B0038critical severityBody
Rollover Sensor Performance
on 2023 BMW i7 M70 Dual Motor AWD · AWD
What this code means
The rollover sensor output is outside expected parameters during self-test or normal operation.
Symptoms
- Airbag warning light on
- SRS fault stored
- Rollover protection degraded
Common causes
- Sensor calibration lost
- Sensor internal failure
- Vehicle orientation altered by suspension modification
- Excessive vibration at sensor mount
Diagnostic steps
- Read SRS freeze frame data
- Check sensor output with scan tool
- Verify vehicle is on level ground during test
- Inspect sensor mounting
Repair notes
Replace rollover sensor. Recalibrate if procedure available.
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