DESCRIPTION The skid control ECU (brake booster with master cylinder assembly) outputs this DTC when it receives an internal malfunction signal from the steering angle sensor.
PROCEDURE
(a) Replace the steering angle sensor. Click here
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Toyota Avalon (XX50) 2019-2022 Service & Repair Manual > Pre-collision System(for Gasoline Model): Diagnostic Trouble Code Chart
DIAGNOSTIC TROUBLE CODE CHART Pre-collision System DTC No. Detection Item Link C1A01 Driving Support ECU C1A02 Vehicle Information Not Obtained C1A0A Front Radar Sensor Region Code Mismatch C1A10 Front Radar Sensor C1A11 Front Radar Sensor Incorrect Axial Gap C1A14 Front Radar Sensor Beam Axis Not A ...