P0B80
Hybrid/EV Battery Voltage Sense N Circuit Intermittent/Erratic
P0B80 is an OBD-II diagnostic trouble code meaning: Hybrid/EV Battery Voltage Sense N Circuit Intermittent/Erratic. Common causes: poor contact in sensor circuit connectors, wiring harness damage. Estimated repair cost: $17–89.
Symptoms
- Reduced performance of the hybrid system
- Switching to emergency mode
- Unstable battery level readings
- Check Engine Light Illuminated
Causes
- Poor contact in sensor circuit connectors
- Wiring harness damage
- Voltage sensor fault
- Problems with the battery management module
- Contact corrosion
How to Fix
- Check the integrity of the wiring harness and connectors
- Clean contacts from corrosion
- Check the resistance and voltage in the sensor circuit
- Replace voltage sensor if necessary
- Flash or replace the battery management module if necessary
Related codes
Error P0B80 by Vehicle Brand
FAQ
What does the P0B80 code mean?
P0B80 is an OBD-II diagnostic trouble code that indicates: Hybrid/EV Battery Voltage Sense N Circuit Intermittent/Erratic
What causes a P0B80 error code?
The most common causes of P0B80 include: Poor contact in sensor circuit connectors; Wiring harness damage; Voltage sensor fault; Problems with the battery management module.
How do I fix a P0B80 diagnostic trouble code?
To fix P0B80: Check the integrity of the wiring harness and connectors. Clean contacts from corrosion. Check the resistance and voltage in the sensor circuit. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P0B80?
Yes, but get it checked soon
How much does it cost to fix P0B80?
The estimated repair cost for P0B80 is $17–89. Actual cost depends on your vehicle, location, and labor rates.
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