P0527: Fan Speed Sensor Circuit Range/Performance

MediumPowertrainCooling System

What does P0527 mean?

P0527 is a diagnostic trouble code indicating "Fan Speed Sensor 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 cooling system performance.

Common causes

  • Worn or contaminated cooling system 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 P0527 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

P0526Fan Speed Sensor Circuit
P0528Fan Speed Sensor Circuit No Signal
P0529Fan Speed Sensor Circuit Intermittent
P0495Fan Speed High