P1EF1
Battery Charger High-Voltage Converter 2 Output Power Regulation Performance
P1EF1 is an OBD-II diagnostic trouble code meaning: Battery Charger High-Voltage Converter 2 Output Power Regulation Performance. Common causes: high voltage converter malfunction, problems with the charger control electronics. Estimated repair cost: $167–556.
Symptoms
- Extending battery charging time
- Reduced performance of the hybrid system
- Check Engine Light Illuminated
- Reduced motor power
- Errors in the charging system on the display
Causes
- High voltage converter malfunction
- Problems with the charger control electronics
- High voltage circuit damage
- Software errors in the control module
- Converter cooling problems
How to Fix
- Diagnostics of a high-voltage system using a scanner
- Checking the integrity of high-voltage circuits
- Testing the converter operation
- Control Module Software Update
- Replacing the high voltage converter if necessary
Related codes
FAQ
What does the P1EF1 code mean?
P1EF1 is an OBD-II diagnostic trouble code that indicates: Battery Charger High-Voltage Converter 2 Output Power Regulation Performance
What causes a P1EF1 error code?
The most common causes of P1EF1 include: High voltage converter malfunction; Problems with the charger control electronics; High voltage circuit damage; Software errors in the control module.
How do I fix a P1EF1 diagnostic trouble code?
To fix P1EF1: Diagnostics of a high-voltage system using a scanner. Checking the integrity of high-voltage circuits. Testing the converter operation. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P1EF1?
Limited driving only, diagnose soon
How much does it cost to fix P1EF1?
The estimated repair cost for P1EF1 is $167–556. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat