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2021 BMW I3
Range Extender•RWD•AUTOMATIC•hybrid
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Repairs0Labor318Torque3717Fluid6DTC2228Battery1Maintenance0Recalls0
CC-ID-46low severityBody

Fasten Seat Belt

on 2021 BMW i3 Range Extender · RWD

What this code means

An occupant's seat belt is unbuckled while the vehicle is in use. Raised by the seat belt/restraint monitoring system.

Symptoms

  • Seat belt warning light
  • Chime or audible alert
  • Belt reminder on display

Common causes

  • Seat belt not fastened
  • Seat belt buckle switch fault
  • Seat occupancy sensor fault
  • Wiring fault

Diagnostic steps

  1. Fasten seat belt
  2. Check buckle switch operation
  3. Test seat occupancy sensor
  4. Inspect wiring and connectors
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