P0D04

Symptoms

• Check Engine Light Flashing
• Intermittent operation of the charging system
• Reduced battery charging efficiency
• Possible errors in the thermoregulation system
• Irregular operation of ventilation when charging

Causes

• Poor electrical contact in connectors
• Worn control pilot ventilation switch
• Damage to the wiring to the switch
• Contact corrosion
• Problems with the charging system control unit

How to Fix

1. Check and clean all electrical connections
2. Test control pilot ventilation switch
3. Inspect and, if necessary, replace damaged wiring
4. Check the operation of the charging system using specialized equipment
5. If necessary, replace the faulty switch

Related codes

Error P0D04 by Vehicle Brand