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Home >> Hyundai >> 2015 >> Sonata Eco >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 64 (HEV Motor System Diagnosis (HEV)) >> DTC U1004: Lost Communication With Hybrid Powertrain Control Module (H-CAN) >> General Information >> General Description

General Information: General Description

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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.

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