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P0AF4 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 Inverter/Converter Assembly has a built in temperature sensor and separate cooling system to allow the high voltage system to maintain optimal operating temperature. If the High Voltage control module detects an issue or sudden change of temperature within the inverter/converter assembly, code P0AF4 will be set.
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OBD-II Code High voltage system may not operate is defined as a Drive Motor Inverter Temperature Sensor "B" Circuit Low
The Inverter/Converter Assembly has a built in temperature sensor and separate cooling system to allow the high voltage system to maintain optimal operating temperature. If the High Voltage control module detects an issue or sudden change of temperature within the inverter/converter assembly, code P0AF4 will be set.