P0AA6 - OBD II Trouble Code

Our automotive experts have put together the following information about the P0AA6 diagnostic trouble code. We've provided the common symptoms that occur when this code is set along with the frequent repairs that address the issues related to the P0AA6 code.

What Does P0AA6 Code Mean?

OBD-II Code P0AA6 is defined as a Hybrid Battery Voltage System Isolation Fault

The high voltage system is isolated from the low voltage system and the vehicle's frame. If excessive voltage is detected on the low voltage side, code P0AA6 will set. The High Voltage system may shut down.

P0AA6 Symptoms

• High voltage system may not operate
• Vehicle will not charge

Common Problems That Trigger the P0AA6 Code

• Coolant system leak
• High voltage control module failure
• Wiring issue