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P0AAD 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 Pack Air Temperature Sensor tells the High Voltage control module the temperature of the ambient air in and around the hybrid battery pack. If the High Voltage Control Module detects an incorrect signal from the Hybrid Battery Pack Air Temperature Sensor, it will set code P0AAD. This temperature sensor is part of the battery pack assembly on most high voltage vehicles.
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OBD-II Code High voltage control module failure is defined as a Range/Performance
The Battery Pack Air Temperature Sensor tells the High Voltage control module the temperature of the ambient air in and around the hybrid battery pack. If the High Voltage Control Module detects an incorrect signal from the Hybrid Battery Pack Air Temperature Sensor, it will set code P0AAD. This temperature sensor is part of the battery pack assembly on most high voltage vehicles.