Toyota Yaris: Front Radar Sensor System / Diagnostic Trouble Code Chart

Toyota Yaris XP210 (2020-2026) Reapir and Service Manual / Engine & Hybrid System / Cruise Control / Front Radar Sensor System / Diagnostic Trouble Code Chart

DIAGNOSTIC TROUBLE CODE CHART

Front Radar Sensor System

DTC No.	Detection Item	Link
C1A1100	Front Radar Sensor Optical Axis Misalignment Malfunction
C1A8749	Microwave Integrated Circuit (VCO Circuit) in Front Radar Sensor Internal Electronic Failure
C1A8887	Microwave Integrated Circuit to Antenna in Front Radar Sensor Missing Message
C1A8987	Antenna to Microwave Integrated Circuit in Front Radar Sensor Missing Message
C1A8C08	Main Microcomputer in Front Radar Sensor Bus Signal / Message Failure
U030051	Internal Control Module Software Incompatibility Not Programmed
U030057	Internal Control Module Software Incompatibility Invalid/Incompatible Software Component
U032251	Software Incompatibility with Body Control Module Not Programmed
U032257	Software Incompatibility with Body Control Module Invalid/Incompatible Software Component

Data List / Active Test

DATA LIST / ACTIVE TEST DATA LIST NOTICE: In the table below, the values listed under "Normal Condition" are reference values. Do not depend solely on these reference values when deciding whether a part is faulty or not...

Front Radar Sensor Optical Axis Misalignment Malfunction (C1A1100)

DESCRIPTION The millimeter wave radar sensor assembly performs self-diagnosis to check for misalignment of its beam axis. If misalignment is detected, the millimeter wave radar sensor assembly stores DTC C1A1100...

Other information:

Toyota Yaris XP210 (2020-2026) Owner's Manual: Displayable Range on the Screen

The images on the screen may be different from the actual conditions. Screen display Actual view The displayable range varies depending on the vehicle and road conditions. The displayable range is limited. Objects under the bumper or around the bumper ends cannot be displayed...

Toyota Yaris XP210 (2020-2026) Reapir and Service Manual: License Plate Light Bulb

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