P1EF0
Battery Charger High-Voltage Converter 1 Output Power Regulation Performance
P1EF0 is an OBD-II diagnostic trouble code meaning: Battery Charger High-Voltage Converter 1 Output Power Regulation Performance. Common causes: high voltage converter malfunction, converter control circuit problems. Estimated repair cost: $167–556.
Symptoms
- Reduced battery charging efficiency
- Increased charging time
- Check Engine Light Illuminated
- Reduced vehicle power
- Errors in the hybrid/electric powertrain system
Causes
- High voltage converter malfunction
- Converter control circuit problems
- Charger control module malfunction
- Damage to high voltage wires or connectors
- Software errors in the control system
How to Fix
- Diagnostics of high voltage converter
- Checking control and power circuits
- Checking the condition of high voltage connections
- Control system software update
- Replacing the high voltage converter if necessary
Related codes
FAQ
What does the P1EF0 code mean?
P1EF0 is an OBD-II diagnostic trouble code that indicates: Battery Charger High-Voltage Converter 1 Output Power Regulation Performance
What causes a P1EF0 error code?
The most common causes of P1EF0 include: High voltage converter malfunction; Converter control circuit problems; Charger control module malfunction; Damage to high voltage wires or connectors.
How do I fix a P1EF0 diagnostic trouble code?
To fix P1EF0: Diagnostics of high voltage converter. Checking control and power circuits. Checking the condition of high voltage connections. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P1EF0?
Limited driving only, diagnose soon
How much does it cost to fix P1EF0?
The estimated repair cost for P1EF0 is $167–556. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat