DOBD DashX Browse all codes Blog
P0D03

Control Pilot Charging Ventilation Switch Circuit High

Generic OBD-II

Common symptoms

What you'll notice

Common causes

Most likely first

  1. Faulty control pilot charging ventilation switch
  2. Wiring issues or loose connections in the control pilot charging ventilation switch circuit
  3. The control pilot charging ventilation switch circuit is open or disconnected
  4. Malfunctioning control module
  5. Faulty sensors or components related to the control pilot charging ventilation system

How to diagnose & fix

Work through it in order

  1. Battery not charging or draining quickly
  2. Warning light illuminate

Read & clear P0D03 yourself

Scan your car, confirm the code, and clear it once it's fixed — with OBD DashX on your phone.

▶ Get it on Google Play