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





HEV Control System
U0100 Lost Communication With ECM/PCM \'A\' (C-CAN) - General Information

Component Location





General Description

Several control units are applied to electronically controlled vehicles. These units perform each control with informations from various sensors. Thus, sharing signal information from sensors is needed, so CAN communication type whose communication speed is high and insensitive to electrical noise by spark generation is adopted to controlling power-train & Chassis & HEV.

DTC Description

The HCU sets DTC U0100 if it has not received a CAN signal for 0.5 seconds.

DTC Detecting Condition





Diagnostic Circuit Diagram










Signal Waveform & Data