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Home >> Toyota >> 2020 >> Avalon Limited >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 31 (Pre-Collision System - Diagnostic Codes (Hybrid)) >> PRE-COLLISION SYSTEM (for HV Model) >> DTC C1A01: Driving Support ECU [04/2018 - 08/2021] >> Description

DTC C1A01: Driving Support ECU [04/2018 - 08/2021]: Description

WARNING: This page is about a different variant/trim than selected.

The driving support ECU assembly uses the millimeter wave radar sensor assembly to detect objects in front of the vehicle.

Based on signals from the millimeter wave radar sensor assembly, the driving support ECU assembly calculates the possibility of a collision and operates the pre-collision system if it determines that the possibility is high.

DTC No. Detection Item DTC Detection Condition Trouble Area
C1A01 Driving Support ECU When the power switch is on (IG), the driving support ECU assembly detects an internal malfunction for approximately 1 second. Driving support ECU assembly