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P0A7E 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 hybrid battery pack uses multiple sensors to monitor the temperature of each battery cell. If the battery cell temperature gets too hot, code P0A7E will set. The battery contacts will open, disabling the battery pack and hybrid systems, until the temperature comes down to acceptable levels.
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OBD-II Code High voltage system may not operate is defined as a Hybrid Battery Pack Over Temperature
The hybrid battery pack uses multiple sensors to monitor the temperature of each battery cell. If the battery cell temperature gets too hot, code P0A7E will set. The battery contacts will open, disabling the battery pack and hybrid systems, until the temperature comes down to acceptable levels.