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2021 BMW I3
Range Extender•RWD•AUTOMATIC•hybrid
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Repairs0Labor318Torque3717Fluid6DTC2228Battery1Maintenance0Recalls0
CC-ID-391critical severityBody

Multiple restraint system fault

on 2021 BMW i3 Range Extender · RWD

What this code means

A fault affecting multiple restraint or airbag components has been detected. Raised by the airbag/SRS control module.

Symptoms

  • Airbag warning light on
  • Multiple restraint warnings
  • SRS message on dash

Common causes

  • Faulty airbag control module
  • Multiple sensor faults
  • Wiring harness fault
  • Connector corrosion

Diagnostic steps

  1. Scan SRS module for fault codes
  2. Inspect airbag wiring harness
  3. Check restraint connectors
  4. Test individual restraint components
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