P0AF8
Hybrid/EV Battery System Voltage
P0AF8 is an OBD-II diagnostic trouble code meaning: Hybrid/EV Battery System Voltage. Common causes: degradation of high-voltage battery cells, problems with balancing battery cells. Estimated repair cost: $167–2778.
Symptoms
- Reduced vehicle power
- Increased fuel consumption (for hybrids)
- Warning messages on the dashboard
- Limitation of operation in electric mode
- Battery charging problems
Causes
- Degradation of high-voltage battery cells
- Problems with balancing battery cells
- Battery management system (BMS) malfunction
- Damage to high voltage wires or connectors
- Problems with the battery cooling system
How to Fix
- Diagnosis of high-voltage battery condition
- Checking the Battery Management System (BMS)
- Inspect high voltage connections for damage
- Testing the battery cooling system
- Replacing faulty battery cells or the entire battery
Related codes
Error P0AF8 by Vehicle Brand
FAQ
What does the P0AF8 code mean?
P0AF8 is an OBD-II diagnostic trouble code that indicates: Hybrid/EV Battery System Voltage
What causes a P0AF8 error code?
The most common causes of P0AF8 include: Degradation of high-voltage battery cells; Problems with balancing battery cells; Battery management system (BMS) malfunction; Damage to high voltage wires or connectors.
How do I fix a P0AF8 diagnostic trouble code?
To fix P0AF8: Diagnosis of high-voltage battery condition. Checking the Battery Management System (BMS). Inspect high voltage connections for damage. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P0AF8?
Limited driving only, diagnose soon
How much does it cost to fix P0AF8?
The estimated repair cost for P0AF8 is $167–2778. Actual cost depends on your vehicle, location, and labor rates.
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