P010A
Mass or Volume Air Flow Sensor B Circuit
Generic electrical fault on MAF sensor B (second sensor for redundancy or twin-intake systems).
- Check engine light: Yes
- Emissions related: Yes
- Repair difficulty: easy
Common causes
Ordered by how often each turns out to be the cause.
- Sensor failedCommon
Parts involved
- Mass Air Flow Sensor B
- Sensor Wiring
P010A 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.