B0001critical severityBody
Driver Frontal Stage 1 Deployment Control
on 2011 BMW M3 E90 4.0L V8 S65 · RWD
What this code means
Malfunction in the driver frontal airbag stage 1 deployment circuit.
Symptoms
- Airbag warning light on
- Airbag may not deploy in crash
Common causes
- Faulty airbag module
- Clock spring failure
- Wiring issue
- Airbag control module fault
Diagnostic steps
- Scan airbag module for codes
- Test clock spring continuity
- Inspect wiring under steering column
- Check airbag module connector
Repair notes
Safety critical. Have airbag system serviced by qualified technician. Do not attempt DIY airbag repair.
Other Body codes on this vehicle
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
B0010
Driver Side Airbag Deployment
B0011
Driver Side Airbag Deployment Circuit Open
B0012
Driver Side Airbag Deployment Circuit Short to Ground