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Home >> Lexus >> 2022 >> LS 500h AWD >> Repair and Diagnosis >> Brakes >> Parking Brake System >> Electric Parking Brake System (W/O Advanced Park) - Diagnostic Codes & Symptom Tests >> ELECTRIC PARKING BRAKE SYSTEM (w/o Advanced Park) >> DTC C13A6: Open or Short Circuit in Motor [10/2020 - 10/2023] >> Description

DTC C13A6: Open or Short Circuit in Motor [10/2020 - 10/2023]: Description

The parking brake cable tightening/loosening operation is performed by the parking brake actuator's motor.

DTC No. Detection Item DTC Detection Condition Trouble Area Memory Note
C13A6 Open or Short Circuit in Motor
  • Diagnosis Condition:

    Electric parking brake switch assembly is operated to lock side with power switch off or power switch is turned on (IG)

  • Malfunction Status:

    Parking brake motor circuit malfunction when power supply voltage and +B voltage are normal

  • Malfunction Duration:

    Approximately 1 to 2 seconds

  • Parking brake with bracket actuator assembly
  • Wire harness or connector
  • Parking brake ECU assembly
Yes An electric parking brake system malfunction is displayed on the multi-information display.
DTC DETECTION CONDITION COMBINATION TABLE: C13A6

  Vehicle Condition
Pattern 1 Pattern 2
Diagnosis Condition Electric parking brake switch assembly is operated to lock side with power switch off ◦ -
Power switch on (IG) - ◦
Malfunction Status Parking brake motor circuit malfunction when power supply voltage and +B voltage are normal ◦ ◦
Detection Time Approximately 1 to 2 seconds Approximately 1 to 2 seconds
Trip Count 1 trip 1 trip

HINT: 

If the conditions match either of these patterns, a DTC will be output.