P0B46
Hybrid/EV Battery Voltage Sense C Circuit Range/Performance
P0B46 is an OBD-II diagnostic trouble code meaning: Hybrid/EV Battery Voltage Sense C Circuit Range/Performance. Common causes: battery voltage sensor fault, open or short circuit in the measurement circuit. Estimated repair cost: $56–167.
Symptoms
- Check Engine light comes on
- Hybrid system power reduction
- Switching to emergency mode
- Reducing electric range
- Incorrect battery level readings
Causes
- Battery voltage sensor fault
- Open or short circuit in the measurement circuit
- Poor contact in connectors
- Battery management module malfunction
- Corroded contacts or damaged wiring
How to Fix
- Check the integrity of the voltage measurement circuit
- Inspect connectors and contacts for corrosion
- Test voltage sensors
- Check the operation of the battery management module
- Repair only from an authorized dealer
Related codes
Error P0B46 by Vehicle Brand
FAQ
What does the P0B46 code mean?
P0B46 is an OBD-II diagnostic trouble code that indicates: Hybrid/EV Battery Voltage Sense C Circuit Range/Performance
What causes a P0B46 error code?
The most common causes of P0B46 include: Battery voltage sensor fault; Open or short circuit in the measurement circuit; Poor contact in connectors; Battery management module malfunction.
How do I fix a P0B46 diagnostic trouble code?
To fix P0B46: Check the integrity of the voltage measurement circuit. Inspect connectors and contacts for corrosion. Test voltage sensors. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P0B46?
Limited driving only, diagnose soon
How much does it cost to fix P0B46?
The estimated repair cost for P0B46 is $56–167. Actual cost depends on your vehicle, location, and labor rates.
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