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Home >> Infiniti >> 2013 >> M56 x >> Repair and Diagnosis >> Steering >> Manual Steering >> Steering Control System (With 4WAS) >> DTC/Circuit Diagnosis >> DTC U1000: Can Comm Circuit >> DTC Logic >> DTC Detection Logic
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DTC Detection Logic

DTC Display Item Malfunction detected condition Possible cause
U1000 CAN COMM When 4WAS main control unit is not transmitting or receiving CAN communication signal for 2 seconds or more. CAN communication error
When 4WAS main control unit is not transmitting or receiving 4WAS communication signal for 2 seconds or more. 4WAS communication line(1)/4WAS main control unit/4WAS front control unit error
(1) Communication line between 4WAS front control unit and 4WAS main control unit