FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
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General Information





Active Hydraulic Booster
C1806 CAN Time-out MCU - General Information

Component Location





General Description

The AHB ECU(Electronic Control Unit) sends requirement data, such as maximum capability of booster pressure, to the HECU and MCU, HCU. through CAN bus line. The HCU orders making proper braking force to AHB ECU, regarding regenerative braking of MCU.

DTC Description

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

DTC Detecting Condition





Diagnostic Circuit Diagram