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Home >> Hyundai >> 2015 >> Sonata Eco >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 114 (Antilock Brake System/Electronic Stability Control System Diagnosis (HEV)) >> DTC C1807: Sub CAN Bus Off >> General Information >> General Description

General Information: General Description

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

The AHB ECU (Electronic Control Unit) has two CAN hardwares, first is used for power train CAN Communication, second (Sensor Channel) is auxiliary CAN used for communication between AHB ECU and HECU. We call that as sub CAN bus.

The sensor channel CAN hardward is installed in AHB ECU.

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