B0038
Rollover Sensor Performance
2001-2005 BMW 325i E46 2.5L I6 🇨🇦
Critical SeverityBody
Description
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.
Related Codes
Other Body Codes
- B0001Driver Frontal Stage 1 Deployment Control
- B0002Driver Frontal Stage 2 Deployment Control
- B0003Passenger Frontal Stage 1 Deployment Control
- B0004Passenger Frontal Stage 2 Deployment Control
- B0005Driver Knee Airbag Deployment Circuit
- B0006Passenger Knee Airbag Deployment Circuit
- B0007Rear Left Side Airbag Deployment Circuit
- B0008Rear Right Side Airbag Deployment Circuit
- B0010Driver Side Airbag Deployment
- B0011Driver Side Airbag Deployment Circuit Open
B0038 on Other Vehicles
Common Questions
What does code B0038 mean on a 2001-2005 BMW 325i E46?
B0038 stands for "Rollover Sensor Performance". The rollover sensor output is outside expected parameters during self-test or normal operation.
What are the symptoms of B0038 on a BMW 325i E46?
Common symptoms of B0038 include: Airbag warning light on, SRS fault stored, Rollover protection degraded.
What causes B0038 on a 2001-2005 BMW 325i E46?
Common causes of B0038 include: Sensor calibration lost, Sensor internal failure, Vehicle orientation altered by suspension modification, Excessive vibration at sensor mount.