P0B26
Hybrid/EV Battery A Voltage High
P0B26 is an OBD-II diagnostic trouble code meaning: Hybrid/EV Battery A Voltage High. Common causes: faulty battery modules, problems with the charging system. Estimated repair cost: $167–556.
Symptoms
- Check Engine light comes on
- Hybrid system power reduction
- The car goes into emergency mode
- Reducing electric range
- Unusual sounds from the battery compartment
Causes
- Faulty battery modules
- Problems with the charging system
- Malfunction of voltage sensors
- Damage to high voltage wiring
- Malfunctions of the on-board computer
How to Fix
- Carry out diagnostics of the high-voltage system
- Check the condition of the battery and modules
- Test voltage sensors
- Inspect high-voltage wiring for damage
- Update on-board computer software
- Repair only from an authorized dealer
Related codes
Error P0B26 by Vehicle Brand
FAQ
What does the P0B26 code mean?
P0B26 is an OBD-II diagnostic trouble code that indicates: Hybrid/EV Battery A Voltage High
What causes a P0B26 error code?
The most common causes of P0B26 include: Faulty battery modules; Problems with the charging system; Malfunction of voltage sensors; Damage to high voltage wiring.
How do I fix a P0B26 diagnostic trouble code?
To fix P0B26: Carry out diagnostics of the high-voltage system. Check the condition of the battery and modules. Test voltage sensors. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P0B26?
Do not drive — repair immediately
How much does it cost to fix P0B26?
The estimated repair cost for P0B26 is $167–556. Actual cost depends on your vehicle, location, and labor rates.
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