DTC Detection Logic

WARNING: This page is about a different car, the 2020 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 Description .
If DTC B2602 is displayed with DTC U1010, first perform the trouble diagnosis for DTC U1010. Refer to DTC Description .

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