General Information

HEV Control System
U1001 High Speed CAN Communication Bus (H-CAN) - General Information

Component Location





General Description

H-CAN communication has a low line and a high line plus two resisters installed in BMS and HCU. This allows communications with other control module(PCM,MCU).

DTC Description

DTC U1001 is set when HCU detects H-CAN communication error.

DTC Detecting Condition





Diagnostic Circuit Diagram










Signal Waveform & Data