Fault Code P0AA6
Code meaning, symptoms, possible causes, part number, and estimated cost.
P0AA6
Hybrid Battery Voltage System Isolation Fault
This code indicates an isolation fault in the high-voltage system of the hybrid battery. This is a very serious fault and can pose an electrocution hazard.
Part Details
Part Name
High Voltage System Isolation
Reference P/N (OEM)
N/A
General part number for this fault code — not necessarily for your specific vehicle
Estimated Cost
₪1,500 - ₪10,000+
Engine Location
High voltage circuits
Symptoms
- Hybrid system warning light
- Check Engine Light on
- Vehicle enters limp mode or won't start
- Burning smell or smoke
Possible Causes
- 1Damage to high voltage cable/component insulation
- 2Moisture or fluids in the high voltage system
- 3Faulty battery cell or leaking battery pack
- 4Defective high voltage control unit
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