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Home >> Hyundai >> 2015 >> Sonata Eco >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 84 (HEV Control System Diagnosis (HEV)) >> DTC P0504: Brake Switch 'A' 'B' Correlation >> General Information >> DTC Description

DTC Description

WARNING: This page is about a different variant/trim than selected.

DTC P0504 is set when the HCU detects there is no brake pedal pressed signal under the condition that brake pedal should be pressed or correlation is occurred, or there is a brake pedal pressed signal under the condition that brake pedal should not be pressed.

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