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.

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END

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