DTC C13A2: Engine Switch/Power Switch Malfunction [04/2018 - 08/2021]: Description

WARNING: This page is about a different car, the 2022 Toyota Avalon, 2021 Toyota Avalon, 2020 Toyota Avalon, and 2019 Toyota Avalon. However, it is still accessible from the selected car via links, so may be relevant.

When the power switch is turned on (IG), power is supplied to the parking brake ECU (brake actuator assembly). This DTC is stored if IG power source voltage is not supplied to the parking brake ECU (brake actuator assembly) when communication with other ECUs is established.

DTC No.	Detection Item	DTC Detection Condition	Trouble Area	Memory	Note
C13A2	Engine Switch/Power Switch Malfunction	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 or connector IG power source circuit Parking brake ECU (brake actuator assembly)	DTC stored	An electric parking brake system malfunction is displayed on the multi-information display.