B0022critical severityBody
Passenger Side Curtain Deployment Circuit
on 2021 Audi A6 2.0L Turbo I4 · AWD
What this code means
Malfunction detected in the passenger side curtain airbag deployment circuit. This system provides head protection for the passenger in side impacts.
Symptoms
- Airbag warning light on
- SRS code stored
- Curtain airbag inoperative on passenger side
Common causes
- Faulty curtain airbag module
- Roof rail wiring damage
- Airbag control module fault
- Connector issue at headliner
Diagnostic steps
- Scan SRS codes
- Inspect headliner connectors
- Check roof rail wiring
- Measure deployment circuit
- Test ACM outputs
Repair notes
Professional curtain airbag service required. Replace curtain module or repair wiring in roof rail.
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