P2C87
Hybrid/EV Battery Voltage External Isolation Warning
P2C87 is an OBD-II diagnostic trouble code meaning: Hybrid/EV Battery Voltage External Isolation Warning. Common causes: damage to the insulation of high-voltage wires, moisture gets into the battery compartment. Estimated repair cost: $56–278.
Symptoms
- Dashboard warning
- Reduced vehicle power
- Limitation of operation in electric mode
- Possible shutdown of the high voltage system
Causes
- Damage to the insulation of high-voltage wires
- Moisture gets into the battery compartment
- Mechanical damage to battery components
- Contact corrosion
- Defects in insulating materials
How to Fix
- Carry out diagnostics of the high-voltage system
- Check insulation resistance
- Inspect the battery compartment for damage
- Replace damaged insulating components
- Repair only from an authorized dealer
Related codes
Error P2C87 by Vehicle Brand
FAQ
What does the P2C87 code mean?
P2C87 is an OBD-II diagnostic trouble code that indicates: Hybrid/EV Battery Voltage External Isolation Warning
What causes a P2C87 error code?
The most common causes of P2C87 include: Damage to the insulation of high-voltage wires; Moisture gets into the battery compartment; Mechanical damage to battery components; Contact corrosion.
How do I fix a P2C87 diagnostic trouble code?
To fix P2C87: Carry out diagnostics of the high-voltage system. Check insulation resistance. Inspect the battery compartment for damage. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P2C87?
Do not drive — repair immediately
How much does it cost to fix P2C87?
The estimated repair cost for P2C87 is $56–278. Actual cost depends on your vehicle, location, and labor rates.
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