P1EFB
Battery Charger High-Voltage Converter 2 Input Current Too High
P1EFB is an OBD-II diagnostic trouble code meaning: Battery Charger High-Voltage Converter 2 Input Current Too High. Common causes: high voltage converter malfunction, damage to the high voltage system wiring harness. Estimated repair cost: $167–556.
Symptoms
- Check Engine light comes on
- Reduced high-voltage battery charging efficiency
- The car may go into emergency mode
- Possible problems starting the engine
- Hybrid system power reduction
Causes
- High voltage converter malfunction
- Damage to the high voltage system wiring harness
- Problems with high voltage battery
- Charging control unit malfunction
- Short circuit in charging circuit
How to Fix
- Carry out diagnostics of the high-voltage system
- Check the integrity of the wiring harnesses
- Test the operation of the voltage converter
- Check the condition of the high-voltage battery
- If necessary, replace faulty components
Related codes
FAQ
What does the P1EFB code mean?
P1EFB is an OBD-II diagnostic trouble code that indicates: Battery Charger High-Voltage Converter 2 Input Current Too High
What causes a P1EFB error code?
The most common causes of P1EFB include: High voltage converter malfunction; Damage to the high voltage system wiring harness; Problems with high voltage battery; Charging control unit malfunction.
How do I fix a P1EFB diagnostic trouble code?
To fix P1EFB: Carry out diagnostics of the high-voltage system. Check the integrity of the wiring harnesses. Test the operation of the voltage converter. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P1EFB?
Do not drive — repair immediately
How much does it cost to fix P1EFB?
The estimated repair cost for P1EFB is $167–556. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat