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Home >> Hyundai >> 2021 >> Santa Fe Calligraphy, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 152 (Double Clutch Transmission System Diagnosis - 2.5T (4 Of 4) (Except HEV)) >> DTC U0100-87: Lost Communication With ECM/PCM >> DTC Information And Inspection >> DTC Description

DTC Description

WARNING: This page is about a different car, the 2022 Hyundai Santa Fe. However, it is still accessible from the selected car via links, so may be relevant.

The TCU monitors whether the information is consistent with the information sent via CAN-BUS line. If error data is sent from EMS for a certain period of time, this fault code is generated.

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