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P0BCB 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 Cooling Fan draws air through the hybrid battery pack to help control the temperature of the high voltage battery. The fan is controlled by the Starter/Generator Control Module. If this module detects the Cooling Fan is not operating as requested, code P0BCB will be stored.
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OBD-II Code Wiring issue is defined as a Hybrid Battery Pack Cooling Fan Sense Circuit Intermittent/Erratic
The Hybrid Battery Pack Cooling Fan draws air through the hybrid battery pack to help control the temperature of the high voltage battery. The fan is controlled by the Starter/Generator Control Module. If this module detects the Cooling Fan is not operating as requested, code P0BCB will be stored.