DTC Detection Logic

WARNING: This page is about a different car, the 2020 Infiniti Q50. However, it is still accessible from the selected car via links, so may be relevant.

DTC No.

CONSULT screen items

(Trouble diagnosis content)

DTC detecting condition

B2603

SHIFT POSI STATUS

(Shift position status)

BCM detects the following status when ignition switch is in the ON position.

P/N position signal: approx. 0 V (Other than P/N position)
A/T shift selector (detention switch) signal: approx. 0 V (P position)