CC-ID-220moderate severityBody
Battery Discharge Rate High
on 2021 BMW i3 Range Extender · RWD
What this code means
This message indicates the vehicle battery is discharging faster than normal, often when the engine is off. It is raised by the intelligent battery sensor and power management system.
Symptoms
- Warning message on dashboard
- Slow engine cranking
- Electrical accessories cutting out
Common causes
- Parasitic electrical drain
- Aging or failing battery
- Faulty alternator/charging system
- Excessive short-trip driving
Diagnostic steps
- Test battery state of charge and health
- Measure parasitic draw current
- Check alternator output voltage
- Scan power management module for faults
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Serious DIY~$100
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✓ Autel official store
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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