P1EF3
Battery Charger High-Voltage Converter 1 Temperature Too High
P1EF3 is an OBD-II diagnostic trouble code meaning: Battery Charger High-Voltage Converter 1 Temperature Too High. Common causes: converter cooling system malfunction, high voltage system overload. Estimated repair cost: $167–556.
Symptoms
- Reduced battery charging efficiency
- Warning message on dashboard
- Vehicle power limitation
- Automatic charging system shutdown
- Increased temperature in the charger area
Causes
- Converter cooling system malfunction
- High voltage system overload
- Damage or wear to the converter
- Problems with control electronics
- Dirty or clogged ventilation ducts
How to Fix
- Check the converter cooling system
- Diagnose a high voltage system for overload
- Inspect the converter for physical damage
- Check the operation of the control electronics
- Clean the system ventilation ducts
Related codes
FAQ
What does the P1EF3 code mean?
P1EF3 is an OBD-II diagnostic trouble code that indicates: Battery Charger High-Voltage Converter 1 Temperature Too High
What causes a P1EF3 error code?
The most common causes of P1EF3 include: Converter cooling system malfunction; High voltage system overload; Damage or wear to the converter; Problems with control electronics.
How do I fix a P1EF3 diagnostic trouble code?
To fix P1EF3: Check the converter cooling system. Diagnose a high voltage system for overload. Inspect the converter for physical damage. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P1EF3?
Limited driving only, diagnose soon
How much does it cost to fix P1EF3?
The estimated repair cost for P1EF3 is $167–556. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat