U029387

Lost Communication with Hybrid/EV Powertrain Control Module Missing Message

Lost communication with hybrid vehicle control ECU

CAN communication system

U110387

Lost Communication with Stop and Start Control Module Missing Message

No communication between the engine stop and start ECU and the clearance warning ECU assembly for 5 second.

CAN communication system

PROCEDURE

1.

CLEAR DTC

(a) Clear the DTCs.

Body Electrical > Clearance Warning > Clear DTCs
NEXT

2.

CHECK FOR DTC

(a) Check for DTCs.

Body Electrical > Clearance Warning > Trouble Codes

Result

Proceed to

U010087, U012587, U012687, U012987, U014087, U015587, U016487, U023387, U029387 or U110387 is output

A

DTCs are not output

B

None of the above conditions are met

C

A

GO TO CAN COMMUNICATION SYSTEM

  • for HEV Model:

    Click here

  • for Gasoline Model:

    Click here

B

USE SIMULATION METHOD TO CHECK

C

GO TO DTC CHART

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