LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Nissan-Datsun >> 2019 >> 370Z Base, 2D Convertible >> Repair and Diagnosis >> External Pages >> Different car >> Section 13 (Security Control System (DTC/Circuit Diagnosis)) >> DTC/Circuit Diagnosis >> DTC B2190: NATS Antenna Amp. >> DTC Logic >> DTC Detection Logic
April 5, 2026: LEMON Manuals is launched! Read the announcement.

DTC Detection Logic

WARNING: This page is about a different car, the 2017 Nissan 370Z and 2016 Nissan 370Z. However, it is still accessible from the selected car via links, so may be relevant.
DTC No. Trouble diagnosis name DTC detecting condition Possible cause
B2190 NATS ANTENNA AMP Inactive communication between key slot and BCM.
  • Harness or connectors

    (The key slot circuit is open or shorted)

  • Key slot
  • BCM