B2320: Mirror Driver Horizontal Feedback Potentiometer Circuit Failure

MediumBodyDoors & Windows

What does B2320 mean?

B2320 is a diagnostic trouble code indicating "Mirror Driver Horizontal Feedback Potentiometer Circuit Failure". This code relates to your vehicle's doors & windows and should be diagnosed to determine the root cause. The severity level helps indicate how urgently this should be addressed.

Common causes

  • Faulty doors & windows 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 B2320 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

B2319Mirror Passenger Vertical Feedback Potentiometer Circuit Short to Ground
B2321Mirror Driver Horizontal Feedback Potentiometer Circuit Open
B2318Mirror Passenger Vertical Feedback Potentiometer Circuit Short to Battery
B2322Mirror Driver Horizontal Feedback Potentiometer Circuit Short to Battery