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Home >> Toyota >> 2020 >> Avalon Limited >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 82 (Electric Parking System - Diagnostic Codes & Symptom Tests (Hybrid)) >> ELECTRIC PARKING BRAKE SYSTEM (for HV Model) >> DTC C13A2: Engine Switch/Power Switch Malfunction [04/2018 - 08/2021] >> Description

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

WARNING: This page is about a different variant/trim than selected.

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:
  1. Power switch on (IG)
  2. 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.