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Diagnose/P0049
P0049Critical SeverityEngine

Turbo/Supercharger Turbine Overspeed

What This Means

The turbocharger turbine is spinning faster than its maximum safe speed. This is a serious condition that can damage the turbocharger and engine if not addressed.

Common Symptoms

  • Excessive boost pressure
  • Turbo whine or scream
  • Potential engine damage
  • Check engine light on

Common Causes

  • Failed wastegate actuator
  • Boost control solenoid stuck
  • Exhaust restriction downstream
  • Turbocharger bearing failure
  • Boost pressure sensor error

Estimated Repair Cost

$500 – $3000
Parts and labor (varies by vehicle and location)
Difficulty:Professional

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For informational purposes only. Diagnostic trouble codes are starting points for diagnosis, not definitive answers. Always consult a certified mechanic for proper diagnosis and repair. Estimated costs vary by vehicle, location, and shop rates.