Hyundai Ioniq (AE): Brake System / Parking Brake System

Troubleshooting1. 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.

Components1. Parking brake pedal2. Parking brake cable3. Equalizer assembly4. Brake disc5. Brake caliper

Other information:

Hyundai Ioniq (AE) 2017-2022 Service & Repair Manual: Ambient Temperature Sensor. Components and components location

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Hyundai Ioniq (AE) 2017-2022 Service & Repair Manual: Special service tools

Special Service Tools Tool Name / Number Illustration Description LKA Compensator(09964-C1100)Used for compensating front view camera unitBCW Sensor Correction Tool Set(09958-3T500)Used to correct the blind-spot radar unit.

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