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2021 NISSAN FRONTIER

3.8L V64WDAUTOMATICgas
2 active safety recalls on this vehicle — view recalls
Repairs0Labor516Torque3956Fluid9DTC927Battery0Maintenance0Recalls2
U0163low severityNetwork

Lost Communication with Navigation Module

on 2021 Nissan Frontier 3.8L V6 · 4WD

What this code means

Cannot communicate with the navigation processing module separate from the display.

Symptoms

  • Navigation function unavailable
  • Map calculations not processing
  • Route guidance not working

Common causes

  • Navigation processor failure
  • CAN bus wiring
  • Module power loss
  • Fuse blown
  • GPS antenna issue

Diagnostic steps

  1. Check navigation module fuse
  2. Test power and ground
  3. Check CAN wiring
  4. Verify GPS antenna connection
  5. Test module with diagnostics

Repair notes

Check fuses and GPS antenna cable. Navigation processor may need map data update.

Other Network codes on this vehicle

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