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DTC Detection Logic

NOTE:
  • If DTC P1612 is displayed with DTC U1000, first perform the trouble diagnosis for DTC U1000. Refer to "DTC INDEX ".
DTC DETECTION LOGIC CHART

DTC No. Trouble diagnosis name DTC detecting condition Possible cause
P1612 CHAIN OF BCM-ECM Inactive communication between ECM and BCM
  • Harness or connectors (The CAN communication line is open or short)
  • BCM
  • ECM