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P0A99 Severity
Identifying an OBD code is just the start of a complete diagnostic routine. Most trouble codes are caused by a sensor reporting a value that is out of range. Just replacing a sensor may not fix underlying issues. Be sure to understand the code, the part or system in your car that the code refers to, and the risks of delaying professional repair.
Proper diagnosis will save you time and money on unnecessary repairs.
Urgent codes indicate immediate action is necessary. These are urgent and significant malfunctions that can cause severe damage to the vehicle or harm the driver and passengers.
The Battery control module controls and monitors the Hybrid Battery cooling fan. If the Battery control module determines that the Battery Cooling Fan is not operating properly, it will set code P0A99.
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OBD-II Code High voltage system may not operate is defined as a Hybrid Battery Pack Cooling Fan 2 Control Circuit Low
The Battery control module controls and monitors the Hybrid Battery cooling fan. If the Battery control module determines that the Battery Cooling Fan is not operating properly, it will set code P0A99.