P0DEF
Pedestrian Alert Control Module Circuit High
The pedestrian alert (AVAS - Acoustic Vehicle Alerting System) control module reports a circuit high condition. Acoustic warning at low speed for pedestrians may be impaired.
- Check engine light: Yes
- Emissions related: No
- Repair difficulty: medium
Common causes
Ordered by how often each turns out to be the cause.
- Wire shorted to B+Common
- Open module inputPossible
- Connector pins corroded - high contact resistanceLess likely
Parts involved
- Pedestrian Alert Control Module
- Wiring Harness
P0DEF 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.