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DTC Detection Logic

WARNING: This page is about a different car, the 2010 Nissan Armada. However, it is still accessible from the selected car via links, so may be relevant.
DTC DETECTION CONDITION AND POSSIBLE CAUSE

DTC No. Trouble diagnosis name DTC detecting condition Possible cause
B2190 NATS ANTENNA AMP
  • Inactive communication between NATS antenna amp. and BCM.
  • Ignition key is malfunctioning.
  • Harness or connectors (The NATS antenna amp. circuit is open or shorted)
  • Ignition key
  • NATS antenna amp.
  • BCM