P1E86
Hybrid/Electric Vehicle Battery 91 Circuit
P1E86 is an OBD-II diagnostic trouble code meaning: Hybrid/Electric Vehicle Battery 91 Circuit. Common causes: damage to wiring or circuit connectors 91, battery module failure on circuit 91. Estimated repair cost: $56–556.
Symptoms
- Check Engine light comes on
- Reduced power or efficiency of the hybrid system
- The car may go into emergency mode
- Reducing electric range
- Possible problems with battery charging
Causes
- Damage to wiring or circuit connectors 91
- Battery module failure on circuit 91
- Problems with balancing battery cells
- Battery management system (BMS) malfunction
- Corrosion of contacts in the battery circuit
How to Fix
- Carry out diagnostics of the high-voltage system (only by qualified specialists)
- Check the integrity of the wiring and connectors in circuit 91
- Test battery module in circuit 91
- Check the operation of the battery management system (BMS)
- If necessary, replace faulty components
Related codes
FAQ
What does the P1E86 code mean?
P1E86 is an OBD-II diagnostic trouble code that indicates: Hybrid/Electric Vehicle Battery 91 Circuit
What causes a P1E86 error code?
The most common causes of P1E86 include: Damage to wiring or circuit connectors 91; Battery module failure on circuit 91; Problems with balancing battery cells; Battery management system (BMS) malfunction.
How do I fix a P1E86 diagnostic trouble code?
To fix P1E86: Carry out diagnostics of the high-voltage system (only by qualified specialists). Check the integrity of the wiring and connectors in circuit 91. Test battery module in circuit 91. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P1E86?
Limited driving only, diagnose soon
How much does it cost to fix P1E86?
The estimated repair cost for P1E86 is $56–556. Actual cost depends on your vehicle, location, and labor rates.
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