General Information

Active Hydraulic Booster
C1647 CAN Hardware Error - Sensor Channel - General Information

Component Location





General Description

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.
The sensor channel CAN hardward is installed in AHB ECU.

DTC Description

The AHB ECU checks the CAN H/W(sensor channel) for normal AHB control, and sets this code if a CAN H/W(sensor channel) malfunction is detected.

DTC Detecting Condition





Diagnostic Circuit Diagram