B2124: Door Passenger Reset Switch Stuck Failure

HighBodyDoors & Windows

What does B2124 mean?

B2124 is a diagnostic trouble code indicating "Door Passenger Reset Switch Stuck 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?

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.

Get a diagnosis for YOUR car

Code B2124 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

B2120Door Passenger Set Switch Stuck Failure
B2128Central Lock Motor Failure
B2129Central Lock Feedback Failure
B2130Double Lock Timeout Failure