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2020 NISSAN NV

5.6L V8FWDAUTOMATICgas
Repairs0Labor595Torque4740Fluid6DTC927Battery0Maintenance0Recalls0
P1443low severityPowertrain

EVAP Canister Control Vacuum Switch Circuit

on 2020 Nissan NV 5.6L V8 · FWD

What this code means

Fault in EVAP canister control vacuum switch for leak detection.

Symptoms

  • CEL
  • EVAP monitor incomplete
  • Failed emissions

Common causes

  • Faulty vacuum switch
  • Damaged wiring
  • EVAP leak
  • Faulty purge solenoid

Diagnostic steps

  1. Test vacuum switch
  2. Inspect wiring
  3. Smoke test EVAP
  4. Test purge solenoid

Repair notes

Replace vacuum switch or repair leak.

Other Powertrain codes on this vehicle

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