P0240: Turbocharger Boost Sensor B Circuit Range/Performance

MediumPowertrainTurbo/Supercharger

What does P0240 mean?

P0240 is a diagnostic trouble code indicating "Turbocharger Boost Sensor B Circuit Range/Performance". The sensor or component is providing readings, but they fall outside the expected operating range. The part may be degraded, contaminated, or experiencing intermittent issues affecting turbo/supercharger performance.

Common causes

  • Worn or contaminated turbo/supercharger component
  • Vacuum leak or intake air leak
  • Clogged filter or restricted flow
  • Intermittent electrical connection issue

What should you do?

Schedule a diagnostic appointment at your earliest convenience. The vehicle is generally safe to drive short distances, but the underlying issue should be addressed to prevent it from worsening.

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Code P0240 can mean different things depending on your vehicle. TorqueBot gives you a diagnosis specific to your make, model, and year.

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Related codes

P0239Turbocharger Boost Sensor B Circuit Malfunction
P0241Turbocharger Boost Sensor B Circuit Low
P0238Turbocharger Boost Sensor A Circuit High
P0242Turbocharger Boost Sensor B Circuit High