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P0A31 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 Motor Temperature Sensor is built into the Hybrid Motor Assembly. When a failure is detected in the Hybrid Motor Temperature Sensor circuit, the engine control module (PCM) will set code P0A31.
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OBD-II Code High voltage system may not operate is defined as a Drive Motor "B" Temperature Sensor Circuit Range/Performance
The Hybrid Motor Temperature Sensor is built into the Hybrid Motor Assembly. When a failure is detected in the Hybrid Motor Temperature Sensor circuit, the engine control module (PCM) will set code P0A31.