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2021 BMW I3
Range Extender•RWD•AUTOMATIC•hybrid
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Repairs0Labor318Torque3717Fluid6DTC2228Battery1Maintenance0Recalls0
CC-ID-32low severityPowertrain

Fuel cap open

on 2021 BMW i3 Range Extender · RWD

What this code means

The fuel filler cap is not properly closed or sealed. Raised by the evaporative emissions / fuel system monitoring.

Symptoms

  • Fuel cap warning message
  • Possible check engine light
  • Fuel odor

Common causes

  • Fuel cap loose or not fully tightened
  • Damaged cap seal
  • Faulty cap sensor
  • Evap system leak

Diagnostic steps

  1. Retighten fuel cap until it clicks
  2. Inspect cap seal for damage
  3. Replace cap if worn
  4. Check evap system for leaks
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