Toyota Corolla Cross Owners & Service Manuals

Toyota Corolla Cross: Lost Communication With ECM/PCM "A" Missing Message (U010087,...,U111787)

Toyota Corolla Cross (2022-2024) Service Manual / Vehicle Exterior / Lighting (ext) / Lighting System (w/ Afs) / Lost Communication With ECM/PCM "A" Missing Message (U010087,...,U111787)

DESCRIPTION

These DTCs are stored if a CAN communication malfunction occurs between the main body ECU (multiplex network body ECU) and other ECUs.

DTC No.

Detection Item

DTC Detection Condition

Trouble Area

U010087

Lost Communication With ECM/PCM "A" Missing Message

The main body ECU (multiplex network body ECU) does not receive data from the ECM for approximately 10 seconds or more.

CAN communication system

U010187

Lost Communication with TCM Missing Message

The main body ECU (multiplex network body ECU) does not receive data from the TCM for approximately 10 seconds or more.

CAN communication system

U011187

Lost Communication with Hybrid/EV Battery Energy Control Module "A" Missing Message

The main body ECU (multiplex network body ECU) does not receive data from the hybrid vehicle control ECU for approximately 10 seconds or more.

CAN communication system

U012687

Lost Communication with Steering Angle Sensor Module Missing Message

The main body ECU (multiplex network body ECU) does not receive data from the steering sensor for approximately 10 seconds or more.

CAN communication system

U012987

Lost Communication with Brake System Control Module Missing Message

The main body ECU (multiplex network body ECU) does not receive data from the skid control ECU (brake actuator assembly) for approximately 10 seconds or more.

CAN communication system

U015187

Lost Communication with Restraints Control Module Missing Message

The main body ECU (multiplex network body ECU) does not receive data from the airbag sensor assembly for approximately 10 seconds or more.

CAN communication system

U015587

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

The main body ECU (multiplex network body ECU) does not receive data from the combination meter assembly for approximately 10 seconds or more.

CAN communication system

U016387

Lost Communication with Navigation Control Module Missing Message

The main body ECU (multiplex network body ECU) does not receive data from the radio receiver assembly for approximately 10 seconds or more.

CAN communication system

U016487

Lost Communication with HVAC Control Module Missing Message

The main body ECU (multiplex network body ECU) does not receive data from the air conditioning amplifier assembly for approximately 10 seconds or more.

CAN communication system

U016887

Lost Communication with Vehicle Security Control Module Missing Message

The main body ECU (multiplex network body ECU) does not receive data from the certification ECU (smart key ECU assembly) for approximately 10 seconds or more.

CAN communication system

U023087

Lost Communication with Rear Gate Module Missing Message

The main body ECU (multiplex network body ECU) does not receive data from the multiplex network door ECU for approximately 10 seconds or more.

CAN communication system

U023A87

Lost Communication with Image Processing Module "A" Missing Message

The main body ECU (multiplex network body ECU) does not receive data from the forward recognition camera for approximately 10 seconds or more.

CAN communication system

U024187

Lost Communication with Headlamp Control Module "A" Missing Message

The main body ECU (multiplex network body ECU) does not receive data from the headlight ECU sub-assembly LH for approximately 10 seconds or more.

CAN communication system

U029387

Lost Communication with Hybrid/EV Powertrain Control Module Missing Message

The main body ECU (multiplex network body ECU) does not receive data from the hybrid vehicle control ECU for approximately 10 seconds or more.

CAN communication system

U110487

Lost Communication with Driving Support ECU Missing Message

The main body ECU (multiplex network body ECU) does not receive data from the forward recognition camera for approximately 10 seconds or more.

CAN communication system

U110687

Lost Communication with Electric Parking Brake Module Missing Message

The main body ECU (multiplex network body ECU) does not receive data from the skid control ECU (brake actuator assembly) for approximately 10 seconds or more.

CAN communication system

U110787

Lost Communication with Power Management Module Missing Message

The main body ECU (multiplex network body ECU) does not receive data from the certification ECU (smart key ECU assembly) for approximately 10 seconds or more.

CAN communication system

U111087

Lost Communication with Clearance Sonar Module Missing Message

The main body ECU (multiplex network body ECU) does not receive data from the clearance warning ECU for approximately 10 seconds or more

CAN communication system

U111787

Lost Communication with Accessory Gateway Missing Message

The main body ECU (multiplex network body ECU) does not receive data from the option connector (bus buffer ECU) for approximately 10 seconds or more.

CAN communication system

PROCEDURE

1.

CLEAR DTC

(a) Clear the DTCs.

Body Electrical > Main Body > Clear DTCs
NEXT

2.

CHECK FOR DTC

(a) Turn the ignition switch to ON.

(b) Wait 20 seconds or more.

(c) Check for DTCs.

Body Electrical > Main Body > Trouble Codes

Result

Proceed to

DTCs are not output

A

U010087, U010187, U011187, U012687, U012987, U015187, U015587, U016387, U016487, U016887, U023087, U023A87, U024187, U029387, U110487, U110687, U110787, U111087 or U111787 is output

B

A

USE SIMULATION METHOD TO CHECK

B

GO TO CAN COMMUNICATION SYSTEM

for HEV Model: Click here

for Gasoline Model: Click here

    READ NEXT:

     Lost Communication with TCM Missing Message (U010187,U010087,U012987,U013187,U014087,U015587,U024287,U029387)

    DESCRIPTION These DTCs are stored if a CAN communication malfunction occurs between the headlight ECU sub-assembly LH and other ECUs. DTC No. Detection Item DTC Detection Condition Troubl

     Lost Communication with Steering Angle Sensor Module Missing Message (U012687,U012987,U014087,U015587,U024187)

    DESCRIPTION These DTCs are stored if a CAN communication malfunction occurs between the headlight ECU sub-assembly RH and other ECUs. DTC No. Detection Item DTC Detection Condition Troubl

     CAN Register Fixing Internal Electronic Failure (U100049)

    DESCRIPTION The headlight ECU sub-assembly LH or headlight ECU sub-assembly RH stores this DTC if it detects an internal malfunction related to the CAN communication system. DTC No. Detection I

    SEE MORE:

     Installation

    INSTALLATION CAUTION / NOTICE / HINT COMPONENTS (INSTALLATION) Procedure Part Name Code 1 SHIFT LEVER POSITION SENSOR SEAL - - - 2 SHIFT LEVER PO

     Power Back Door ECU Communication Stop Mode

    DESCRIPTION Detection Item Symptom Trouble Area Power Back Door ECU Communication Stop Mode Communication stop for "Back Door" is indicated on the "Communication Bus Check" screen of the GTS. Click here

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