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Home >> Toyota >> 2021 >> Highlander LE, 4WD >> Repair and Diagnosis >> Brakes >> Parking Brake System >> Electric Parking Brake System (Except HV) - Diagnostic Codes & Symptom Tests >> ELECTRIC PARKING BRAKE SYSTEM (for Gasoline Model) >> DTC C0597-04: Brake System Control Module "A" System Internal Failure; DTC C0597-46: Brake System Control Module "A" Calibration / Parameter Memory Failure; DTC C13CF-1C: Left Electric Parking Brake Actuator Current Sensor Circuit Voltage Out of Range; DTC C13D4-1C: Right Electric Parking Brake Actuator Current Sensor Circuit Voltage Out of Range [12/2019 - ] >> Caution / Notice / Hint

Caution / Notice / Hint

NOTE:
  • The electric parking brake may still operate up to 20 seconds after the ignition switch is turned off. Before disconnecting connectors or fuses, turn the ignition switch off and wait 20 seconds or more.
  • After replacing the skid control ECU (brake actuator assembly), perform yaw rate and acceleration sensor zero point calibration and store system information memorization.

    Refer to UTILITY [12/2019 - 11/2023] , or refer to UTILITY [11/2023 - ]

  • When replacing the skid control ECU (brake actuator assembly), operate the electric parking brake switch (electric parking brake switch assembly) as the parking brake indicator light (red) blinks when the ignition switch is first turned ON.
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