P0B79
Hybrid/EV Battery Voltage Sense M Circuit Low
P0B79 is an OBD-II diagnostic trouble code meaning: Hybrid/EV Battery Voltage Sense M Circuit Low. Common causes: battery voltage sensor fault, damaged or corroded wiring. Estimated repair cost: $17–89.
Symptoms
- Hybrid system power reduction
- Increased fuel consumption
- Check Engine Light Illuminated
- Incorrect battery level readings
- Reduced efficiency of regenerative braking
Causes
- Battery voltage sensor fault
- Damaged or corroded wiring
- Poor contact in connectors
- Problems with the battery management module
- Low or faulty battery
How to Fix
- Check the integrity of the voltage measurement circuit
- Inspect and clean sensor contacts and connectors
- Check the functionality of the voltage sensor
- Test battery condition
- Update Battery Management Module Software
Related codes
Error P0B79 by Vehicle Brand
FAQ
What does the P0B79 code mean?
P0B79 is an OBD-II diagnostic trouble code that indicates: Hybrid/EV Battery Voltage Sense M Circuit Low
What causes a P0B79 error code?
The most common causes of P0B79 include: Battery voltage sensor fault; Damaged or corroded wiring; Poor contact in connectors; Problems with the battery management module.
How do I fix a P0B79 diagnostic trouble code?
To fix P0B79: Check the integrity of the voltage measurement circuit. Inspect and clean sensor contacts and connectors. Check the functionality of the voltage sensor. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P0B79?
Yes, but get it checked soon
How much does it cost to fix P0B79?
The estimated repair cost for P0B79 is $17–89. Actual cost depends on your vehicle, location, and labor rates.
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