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Home >> Toyota >> 2013 >> Prius Plug-in >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Cruise Control Systems >> Dynamic Radar Cruise Control System (Diagnostic Codes & Circuit Tests) (Plug-In) >> Dynamic Radar Cruise Control System >> DTC C1A03: Driving Support ECU Internal Logical Error; DTC C1A06: Stop Light Switch Input Circuit >> Description
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DTC C1A03: Driving Support ECU Internal Logical Error; DTC C1A06: Stop Light Switch Input Circuit: Description

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

DTC No. DTC Detection Condition Trouble Area
C1A03 While power switch is on (IG) and dynamic radar cruise control system is operating, cruise control input signal is abnormal for 1 second or more Driving support ECU assembly
C1A06 While power switch is on (IG) and dynamic radar cruise control system is operating, stop light switch input signal is abnormal for 1 second or more Driving support ECU assembly