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 15 seconds.	Wire harness and connector Parking brake ECU (brake actuator assembly)	DTC stored	An electric parking brake system malfunction is displayed on the combination meter assembly.