P1627: Module Supply Voltage Out Of Range

MediumPowertrainElectrical/Charging

What does P1627 mean?

P1627 is a diagnostic trouble code indicating "Module Supply Voltage Out Of Range". This code relates to your vehicle's electrical/charging and should be diagnosed to determine the root cause. The severity level helps indicate how urgently this should be addressed.

Common causes

  • Faulty electrical/charging 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 P1627 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

P1629Internal Voltage Regulator Malfunction
P1632Smart Alternator Faults Sensor/Circuit Malfunction
P1633KAM Voltage Too Low
P1655Starter Disable Circuit Malfunction