Engine-CodesChevrolet – P0B79 Chevrolet

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

Quick Answer

The P0B79 code for Chevrolet specifically refers to a Hybrid/Electric Vehicle Battery 13 Circuit Low Voltage. Common causes include Faulty battery cell, Battery management system malfunction, Wiring or connector issues. 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 Chevrolet indicates Hybrid/Electric Vehicle Battery 13 Circuit Low Voltage.
Common causes
Common causes include Faulty battery cell, Battery management system malfunction, Wiring or connector issues.
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.
Table of contents Created and updated by William Orellana on Sep 11, 2024
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Code P0B79 Chevrolet Description

The P0B79 code for Chevrolet specifically refers to a Hybrid/Electric Vehicle Battery 13 Circuit Low Voltage. In hybrid and electric vehicles, the high voltage battery is a crucial component that stores and supplies power to the electric motor. When this code is triggered, it indicates that there is a low voltage condition in the 13th circuit of the battery system. This could be caused by a variety of issues, such as a faulty battery cell, a problem with the battery management system, or issues with the wiring or connectors.

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

Common Causes of P0B79 Chevrolet

  1. Faulty battery cell
  2. Battery management system malfunction
  3. Wiring or connector issues
  4. Corrosion or damage to battery terminals
  5. Overcharging or undercharging of the battery

Symptoms of P0B79 Chevrolet

  1. Reduced acceleration and power output
  2. Decreased fuel efficiency
  3. Warning lights on the dashboard related to the hybrid/electric system
  4. Difficulty starting the vehicle

How to Fix P0B79 Chevrolet

  1. Perform a thorough inspection of the battery system to identify the specific cause of the low voltage condition.
  2. Replace any faulty battery cells or damaged wiring/connectors.
  3. Reset the battery management system and perform a recalibration if necessary.
  4. Test the battery system to ensure that voltage levels are within the proper range.
  5. Clear the diagnostic trouble codes and test drive the vehicle to confirm that the issue has been resolved.

Cost to Fix P0B79 Chevrolet

The cost of repairing a Hybrid/Electric Vehicle Battery 13 Circuit Low Voltage issue can vary depending on the specific cause of the problem and the extent of the repairs needed. In general, you can expect to pay anywhere from $500 to $1500 for parts and labor. Keep in mind that labor rates at auto repair shops can vary, so it's a good idea to get multiple quotes before proceeding with the repair. Additionally, the cost of any necessary replacement parts will also factor into the total repair bill.

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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 Chevrolet Code

1. What are the common symptoms of OBDII code P0B79 in a Chevrolet hybrid/electric vehicle?

- Common symptoms include reduced electric propulsion power, poor fuel efficiency, and potential warning lights on the dashboard.

2. What can cause the OBDII code P0B79 indicating Hybrid/Electric Vehicle Battery 13 Circuit Low Voltage in a Chevrolet vehicle?

- The code P0B79 can be triggered by issues such as a faulty high voltage battery, damaged wiring, poor electrical connections, or a failing battery control module.

3. How serious is the OBDII code P0B79 in a Chevrolet hybrid/electric vehicle?

- The code P0B79 is a serious issue as it indicates low voltage in the hybrid/electric vehicle's battery circuit, which can impact overall vehicle performance and efficiency.

4. What are some potential repair tips for addressing the OBDII code P0B79 in a Chevrolet hybrid/electric vehicle?

- Repair tips may include checking and repairing any damaged wiring, ensuring proper electrical connections, testing the high voltage battery, and replacing any faulty components identified.

5. Can driving with the OBDII code P0B79 present cause further damage to the vehicle?

- Continuing to drive with the code P0B79 present can potentially cause further damage to the vehicle's electrical system and may lead to more severe issues, so it is recommended to address the problem promptly.

6. How can I diagnose the OBDII code P0B79 in a Chevrolet hybrid/electric vehicle?

- Diagnosis typically involves using a diagnostic scanner to read the code, conducting a visual inspection of the battery and wiring, and performing voltage tests to pinpoint the source of the low voltage issue.

7. Is it safe to reset the OBDII code P0B79 in a Chevrolet hybrid/electric vehicle without addressing the underlying issue?

- While resetting the code may temporarily turn off the warning light, it is not recommended as the underlying problem causing the low voltage issue will persist and potentially worsen over time.

8. Can a DIY enthusiast repair the OBDII code P0B79 in a Chevrolet hybrid/electric vehicle?

- Repairing the code P0B79 may require advanced electrical knowledge and specialized tools, so it is generally recommended to seek assistance from a qualified technician or dealership.

9. How much does it typically cost to repair the OBDII code P0B79 in a Chevrolet hybrid/electric vehicle?

- The cost of repairing the code P0B79 can vary depending on the underlying cause, parts needed for replacement, and labor costs, so it is advisable to get a professional diagnosis for an accurate estimate.

10. Are there any preventive measures to avoid encountering the OBDII code P0B79 in a Chevrolet hybrid/electric vehicle?

- Regular maintenance of the high voltage battery system, checking for loose connections, and addressing any warning signs promptly can help prevent the occurrence of the code P0B79 and related issues.

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