P1793: Intake Air Volume Circuit Malfunction

HighPowertrainIntake System

What does P1793 mean?

P1793 is a diagnostic trouble code indicating "Intake Air Volume Circuit Malfunction". A component in the intake system has been flagged as malfunctioning by the vehicle's ECU. This requires diagnosis to determine whether the part itself has failed or if there is a related wiring or control issue.

Common causes

  • Faulty intake system 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?

This is a significant issue that should be diagnosed and repaired soon. Avoid long trips or heavy driving until the problem is resolved. Continued driving may cause additional damage.

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Code P1793 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

P1538Intake Manifold Runner Control (Bank 2) Stuck Open
P1537Intake Manifold Runner Control (Bank 1) Stuck Open
P1520Intake Manifold Runner Control Circuit Malfunction
P1519Intake Manifold Runner Control (Stuck Closed)