CC-ID-380moderate severityBody
Turn Signal Lights Defective - Left
on 2021 BMW i3 Range Extender · RWD
What this code means
The left turn signal indicator has failed or is malfunctioning. The lighting control module detected a fault in the circuit.
Symptoms
- Rapid turn signal flashing
- Left indicator not working
- Bulb failure warning message
Common causes
- Burnt out turn signal bulb
- Corroded socket or contacts
- Wiring or connector fault
- Faulty lighting control module
Diagnostic steps
- Inspect left turn signal bulb
- Check socket and contacts
- Test wiring continuity
- Verify lighting module output
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Other Body codes on this vehicle
B0001
Driver Frontal Stage 1 Deployment Control
B0002
Driver Frontal Stage 2 Deployment Control
B0003
Passenger Frontal Stage 1 Deployment Control
B0004
Passenger Frontal Stage 2 Deployment Control
B0005
Driver Knee Airbag Deployment Circuit
B0006
Passenger Knee Airbag Deployment Circuit
B0007
Rear Left Side Airbag Deployment Circuit
B0008
Rear Right Side Airbag Deployment Circuit
B0009
Rear Center Airbag Deployment Circuit
B0010
Driver Side Airbag Deployment