B0018critical severityBody
Passenger Side Curtain Airbag Deployment Open
on 2005-2008 Audi S4 4.2L V8 · AWD
What this code means
Open circuit detected in the passenger side curtain airbag deployment loop.
Symptoms
- Airbag warning light on
- SRS code stored
- Passenger curtain airbag inoperative
Common causes
- Disconnected connector
- Broken wire in roof rail
- Faulty curtain airbag
- Body repair damage
Diagnostic steps
- Inspect roof rail wiring passenger side
- Check curtain airbag connector
- Measure loop resistance
- Check for body damage or repair
Repair notes
Repair open circuit. Check for prior collision repair that may have damaged the harness.
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
B0010
Driver Side Airbag Deployment
B0011
Driver Side Airbag Deployment Circuit Open