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Range ExtenderRWDAUTOMATIChybrid
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CC-ID-288critical severityPowertrain

Transmission Malfunction - Failsafe Activated

on 2021 BMW i3 Range Extender · RWD

What this code means

A transmission fault has triggered failsafe mode, limiting gear operation. This is raised by the transmission control module (EGS).

Symptoms

  • Limited gear availability
  • Reduced power or limp mode
  • Transmission warning light

Common causes

  • Transmission solenoid or valve fault
  • Overheated transmission fluid
  • Electrical fault in transmission wiring
  • Faulty transmission control module

Diagnostic steps

  1. Stop safely and restart vehicle
  2. Read transmission fault codes
  3. Check transmission fluid level and condition
  4. Inspect transmission wiring and connectors

Other Powertrain codes on this vehicle

🔧 Database maintained under the daily editorial review of Chris Hackleman · Master Technician · 20+ years. Spot an error? Use the Help link above — a human reads every report.
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