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Home >> Hyundai >> 2015 >> Sonata Eco >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 78 (Telematics Unit Diagnosis (HEV)) >> DTC B2800: MM CAN Bus Off Error >> General Information >> General Description

General Information: General Description

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The CAN Communication consists of a twisted pair of network wires. One CAN low line and one CAN high line. The CAN lines pass through the Head Unit and AMP modules.

This allows the TMU to communicate with each module.

TMU exchange messages with head unit, MPG from cluster for eco coach service and GPS data from AVN head unit for LBS service through the CAN.

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