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Home >> Infiniti >> 2017 >> QX80 Base, RWD >> Repair and Diagnosis (Single Page) >> Body & Frame >> Door Locks >> Security Control System (DTC/Circuit Diagnosis) >> DTC/Circuit Diagnosis >> DTC B2604: Shift Position >> DTC Logic >> DTC Detection Logic
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DTC Detection Logic

NOTE:
  • If DTC B2604 is displayed with DTC U1000, first perform the trouble diagnosis for DTC U1000. Refer to DTC LOGIC .
  • If DTC B2604 is displayed with DTC U1010, first perform the trouble diagnosis for DTC U1010. Refer to DTC LOGIC .
DTC No. Trouble diagnosis name DTC detecting condition Possible cause
B2604 PNP/CLUTCH SW The following states are detected for 5 seconds while ignition switch is ON.
  • P/N position signal is sent from TCM but shift position signal input (CAN) from TCM is other than P and N
  • P/N position signal is not sent from TCM but shift position signal input (CAN) from TCM is P or N
  • Harness or connectors

    (CAN communication line is open or shorted.)

  • Harness or connectors

    (TCM circuit is open or shorted.)

  • TCM
  • BCM
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