B2131: Double Lock Feedback Failure

MediumBodyDoors & Windows

What does B2131 mean?

B2131 is a diagnostic trouble code indicating "Double Lock Feedback 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.

Get a diagnosis for YOUR car

Code B2131 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

B2130Double Lock Timeout Failure
B2129Central Lock Feedback Failure
B2128Central Lock Motor Failure
B2124Door Passenger Reset Switch Stuck Failure