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Home >> Hyundai >> 2023 >> Tucson Plug-In Hybrid SEL >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis (PHEV) (8 Of 8) >> DTC U0104-00: Lost Communication With Cruise Control Module >> DTC Information And Inspection >> DTC Description

DTC Description

The ECM detects that a CAN message comes from front radar (FR_RDR) is not received it will throw a U010400.

(CAN Time Out: Communication among control modules is unavailable_power is not properly supplied to the control modules_poor contact of the main line - refer to "HIGH SPEED CAN COMMUNICATION ")

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