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DTC C1A01: Driving Support ECU [11/2017 - 01/2023]: Description

This DTC indicates an internal malfunction of the driving support ECU assembly.

DTC No. Detection Item DTC Detection Condition Trouble Area
C1A01 Driving Support ECU When the engine switch is on (IG) and the dynamic radar cruise control system is operating, the driving support ECU assembly detects an internal malfunction for approximately 0.2 seconds or more. Driving support ECU assembly