P0B23
Hybrid/EV Battery A Voltage
P0B23 is an OBD-II diagnostic trouble code meaning: Hybrid/EV Battery A Voltage. Common causes: battery cell failure, problems with cell balancing. Estimated repair cost: $167–556.
Symptoms
- Reduced vehicle power
- Switching to emergency mode
- Dashboard warning
- Reduced range
- Charging problems
Causes
- Battery cell failure
- Problems with cell balancing
- Battery controller malfunction
- Damage to high voltage wiring
- Contact corrosion
How to Fix
- High voltage system diagnostics
- Checking the voltage of individual modules
- Balancing Circuit Testing
- Checking the condition of contacts and wiring
- Replacing faulty battery modules
Related codes
Error P0B23 by Vehicle Brand
FAQ
What does the P0B23 code mean?
P0B23 is an OBD-II diagnostic trouble code that indicates: Hybrid/EV Battery A Voltage
What causes a P0B23 error code?
The most common causes of P0B23 include: Battery cell failure; Problems with cell balancing; Battery controller malfunction; Damage to high voltage wiring.
How do I fix a P0B23 diagnostic trouble code?
To fix P0B23: High voltage system diagnostics. Checking the voltage of individual modules. Balancing Circuit Testing. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P0B23?
Limited driving only, diagnose soon
How much does it cost to fix P0B23?
The estimated repair cost for P0B23 is $167–556. Actual cost depends on your vehicle, location, and labor rates.
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