DTC C123A-14: IG1 Circuit Short to Ground or Open [08/2021 - ]: Description

DTC No.	Detection Item	DTC Detection Condition	Trouble Area	Memory	Note
C123A-14	IG1 Circuit Short to Ground or Open	Both of following conditions are met: Power switch on (IG) When hybrid vehicle control ECU communicates with main body ECU (multiplex network body ECU) via CAN communication, IG power supply voltage is not received for approximately 3 seconds.	Wire harness and connector Parking brake ECU (brake actuator assembly)	DTC stored	An electric parking brake system malfunction is displayed on the multi-information display.