P1A23
Hybrid Battery 1 Circuit High Voltage
P1A23 is an OBD-II diagnostic trouble code meaning: Hybrid Battery 1 Circuit High Voltage. Common causes: high voltage battery fault, problems with the charging system. Estimated repair cost: $167–889.
Symptoms
- Check Engine light comes on
- Hybrid system power reduction
- The car goes into emergency mode
- Unusual sounds from the engine compartment
- Reducing electric range
Causes
- High voltage battery fault
- Problems with the charging system
- Malfunction of the hybrid system control module
- Damage to high voltage wires
- Short circuit in the circuit
How to Fix
- Carry out diagnostics of the high-voltage system
- Check the condition of the high-voltage battery
- Inspect high-voltage wires and connections
- Check the operation of the charging system
- Replace faulty components
Related codes
FAQ
What does the P1A23 code mean?
P1A23 is an OBD-II diagnostic trouble code that indicates: Hybrid Battery 1 Circuit High Voltage
What causes a P1A23 error code?
The most common causes of P1A23 include: High voltage battery fault; Problems with the charging system; Malfunction of the hybrid system control module; Damage to high voltage wires.
How do I fix a P1A23 diagnostic trouble code?
To fix P1A23: Carry out diagnostics of the high-voltage system. Check the condition of the high-voltage battery. Inspect high-voltage wires and connections. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P1A23?
Do not drive — repair immediately
How much does it cost to fix P1A23?
The estimated repair cost for P1A23 is $167–889. Actual cost depends on your vehicle, location, and labor rates.
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