P1400low severityPowertrain

EGRC Solenoid Valve

on 2010 Nissan Altima 2.5L I4 QR25DE · FWD

What this code means

Fault in the EGR control solenoid valve circuit. Resistance should be ~30 ohms.

Symptoms

  • CEL
  • Often no drivability symptoms
  • Stalling if EGR stuck open
  • Failed emissions

Common causes

  • Faulty EGRC solenoid
  • Open/short in harness
  • Poor connection
  • Carbon buildup

Diagnostic steps

  1. Test solenoid resistance
  2. Inspect wiring
  3. Check EGR operation
  4. Clean EGR passages

Repair notes

Replace EGRC solenoid.

Other Powertrain codes on this vehicle

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