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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
P0635moderate severityPowertrain

Power Steering Control Circuit

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

What this code means

The PCM detected a fault in the power steering control circuit. This can affect electric power steering assist or idle compensation.

Symptoms

  • Heavy or loss of steering assist
  • Check engine light on
  • Idle fluctuation during steering

Common causes

  • Faulty power steering control circuit wiring
  • Failed power steering pressure switch
  • Faulty power steering module
  • Faulty PCM

Diagnostic steps

  1. Scan for power steering related codes
  2. Inspect power steering control wiring and connectors
  3. Test power steering circuit voltage/continuity
  4. Verify operation of steering assist
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