C1730: Reference Voltage Out of Range (+5 v)

MediumChassisChassis Electronics

What does C1730 mean?

C1730 is a diagnostic trouble code indicating "Reference Voltage Out of Range (+5 v)". This code relates to your vehicle's chassis electronics and should be diagnosed to determine the root cause. The severity level helps indicate how urgently this should be addressed.

Common causes

  • Faulty chassis electronics 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 C1730 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

C1729Transfer Case unable to transition between 4H and 4L
C1728Transfer Case unable to transition between 2H and 4H
C1739Right Front Center Sensor Circuit Short to Vbat
C1740Right Front Center Sensor Circuit Failure