P0B1C OBD-II: Hybrid Battery Pack Voltage Sense "C" Circuit High

P0B1C Severity

Urgent

Should you fix P0B1C yourself?

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.

P0B1C Summary Find a Repair Shop P0B1C Details Ask RepairPal CarGenius Other OBD-II Codes

What causes OBD-II fault code P0B1C?

The hybrid battery pack is composed of many individual battery cells (sometimes over 300 cells). Those cells are then grouped together. each group has a voltage monitor attached to it that tells the battery control module (or hybrid powertrain control module) the available voltage for each cell group. If a cell group's voltage is less than what it should be, code P0ABA is set.

OBD II Fault Code

OBD II P0B1C

OBD-II Code Diagnostic Trouble Code is defined as a Hybrid Battery Pack Voltage Sense "C" Circuit High

Common Problems That Trigger the P0B1C Code

Battery contactor assembly failure
Battery Energy Control Module (BECM) failure

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