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Home >> Infiniti >> 2012 >> M35h >> Repair and Diagnosis >> Hybrid/Electric Powertrain >> Electric Converters and Controllers >> Hybrid Control System >> DTC/Circuit Diagnosis >> DTC U0111: Battery Energy Control Module >> DTC Logic >> DTC Detection Logic

DTC Detection Logic

DTC No. Trouble diagnosis name (Trouble diagnosis content) DTC detecting condition Possible cause
U0111 LOST COMM HV BATT CONT (Lost communication with Li-ion battery controller) When HPCM is not receiving CAN communication signal with Li-ion battery controller for 2 seconds or more in a row. Harness or connectors (CAN communication line is open or shorted.)
When HPCM is not receiving CAN communication signal with Li-ion battery controller for a short period of less than 2 seconds Harness or connectors (Intermittent malfunction in the CAN communication circuit)