P0371: Timing Reference High Resolution Signal A Too Many Pulses

MediumPowertrainValve Timing

What does P0371 mean?

P0371 is a diagnostic trouble code indicating "Timing Reference High Resolution Signal A Too Many Pulses". This code relates to your vehicle's valve timing and should be diagnosed to determine the root cause. The severity level helps indicate how urgently this should be addressed.

Common causes

  • Faulty valve timing component
  • Wiring or connector issue in the related circuit
  • Failed sensor providing incorrect readings
  • Software/calibration issue requiring ECU update
  • Related component causing secondary fault

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 P0371 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

P0370Timing Reference High Resolution Signal A Malfunction
P0372Timing Reference High Resolution Signal A Too Few Pulses
P0369Camshaft Position Sensor B Circuit Intermittent (Bank 2)
P0373Timing Reference High Resolution Signal A Intermittent/Erratic Pulses