B0090
SRS Control Module Calibration Error
1999-2000 BMW 323i E46 2.5L I6 🇦🇺
Critical SeverityBody
Description
The SRS control module calibration data is invalid, missing, or does not match the vehicle configuration.
Symptoms
- Airbag warning light on
- SRS system fully disabled
- All deployment circuits inactive
Common Causes
- Module not programmed to vehicle
- Incorrect replacement module
- Software update failed
- Module from different vehicle installed
Diagnostic Steps
- Verify ACM part number matches vehicle
- Check module calibration with scan tool
- Attempt recalibration/reprogramming
- Verify VIN programming in module
Repair Notes
Reprogram ACM with correct vehicle calibration. Replace if reprogramming fails.
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
- B0010Driver Side Airbag Deployment
- B0011Driver Side Airbag Deployment Circuit Open
- B0012Driver Side Airbag Deployment Circuit Short to Ground
- B0013Driver Side Airbag Deployment Circuit Short to Battery
B0090 on Other Vehicles
Common Questions
What does code B0090 mean on a 1999-2000 BMW 323i E46?
B0090 stands for "SRS Control Module Calibration Error". The SRS control module calibration data is invalid, missing, or does not match the vehicle configuration.
What are the symptoms of B0090 on a BMW 323i E46?
Common symptoms of B0090 include: Airbag warning light on, SRS system fully disabled, All deployment circuits inactive.
What causes B0090 on a 1999-2000 BMW 323i E46?
Common causes of B0090 include: Module not programmed to vehicle, Incorrect replacement module, Software update failed, Module from different vehicle installed.