DTC C13A0/11: Open in Power Supply Relay Circuit; DTC C13A5/41: Electric Current of Motor; DTC C13B0: Electric Parking Brake ECU Malfunction [03/2017 - 09/2018]: Description

13A0/11, C13A5/41 and C13B0 are stored when a malfunction occurs in the internal power supply of the parking brake ECU assembly.

DTC No.	Detection Item	DTC Detection Condition	Trouble Area	Memory	Note
C13A0/11	Open in Power Supply Relay Circuit	Both of following conditions are met: Engine switch on (IG) or electric parking brake switch assembly pushed to lock side with engine switch off. Parking brake ECU assembly's power source relay is open for approximately 0.5 seconds.	Parking brake ECU assembly	Yes	An electric parking brake system malfunction is displayed on the multi-information display.
C13A5/41	Electric Current of Motor	All of following conditions are met: Engine switch on (IG) or electric parking brake switch assembly pushed to lock side with engine switch off. Parking brake ECU assembly's internal current is abnormal. When parking brake is operating, problem occurs for approximately 0.3 seconds.; when parking brake is not operating, problem occurs for approximately 0.5 seconds.	Parking brake ECU assembly	Yes	An electric parking brake system malfunction is displayed on the multi-information display.
C13B0	Electric Parking Brake ECU Malfunction	All of following conditions are met: Engine switch on (IG) or electric parking brake switch assembly pushed to lock side with engine switch off. Parking brake ECU assembly's internal voltage is abnormal, or EEPROM is malfunctioning. Problem occurs for approximately 0.5 seconds.	Parking brake ECU assembly	Yes	An electric parking brake system malfunction is displayed on the multi-information display.