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2015 FORD F-150
3.5L V6 EcoBoost•RWD•AUTOMATIC•gas•turbo
14 active safety recalls on this vehicle — view recalls
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Repairs418Labor995Torque7006Fluid18DTC3796Battery2Maintenance0Recalls14
P0033moderate severityPowertrain

Turbocharger/Supercharger Bypass Valve Control Circuit

on 2015 Ford F-150 3.5L V6 EcoBoost · RWD

What this code means

The computer detected a general fault in the turbo/supercharger bypass valve control circuit. This can affect boost control and engine performance.

Symptoms

  • Reduced boost
  • Loss of power
  • Check engine light on

Common causes

  • Faulty bypass valve solenoid
  • Wiring or connector fault
  • Vacuum line leak
  • Failed control module driver

Diagnostic steps

  1. Scan for boost-related codes
  2. Inspect bypass valve and wiring
  3. Test solenoid operation
  4. Check vacuum lines and control signal
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