P1F64
Hybrid/EV System Voltage Discharge Circuit Low Voltage
P1F64 is an OBD-II diagnostic trouble code meaning: Hybrid/EV System Voltage Discharge Circuit Low Voltage. Common causes: high voltage battery fault, problems with the energy management system. Estimated repair cost: $167–556.
Symptoms
- Check Engine light comes on
- Reduced performance of the hybrid system
- Warning messages on the dashboard
- Problems with charging a high-voltage battery
- The car may go into emergency mode
Causes
- High voltage battery fault
- Problems with the energy management system
- Open or short circuit in the discharge circuit
- Faulty high voltage relays or contactors
- Problems with the hybrid system control module
How to Fix
- Check the condition of the high-voltage battery
- Diagnose the energy management system
- Check the integrity of the discharge circuit
- Test high voltage relays and contactors
- Update or replace the hybrid system control module
- Repair only from an authorized dealer
Related codes
FAQ
What does the P1F64 code mean?
P1F64 is an OBD-II diagnostic trouble code that indicates: Hybrid/EV System Voltage Discharge Circuit Low Voltage
What causes a P1F64 error code?
The most common causes of P1F64 include: High voltage battery fault; Problems with the energy management system; Open or short circuit in the discharge circuit; Faulty high voltage relays or contactors.
How do I fix a P1F64 diagnostic trouble code?
To fix P1F64: Check the condition of the high-voltage battery. Diagnose the energy management system. Check the integrity of the discharge circuit. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P1F64?
Do not drive — repair immediately
How much does it cost to fix P1F64?
The estimated repair cost for P1F64 is $167–556. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat