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Home >> Kia >> 2016 >> Optima SX Limited >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 108 (Engine Control System Diagnosis - 1.6L (2 Of 3) - Optima (Except HEV)) >> DTC P0504: Brake Switch "A"/"B" Correlation >> DTC Information >> DTC Description

DTC Description

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

The PCM sets DTC P0504 if the PCM detects signal of the brake warning lamp and the brake switch does not correlate within the predetermined time.

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