P2600high severityPowertrain

Coolant Pump A Control Circuit Open

on 2001 Subaru Outback 3.0L H6 · AWD

What this code means

Open circuit in the electric auxiliary coolant pump control wiring.

Symptoms

  • Engine overheating
  • Check engine light
  • No cabin heat
  • Turbo overheating

Common causes

  • Failed coolant pump
  • Broken wiring
  • Corroded connector
  • Blown fuse

Diagnostic steps

  1. Check fuse
  2. Inspect pump connector
  3. Measure pump motor resistance

Repair notes

Replace coolant pump or repair wiring. Check for overheating damage.

Other Powertrain codes on this vehicle

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