Hyundai Tucson: Electronic Parking Brake (EPB)

Hyundai Tucson - Fourth generation (NX4) - (2020-2023) - Workshop Manual / Brake System / Parking Brake System / Electronic Parking Brake (EPB)


  1. ESC Control Module (HECU)
  2. EPB Switch
  3.  Electronic Parking Brake (EPB) actuator

Circuit Diagram

Electronic Parking Brake (EPB)- Removal

Electronic Parking Brake (EPB)- Removal


Be careful not to damage the parts located under the vehicle (floor under cover, fuel filter, fuel tank and canister) when raising the vehicle using the lift.

(Refer to General Information - "Lift and Support Points")

EPB Switch

  1. Turn ignition switch off and disconnect the battery (-) cable from the battery.
  2. Remove the floor console upper cover.

Refer to Body - "Floor Console Assembly"

  1. Disconnect the EPB switch connector (A).

  1. Remove the EPB switch (A) after loosening the screw.

  1. Remove the EPB actuator from rear caliper.

(Refer to Brake System - "Rear Disc Brake")

Electronic Parking Brake (EPB)- Installation

  1. Install in the reverse order of removal.
  2. After replacing the EPB actuator, make sure that the caliper is installed correctly by performing "Check assembling (ECU replaced)" from the option

ESC (Electronic Stability Control) System


     ESC (Electronic Stability Control) System

     Description of ESP

    Electronic Stability Control (ESC) recognizes critical driving conditions, such as panic reactions in dangerous situations, and stabilizes the vehicle by individual wheel braking and engine control input. ESC adds an additional function known a

     Warning Lamp Control( ABS/EBD)

    Warning Lamp Control ABS Warning Lamp module The active ABS warning lamp module indicates the self-test and failure status of the ABS. The ABS warning lamp shall be on : During the initialization phase after IGN ON. (continuously 3 second


     Five-step Troubleshooting

    Verify the complaint Turn on all the components in the problem circuit to verify the customer complaint. Note the symptoms. Do not begin disassembly or testing until you have narrowed down the problem area. Analyze the schematic Loo

     Additional seat belt safety precautions

    Seat belt use during pregnancy The seat belt should always be used during pregnancy. The best way to protect your unborn child is to protect yourself by always wearing the seat belt. Pregnant women should always wear a lap-shoulder seat belt.