Toyota Yaris: Lighting System / Lost Communication With ECM/PCM "A" Missing Message (U010087,U012687,U012987,U013487,U014087)

Toyota Yaris XP210 (2020-2022) Reapir and Service Manual / Vehicle Exterior / Lighting (ext) / Lighting System / Lost Communication With ECM/PCM "A" Missing Message (U010087,U012687,U012987,U013487,U014087)

DESCRIPTION

These DTCs are stored if a CAN communication malfunction occurs between the forward recognition camera and other ECUs.

DTC No.

Detection Item

DTC Detection Condition

Trouble Area

U010087

Lost Communication With ECM/PCM "A" Missing Message

The forward recognition camera does not receive data from the ECM for approximately 5 seconds or more.

  • CAN communication system
  • ECM

U012687

Lost Communication with Steering Angle Sensor Module Missing Message

The forward recognition camera does not receive data from the steering sensor for approximately 5 seconds or more.

  • CAN communication system
  • Steering sensor

U012987

Lost Communication with Brake System Control Module Missing Message

The forward recognition camera does not receive data from the skid control ECU (brake actuator assembly) for approximately 5 seconds or more.

  • CAN communication system
  • Skid control ECU (brake actuator assembly)

U013487

Lost Communication with Power Steering Control Module Rear Missing Message

The forward recognition camera does not receive data from the power steering ECU assembly for approximately 5 secondsor more.

  • CAN communication system
  • Power steering ECU assembly

U014087

Lost Communication with Body Control Module Missing Message

The forward recognition camera does not receive data from the main body ECU (multiplex network body ECU) for approximately 5 seconds or more.

  • CAN communication system
  • Main body ECU (multiplex network body ECU)

PROCEDURE

1.

CLEAR DTC

(a) Clear the DTCs.

Body Electrical > Front Recognition Camera (Front Lighting Control) > Clear DTCs
NEXT

2.

CHECK FOR DTC

(a) Turn the ignition switch to ON.

(b) Wait 10 seconds or more.

(c) Turn the GTS on.

(d) Enter the following menus: Body Electrical / Front Recognition Camera (Front Lighting Control) / Trouble Codes.

(e) Check for DTCs.

Body Electrical > Front Recognition Camera (Front Lighting Control) > Trouble Codes

Result

Proceed to

DTC are not output

A

U010087, U012687, U012987, U014087 or U029387 are output

B

None of the above conditions are met

C

A

USE SIMULATION METHOD TO CHECK

B

GO TO CAN COMMUNICATION SYSTEM

C

GO TO DIAGNOSTIC TROUBLE CODE CHART

    Lost Communication with ECM/PCM "A" Missing Message (U010087,U012087,U012687,U012987,U015187,U015587,U016487,U016887)

    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...

    Lost Communication with Cruise Control Front Distance Range Sensor Signal Sensor or Center Missing Message (U023587)

    DESCRIPTION The forward recognition camera and millimeter wave radar sensor assembly communicate via CAN communication. If there is an error in the communication with the millimeter wave radar sensor assembly, the forward recognition camera stores DTC U023587...

    Other information:

    Toyota Yaris XP210 (2020-2022) Reapir and Service Manual: Components


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    Toyota Yaris XP210 (2020-2022) Reapir and Service Manual: Installation


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