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P0B37 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 Service Disconnect Port allows the high voltage system to be disabled so the vehicle can be safely serviced. The Battery Energy Control Module (BECM) monitors the service disconnect plug and shuts down all electrical systems when the service plug is disconnected. If the BECM can not correctly determine if the service plug is connected, code P0B37 will be stored.
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OBD-II Code High voltage system may not operate is defined as a High Voltage Service Disconnect Open
The Service Disconnect Port allows the high voltage system to be disabled so the vehicle can be safely serviced. The Battery Energy Control Module (BECM) monitors the service disconnect plug and shuts down all electrical systems when the service plug is disconnected. If the BECM can not correctly determine if the service plug is connected, code P0B37 will be stored.