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Home >> Suzuki >> 2009 >> Equator Base, 4D Pickup >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (VQ40DE) - (4 Of 5) >> DTC U0101: CAN COMM Circuit >> On Board Diagnosis Logic
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On Board Diagnosis Logic

DTC DETECTING CONDITION AND POSSIBLE CAUSE

DTC No. Trouble diagnosis name DTC detecting condition Possible cause
U0101(1)
0101(1)
Lost communication with TCM
  • When ECM is not transmitting or receiving CAN communication signal of OBD (emission-related diagnosis) with TCM for 2 seconds or more.
  • CAN communication line between TCM and ECM
  • CAN communication line is open or shorted
(1) This self-diagnosis has the one trip detection logic (A/T)