Hyundai Kona: Brake System / Stop Lamp Switch Troubleshooting

Troubleshooting

Part diagnosis

Items

Cause

Symptom

Switch fuse

Faulty fuse connection, Damaged fuse

–	DTC Code : P0504

–	Symptom : Shifting gear trouble, Starting failure, Cruise control function cancelation trouble, EPB function cancelation trouble, Stop lamp lighting trouble, ESP OFF light illuminated.

Schematic Diagram System circuit diagram Terminal function Teminal Description 1 IGN1 ...

Adjustment 1. Turn ignition switch OFF and disconnect the negative (-) battery cable. 2. Remove the lower crash pad. (Refer to Body ...

Hyundai Kona (OS) 2018-2025 Service Manual: Repair procedures
Removal 1. Disconnect the negative (-) battery terminal. 2. Remove the front bumper. (Refer tor Body - "Front Bumper") 3. Disconnect the DRL connector. ...