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Home >> Subaru >> 2020 >> Legacy Base >> Repair and Diagnosis (Single Page) >> Heating, Ventilation & A/C (HVAC) >> HVAC Control Systems >> HVAC System (Diagnostics) >> Diagnostic Procedure with Diagnostic Trouble Code (DTC) >> DTC U0073: Control Module Communication Bus Off >> DTC U0073 Control Module Communication Bus Off

DTC U0073 Control Module Communication Bus Off

Detected when malfunction occurs in CAN line. (Bus off)

NOTE: Perform the diagnosis for LAN system. Refer to LAN SYSTEM (DIAGNOSTICS)>Basic Diagnostic Procedure>PROCEDURE .
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