Engine-CodesGMC – P0B92 GMC

P0B92 GMC Code - Hybrid/Electric Vehicle Battery 18 Circuit Low Voltage

Quick Answer

The P0B92 GMC diagnostic trouble code (DTC) specifically refers to the Hybrid/Electric Vehicle Battery 18 Circuit Low Voltage. Common causes include Faulty battery cell, Malfunctioning battery management system, Wiring issue in circuit 18. 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
P0B92 GMC indicates Hybrid/Electric Vehicle Battery 18 Circuit Low Voltage.
Common causes
Common causes include Faulty battery cell, Malfunctioning battery management system, Wiring issue in circuit 18.
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 10, 2024
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Code P0B92 GMC Description

The P0B92 GMC diagnostic trouble code (DTC) specifically refers to the Hybrid/Electric Vehicle Battery 18 Circuit Low Voltage. This code indicates that there is a problem with the voltage levels in the hybrid or electric vehicle's battery circuit 18, which can negatively impact the vehicle's performance and overall functionality.

OBDII Code P0B92 GMC - Hybrid/Electric Vehicle Battery 18 Circuit Low Voltage
P0B92 GMC Code - Hybrid/Electric Vehicle Battery 18 Circuit Low Voltage

Common Causes of P0B92 GMC

  1. Faulty battery cell
  2. Malfunctioning battery management system
  3. Wiring issue in circuit 18
  4. Battery temperature sensor malfunction
  5. Corrosion or damage to battery terminals

Symptoms of P0B92 GMC

  1. Reduced power output or acceleration
  2. Decreased fuel efficiency
  3. Warning lights on the dashboard related to the hybrid/electric system
  4. Inability to switch to electric mode (for hybrid vehicles)
  5. Vehicle stalling or difficulty starting

How to Fix P0B92 GMC

  1. Perform a voltage test on the battery to determine the actual voltage levels in circuit 18.
  2. Inspect the battery cells for any signs of damage or wear and replace if necessary.
  3. Check the battery management system for faults or errors and reset as needed.
  4. Inspect the wiring in circuit 18 for any breaks, corrosion, or loose connections and repair as required.
  5. Test the battery temperature sensor and replace if found to be faulty.

Cost to Fix P0B92 GMC

The cost of repairing a Hybrid/Electric Vehicle Battery 18 Circuit Low Voltage issue can vary depending on the extent of the problem and the specific components that need to be replaced. On average, the repair costs for this type of issue can range from $200 to $800, including parts and labor. However, as mentioned earlier, it's important to note that labor rates at auto repair shops can vary widely, so it's advisable to check with local providers for a more accurate estimate. Additionally, if the battery itself needs to be replaced, the costs can escalate significantly, potentially reaching several thousand dollars.

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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 P0B92 GMC Code

1. What are the common symptoms of OBDII code P0B92 in a GMC Hybrid/Electric vehicle?

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

2. What can cause the OBDII code P0B92 to be triggered in a GMC Hybrid/Electric vehicle?

- The code P0B92 is typically triggered by issues related to the 18th hybrid/electric vehicle battery circuit experiencing low voltage.

3. How can I diagnose the OBDII code P0B92 in my GMC Hybrid/Electric vehicle?

- Diagnosis often involves inspecting the high voltage battery pack, checking for loose connections, and testing the voltage levels of the 18th circuit.

4. Is it safe to continue driving my GMC Hybrid/Electric vehicle with the OBDII code P0B92 present?

- It is not recommended to continue driving the vehicle with this code, as it can lead to further damage to the hybrid/electric system.

5. What are some repair tips for resolving the OBDII code P0B92 in a GMC Hybrid/Electric vehicle?

- Repair tips may include checking and tightening connections, replacing damaged wiring, resetting the system, or seeking professional help from a certified technician.

6. Can a DIY enthusiast fix the OBDII code P0B92 issue in a GMC Hybrid/Electric vehicle?

- While some basic troubleshooting steps can be taken by a DIY enthusiast, dealing with high voltage systems and complex hybrid/electric components may require professional expertise.

7. How much does it typically cost to repair the OBDII code P0B92 in a GMC Hybrid/Electric vehicle?

- Repair costs can vary depending on the extent of the issue, but they may range from a few hundred to over a thousand dollars, including parts and labor.

8. Are there any preventive measures to avoid encountering the OBDII code P0B92 in a GMC Hybrid/Electric vehicle?

- Regularly checking and maintaining the hybrid/electric system, ensuring proper charging, and addressing any warning signs promptly can help prevent the occurrence of this code.

9. Can a low-voltage issue in the 18th circuit impact the overall performance of a GMC Hybrid/Electric vehicle?

- Yes, a low-voltage issue in the 18th circuit can negatively affect the vehicle's performance, efficiency, and overall driveability.

10. How long does it typically take to repair the OBDII code P0B92 in a GMC Hybrid/Electric vehicle?

- The repair duration can vary based on the specific issue and the availability of parts, but it may take a few hours to a day for a professional technician to address the code effectively.

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