Toyota Corolla Cross Owners & Service Manuals

Toyota Corolla Cross: Diagnostic Trouble Code Chart

Toyota Corolla Cross (2022-2025) Service Manual / ADAS & AD / Advanced Driver Assistance System / Front Radar Sensor System / Diagnostic Trouble Code Chart

DIAGNOSTIC TROUBLE CODE CHART

Front Radar Sensor System

DTC No.

Detection Item

DTC Output from

Link

C1A1100

Front Radar Sensor Optical Axis Misalignment Malfunction

Front Radar Sensor

C1A8C04

Main Microcomputer in Front Radar Sensor System Internal Failure

Front Radar Sensor

C1A8C46

Main Microcomputer in Front Radar Sensor Calibration/Parameter Memory Failure

Front Radar Sensor

C1A8D1C

Power Supply Circuit in Front Radar Sensor Circuit Voltage Out of Range

Front Radar Sensor

C1A9000

Malfunction of Millimeter-wave Circuit in Front Radar Sensor

Front Radar Sensor

U010487

Lost Communication with Cruise Control Module Missing Message

Front Radar Sensor

U130C51

Software Incompatibility with Image Processing Module "A" Not Programmed

Front Radar Sensor

U130C57

Software Incompatibility with Image Processing Module "A" Invalid/Incompatible Software Component

Front Radar Sensor

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    VEHICLE CONTROL HISTORY (RoB) NOTICE: Vehicle control history may be recorded due to the replacement or repair of related parts. When checking the Vehicle Control History, make sure to rec

     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 st

     Main Microcomputer in Front Radar Sensor System Internal Failure (C1A8C04,C1A8C46,C1A8D1C,C1A9000)

    DESCRIPTION When an internal malfunction is detected in the millimeter wave radar sensor assembly, a DTC is stored. DTC No. Detection Item DTC Detection Condition

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    REPLACEMENT CAUTION / NOTICE / HINT The necessary procedures (adjustment, calibration, initialization, or registration) that must be performed after parts are removed and installed, or replaced during the transfer case oil seal removal/installation are shown below. Necessary Procedures After

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