Toyota Yaris: Lane Tracing Assist System / Internal Control Module Software Incompatibility Not Programmed (U030051,U030057)

Toyota Yaris XP210 (2020-2026) Reapir and Service Manual / Engine & Hybrid System / Cruise Control / Lane Tracing Assist System / Internal Control Module Software Incompatibility Not Programmed (U030051,U030057)

DESCRIPTION

The forward recognition camera receives vehicle information from the ECM via the CAN communication line. If the forward recognition camera cannot confirm the vehicle information sent from the ECM, the forward recognition camera stores DTC U030051.

The forward recognition camera receives vehicle information from the ECM via the CAN communication line. If the vehicle information stored in the forward recognition camera does not match the vehicle information sent from the ECM, the forward recognition camera stores DTC U030057.

DTC No.

Detection Item

DTC Detection Condition

Trouble Area

U030051

Internal Control Module Software Incompatibility Not Programmed

When the ignition switch is ON for 3 seconds or more, the forward recognition camera cannot confirm the vehicle information sent from the ECM for approximately 2 seconds or more.

Front camera system

U030057

Internal Control Module Software Incompatibility Invalid/Incompatible Software Component

When the ignition switch is ON for 3 seconds or more, the vehicle information stored in the forward recognition camera does not match the vehicle information sent from the ECM for approximately 1 second or more.

Front camera system

PROCEDURE

1.

GO TO FRONT CAMERA SYSTEM

HINT:

If U030051 or U030057 is output by the lane tracing assist system, perform troubleshooting for the front camera system DTC U030051 or U030057.

Click here

NEXT

END

    Lost Communication with Cruise Control Front Distance Range Sensor Single 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...

    Steering Pad Switch Circuit

    DESCRIPTION The forward recognition camera receives LTA main switch signals from the steering pad switch assembly. WIRING DIAGRAM CAUTION / NOTICE / HINT NOTICE: When replacing the forward recognition camera, always replace it with a new one...

    Other information:

    Toyota Yaris XP210 (2020-2026) Reapir and Service Manual: Terminals Of Ecu


    TERMINALS OF ECU CHECK MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) AND INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY *1 Power Distribution Box Assembly *2 Main Body ECU (Multiplex Network Body ECU) (a) Remove the main body ECU (multiplex network body ECU) from the power distribution box assembly...

    Toyota Yaris XP210 (2020-2026) Reapir and Service Manual: Steering Angle Sensor Supply Voltage Circuit Circuit Short to Ground or Open (C14FE14)


    DESCRIPTION This DTC is stored when the skid control ECU (brake actuator assembly) receives a power supply malfunction signal from the steering sensor. DTC No. Detection Item DTC Detection Condition Trouble Area DTC Output from C14FE14 Steering Angle Sensor Supply Voltage Circuit Circuit Short to Ground or Open When the +BS terminal voltage is from 9...

    Categories

    Keys

    Toyota Yaris. Keys

    Smart key Auxiliary key Key code number plate

    To use the auxiliary key, press the knob and pull out the auxiliary key from the smart key.

    Toyota Yaris. Keys

    read more

     
    Copyright © 2026 www.toyaris4.com