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2021 BMW I3
Range Extender•RWD•AUTOMATIC•hybrid
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Repairs0Labor318Torque3717Fluid6DTC2228Battery1Maintenance0Recalls0
CC-ID-579moderate severityPowertrain

Fuel System Malfunction

on 2021 BMW i3 Range Extender · RWD

What this code means

A fault has been detected in the fuel delivery or tank system. Raised by the fuel system/engine control module.

Symptoms

  • Reduced engine performance
  • Fuel warning in cluster
  • Possible starting or running issues

Common causes

  • Fuel pump fault
  • Fuel pressure sensor fault
  • Tank ventilation fault
  • Wiring or connector issue

Diagnostic steps

  1. Scan fuel system for fault codes
  2. Check fuel pressure and pump operation
  3. Inspect tank ventilation system
  4. Inspect wiring and connectors
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