B0025critical severityBody
Driver Curtain Airbag Circuit Resistance Low
on 2021 Audi A3 2.0L Turbo I4 · AWD
What this code means
The driver side curtain airbag circuit resistance is lower than specification, possibly indicating a short between deployment leads.
Symptoms
- Airbag warning light on
- SRS fault stored
- Risk of premature deployment
Common causes
- Partial short between deployment wires
- Contaminated connector
- Damaged wiring insulation
- Faulty squib
Diagnostic steps
- Disconnect battery and wait 10 minutes
- Measure circuit resistance
- Inspect wiring for insulation damage
- Check for contamination in connector
Repair notes
Repair any insulation damage. Replace curtain airbag if squib is faulty. Professional service required.
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