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2015 FORD F-150
5.0L V8 Coyote•RWD•AUTOMATIC•gas
14 active safety recalls on this vehicle — view recalls
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Repairs420Labor1001Torque8720Fluid18DTC3190Battery2Maintenance0Recalls14
P0550low severityPowertrain

Power Steering Pressure Sensor Circuit Malfunction

on 2015 Ford F-150 5.0L V8 Coyote · RWD

What this code means

The PCM detected a fault in the power steering pressure sensor circuit. This sensor tells the engine to adjust idle when steering load increases.

Symptoms

  • Rough or stalling idle when turning
  • Check engine light on
  • Erratic idle speed

Common causes

  • Faulty power steering pressure sensor
  • Damaged sensor wiring or connector
  • Low power steering fluid
  • Failed PCM input circuit

Diagnostic steps

  1. Read sensor data with scan tool
  2. Inspect wiring and connector
  3. Check power steering fluid level
  4. Test sensor signal at various steering loads
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