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Home >> Toyota >> 2021 >> Avalon Touring >> Repair and Diagnosis >> Accessories & Equipment >> Collision/Avoidance >> Lane Departure Alert System - Diagnostic Codes & Circuit Tests (Except Hybrid) >> LANE DEPARTURE ALERT SYSTEM (w/ Steering Control) (for Gasoline Model) >> DTC C1A01: Driving Support ECU [04/2018 - 08/2021] >> Description

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

If the forward recognition camera detects a malfunction in the internal circuit of the driving support ECU assembly, DTC C1A01 is stored.

DTC No. Detection Item DTC Detection Condition Trouble Area
C1A01 Driving Support ECU 2 seconds after the engine switch is turned on (IG), a malfunction in the driving support ECU assembly internal circuit is detected for 5 seconds or more. Driving support ECU assembly