OBD-II code · Powertrain (generic)

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.

Is it safe to drive with P0DEF?

Usually safe to drive in the short term. Get it diagnosed when convenient, sooner if the car drives differently.

Common causes

  • Most likelyWire shorted to B+
  • PossibleOpen module input
  • Less likelyConnector pins corroded - high contact resistance

Repair at a glance

Difficulty
Medium
DIY friendly
Best left to a mechanic
Typical labour
1–4 h
Emissions test
Usually unaffected
Parts involved
Pedestrian Alert Control Module, Wiring Harness

Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.