P0B7C
Hybrid/EV Battery Voltage Sense N Circuit
P0B7C is an OBD-II diagnostic trouble code meaning: Hybrid/EV Battery Voltage Sense N Circuit. Common causes: open or short circuit in the voltage measurement circuit, poor contact in voltage sensor connectors. Estimated repair cost: $56–222.
Symptoms
- Check Engine light comes on
- Hybrid system power reduction
- Reducing the range of an electric vehicle
- Incorrect display of battery charge level
- The vehicle goes into emergency mode
Causes
- Open or short circuit in the voltage measurement circuit
- Poor contact in voltage sensor connectors
- Battery voltage sensor fault
- Problems with the Battery Management Module (BMS)
- Contact corrosion in a high voltage system
How to Fix
- Check the integrity of the wiring in the voltage measurement circuit
- Inspect and clean the sensor connector contacts
- Check the functionality of the voltage sensors
- Test the Battery Management Module (BMS)
- Repair only from an authorized dealer
Related codes
Error P0B7C by Vehicle Brand
FAQ
What does the P0B7C code mean?
P0B7C is an OBD-II diagnostic trouble code that indicates: Hybrid/EV Battery Voltage Sense N Circuit
What causes a P0B7C error code?
The most common causes of P0B7C include: Open or short circuit in the voltage measurement circuit; Poor contact in voltage sensor connectors; Battery voltage sensor fault; Problems with the Battery Management Module (BMS).
How do I fix a P0B7C diagnostic trouble code?
To fix P0B7C: Check the integrity of the wiring in the voltage measurement circuit. Inspect and clean the sensor connector contacts. Check the functionality of the voltage sensors. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P0B7C?
Limited driving only, diagnose soon
How much does it cost to fix P0B7C?
The estimated repair cost for P0B7C is $56–222. Actual cost depends on your vehicle, location, and labor rates.
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