P2400moderate severityPowertrain

EVAP Leak Detection Pump Control Circuit Open

on 2005 Subaru Outback 2.5L H4 Turbo · AWD

What this code means

Open circuit in the EVAP leak detection pump control wiring.

Symptoms

  • Check engine light
  • EVAP monitor incomplete

Common causes

  • Broken wiring to LDP
  • Failed pump motor
  • Corroded connector
  • Blown fuse

Diagnostic steps

  1. Check fuse
  2. Inspect LDP connector
  3. Measure pump resistance
  4. Check wiring continuity

Repair notes

Repair wiring or replace leak detection pump.

Other Powertrain codes on this vehicle

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