Engine-Codes.com
Engine-Codes – Generic – P0B79

P0B79 Code - Hybrid/Electric Vehicle Battery 13 Circuit Low Voltage

Quick Answer

The diagnostic trouble code P0B79 indicates an issue with the Hybrid/Electric Vehicle Battery 13 Circuit Low Voltage. Common causes include Faulty battery cell in Battery 13, Loose or corroded wiring connections, Malfunctioning battery management system. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

What it means
P0B79 indicates Hybrid/Electric Vehicle Battery 13 Circuit Low Voltage.
Common causes
Common causes include Faulty battery cell in Battery 13, Loose or corroded wiring connections, Malfunctioning battery management system.
Severity
High - diagnose this code as soon as possible.
Can I drive?
Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
What is this?
Table of contents Created and updated by William Orellana on Sep 12, 2024
💬 Need more help? Ask Auto Expert for instant answers — it's free!
AutoCodes App

Fix Your Car Smarter

Try the New AutoCodes App!

Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.

AutoCodes App on Google Play

Code P0B79 Description

The diagnostic trouble code P0B79 indicates an issue with the Hybrid/Electric Vehicle Battery 13 Circuit Low Voltage. In a hybrid or electric vehicle, the battery plays a crucial role in powering the electric motor and providing energy for various vehicle functions. When the voltage in Battery 13 is detected to be low, it can lead to a variety of performance issues and potentially affect the overall functionality of the vehicle.

OBDII Code P0B79 - Hybrid/Electric Vehicle Battery 13 Circuit Low Voltage
P0B79 Code - Hybrid/Electric Vehicle Battery 13 Circuit Low Voltage

Common Causes of P0B79

  1. Faulty battery cell in Battery 13
  2. Loose or corroded wiring connections
  3. Malfunctioning battery management system
  4. Issues with the charging system or alternator
  5. Extreme temperatures affecting battery performance

Symptoms of P0B79

  1. Reduced power output
  2. Decreased fuel efficiency
  3. Stalling or difficulty starting the vehicle
  4. Diminished performance in electric mode
  5. Warning lights on the dashboard related to the hybrid/electric system

How to Fix P0B79

  1. Perform a thorough diagnostic scan to pinpoint the exact cause of the low voltage in Battery 13.
  2. Inspect all wiring connections and terminals for corrosion or looseness. Clean or tighten as necessary.
  3. Test the battery cells in Battery 13 to identify any faulty cells that may be causing the low voltage.
  4. Check the battery management system and charging system for any faults or malfunctions. Replace or repair as needed.
  5. Reset the battery system and perform a battery recalibration if necessary to ensure proper voltage levels.

Cost to Fix P0B79

The typical repair costs for addressing a Hybrid/Electric Vehicle Battery 13 Circuit Low Voltage issue can vary depending on the specific cause of the problem and the extent of repairs needed. On average, the cost of parts and labor for this type of repair can range from $200 to $800. However, it's important to note that prices can fluctuate based on factors such as location, vehicle make and model, and the expertise of the technician performing the repairs. It's recommended to obtain quotes from local auto repair shops to get a more accurate estimate for this particular issue.

Need more information about the P0B79 code?

Need more information on how to fix the P0B79 code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P0B79 code diagnosed by a professional: Find a repair shop in your area

Code P0B79 Information for Specific Makes

About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about P0B79 Code

No Frequently Asked Questions about P0B79 Code found.

Discuss the causes and fixes for P0B79 OBDII Code

Submit a New Comment

Code P0B79 comments

No comments found for this page.