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Home >> Infiniti >> 2017 >> QX80 Base, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 120 (Security Control System (DTC/Circuit Diagnosis)) >> DTC/Circuit Diagnosis >> DTC B2602: Vehicle Speed Value With Selector Lever In P-Position >> DTC Logic >> DTC Detection Logic

DTC Detection Logic

WARNING: This page is about a different car, the 2016 Infiniti QX80. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
  • If DTC B2602 is displayed with DTC U1000, first perform the trouble diagnosis for DTC U1000. Refer to DTC LOGIC .
  • If DTC B2602 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
B2602 SHIFT POSITION BCM detects the following status for 10 seconds.
  • Selector lever is in the P position
  • Vehicle speed is 4 km/h (2.5 MPH) or more
  • Ignition switch is in the ON position
  • Harness or connectors

    (CAN communication line is open or shorted.)

  • Harness or connectors

    [A/T shift selector (detention switch) circuit is open or shorted.]

  • A/T shift selector (detention switch)
  • Combination meter
  • BCM
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