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Home >> Kia >> 2012 >> Optima Hybrid >> Repair and Diagnosis >> Brakes >> Mechanical - Hydraulic >> Active Hydraulic Booster (AHB) System Diagnosis - HEV >> DTC C1807: Sub CAN bus off >> General Information >> DTC Description

DTC Description

The HECU checks the CAN communication lines for the normal ESC control, and sets this code if an AHB message is not received within 500ms.

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