Title: BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS: ELECTRONICALLY CONTROLLED BRAKE SYSTEM (for HV Model): C13AF; EPB System Malfunction; 2020 - 2022 MY Corolla Corolla HV [01/2019 - 09/2022]
DTC
C13AF
EPB System Malfunction
DESCRIPTION
The skid control ECU (brake booster with master cylinder assembly) is connected to the parking brake ECU (brake actuator assembly) via CAN communication. If an electric parking brake system malfunction occurs, this DTC is output.
DTC No.
Detection Item
INF Code
DTC Detection Condition
Trouble Area
MIL
Note
C13AF
EPB System Malfunction
420
Electric parking brake system malfunction signal continues for 1 second.
Parking brake ECU (brake actuator assembly)
Does not come on
Brake hold DTC
HINT:
EPB: Electric Parking Brake System
PROCEDURE
1.
CHECK DTC (ELECTRIC PARKING BRAKE SYSTEM)
(a) Check for electric parking brake system DTCs and record any codes that are output.