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P0B66 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 Battery Pack consists of many mini-batteries connected together. If the High Voltage Control Module has detects an issue with one or more of the battery packs that make up the High Voltage Battery Assembly, the High Voltage Control Module will set code P0B66.
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OBD-II Code Increased fuel consumption is defined as a Hybrid Battery Voltage Sense "I" Circuit High
The High Voltage Battery Pack consists of many mini-batteries connected together. If the High Voltage Control Module has detects an issue with one or more of the battery packs that make up the High Voltage Battery Assembly, the High Voltage Control Module will set code P0B66.