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Home >> Nissan-Datsun >> 2021 >> NV2500 HD S >> Repair and Diagnosis >> External Pages >> Different car >> Section 144 (Security Control System (DTC/Circuit Diagnosis)) >> DTC/Circuit Diagnosis >> DTC B2603: Shift Position >> DTC Description >> DTC Detection Logic

DTC Detection Logic

WARNING: This page is about a different car, the 2018 Nissan Titan XD and 2018 Nissan Titan. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
  • If DTC B2603 is displayed with DTC B2601, first perform the trouble diagnosis for DTC B2601. Refer to DTC Description .

DTC No.

CONSULT screen terms (Trouble diagnosis content)

DTC Detection Condition

B2603

SHIFT POSI STATUS

Diagnosis condition

When the ignition switch is ON.

Signal (terminal)

-

Threshold

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

  • P (Park) position signal from TCM: approx. 0V
  • A/T shift selector (park position switch) signal: approx. 0V

Diagnosis delay time

-
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