B001A
Center Frontal Stage 3 Deployment Control
Fault on the deployment circuit of the center frontal airbag, deployment stage 3 (highest severity). Used in dual or triple-stage front airbag systems for severe crash energy.
- Check engine light: Yes
- Emissions related: No
- Repair difficulty: hard
Symptoms
- Warning light or symbol related to the affected system
- Comfort or safety function impaired
Common causes
Ordered by how often each turns out to be the cause.
- Stage 3 squib circuit openCommon
Parts involved
- Center Frontal Airbag
- Squib Circuit
B001A is a generic OBD-II code defined by SAE J2012. Exact wording and diagnostic procedure vary by manufacturer and model. Code definitions are drawn from the public-domain OBDex dataset; the workshop notes are our own.