SRS Control Module Calibration Error
1993-1998 Fiat Cinquecento 0.9L I4 Fire
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
Fiat 124 Spider
2017-2020 1.4L I4 Turbo
Fiat 126p Maluch
1973-2000 0.65L I2 Air-Cooled
Fiat 126p Maluch
1987-2000 0.7L I2 Air-Cooled
Fiat 500
2012-2019 1.4L I4
Fiat 500 Abarth
2012-2019 1.4L I4 Turbo
Fiat 500 BR
2011-2020 1.4L I4 Flex Fire Evo
Fiat 500 PL
2007-2025 1.0L I3 Hybrid FireFly 70
Fiat 500 PL
2007-2025 1.2L I4 Fire 69
Common Questions
What does code B0090 mean on a 1993-1998 Fiat Cinquecento?
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 Fiat Cinquecento?
Common symptoms of B0090 include: Airbag warning light on, SRS system fully disabled, All deployment circuits inactive.
What causes B0090 on a 1993-1998 Fiat Cinquecento?
Common causes of B0090 include: Module not programmed to vehicle, Incorrect replacement module, Software update failed, Module from different vehicle installed.