CC-ID-229moderate severityBody
Battery Charge Low
on 2021 BMW i3 Range Extender · RWD
What this code means
This message warns that the battery charge level has dropped below a safe threshold. It is raised by the vehicle power management and battery monitoring system.
Symptoms
- Low battery warning displayed
- Difficulty starting engine
- Dimming lights or reduced comfort functions
Common causes
- Weak or aged battery
- Insufficient charging from short trips
- Faulty alternator
- Parasitic drain
Diagnostic steps
- Check battery voltage and charge state
- Test charging system output
- Inspect for parasitic drains
- Recharge or replace battery as needed
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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