ELECTRIC PARKING BRAKE SYSTEM FAIL-SAFE CHART

DTC Trouble Area Brake System Warning Light (Yellow Indicator) Parking Brake Indicator Light (Red) Fail-safe Deactivation Condition
C1245/62 Deceleration sensor Illuminates Normal Engine switch off
C13A0/11 Open in power supply relay circuit Illuminates (*1) Engine switch off
C13A1/12 Short in power supply relay circuit Illuminates Normal Engine switch off
C13A2/22 Engine / power switch malfunction Illuminates Normal Engine switch off
C13A3/31 Open or short in lock switch circuit Illuminates (*2) Engine switch off
C13A4/32 Open or short in release switch circuit Illuminates (*1) Electric parking brake switch assembly normal
C13A5/41 Electric current of motor Illuminates (*2) Engine switch off
C13A6/42 Open or short in circuit of motor Illuminates (*1) Engine switch off
C13A7/43 Actuator malfunction Illuminates Blinks Recovery not possible until parking brake with bracket actuator assembly becomes normal
C13A8/44 Tension sensor malfunction Illuminates Blinks Engine switch off (recovery not possible after release control performed during malfunction)
C13A9/61 Brake control system malfunction Illuminates Normal VSC system recovers normally
C13AA/71 Electric parking brake high temperature Does not illuminate Blinks Wait 1 minute
C13AB/33 Lock switch circuit Illuminates (*2) Engine switch off
C13AC/34 Release switch circuit Illuminates (*1) Electric parking brake switch assembly normal
C13AD/23 Open in +B circuit Illuminates (*1) Engine switch off
C13AE/72 System information not received Illuminates Blinks System information received
C13B0 Electric parking brake ECU malfunction Illuminates Normal (flashes when EEPROM malfunction occurs) Recovery not possible until parking brake ECU assembly becomes normal
U0073/51 Control module communication bus OFF Illuminates Normal Engine switch off
U0100/53 Lost communication with ECM/PCM Illuminates Normal Communication normal, engine switch off
U0124/55 Lost communication with lateral acceleration sensor module Illuminates Normal Communication normal, engine switch off
U0129/52 Lost communication with brake system control module Illuminates Normal Communication normal

Tech Tips

*1: Blinks only when lock control or release control request is received. For other cases, displays normally.

*2: Blinks only when lock control request is received. For other cases, displays normally.