2013 Kia Optima Hybrid LX – Hybrid Isolation Fault With P0AA6
- Aug 16
- 1 min read
CUSTOMER CONCERN
Hybrid Battery Voltage System Isolation Fault DTC P0AA6 is stored.
CAUSE
Isolation testing identified an internal high-voltage leak in the Power Inverter Module; normal BMS isolation resistance with the ignition on is 1 to 4 megohms.
CORRECTION
Disable the high-voltage system, remove and replace the Power Inverter Module, clear DTC P0AA6, and verify isolation resistance and hybrid-system operation.
