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P0A0B 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 High Voltage System is equipped with multiple safety devices to reduce electrical hazards while the vehicle is being worked on or if the vehicle is involved in a crash. If the engine control module (PCM) detects that any of the safety devices are disconnected or not connected, the hybrid system will shut down. When the PCM detects a hybrid system shut down, it will set code P0A0B.
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OBD-II Code High voltage system may not operate is defined as a High Voltage System Interlock Circuit Performance
The High Voltage System is equipped with multiple safety devices to reduce electrical hazards while the vehicle is being worked on or if the vehicle is involved in a crash. If the engine control module (PCM) detects that any of the safety devices are disconnected or not connected, the hybrid system will shut down. When the PCM detects a hybrid system shut down, it will set code P0A0B.