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B1480 2017 GMC Sierra Code - Battery Rundown Protection Circuit

Quick Answer

The B1480 diagnostic trouble code (DTC) for a 2017 GMC Sierra relates to the Battery Rundown Protection Circuit. Common causes include Faulty Battery Rundown Protection Circuit module, Wiring issues or shorts in the circuit, Malfunctioning battery sensor or monitoring 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
B1480 2017 GMC Sierra indicates Battery Rundown Protection Circuit.
Common causes
Common causes include Faulty Battery Rundown Protection Circuit module, Wiring issues or shorts in the circuit, Malfunctioning battery sensor or monitoring 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 14, 2024
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Code B1480 2017 GMC Sierra Description

The B1480 diagnostic trouble code (DTC) for a 2017 GMC Sierra relates to the Battery Rundown Protection Circuit. This code indicates an issue with the system designed to prevent the vehicle's battery from being drained excessively when the engine is off. The Battery Rundown Protection Circuit is responsible for monitoring and controlling the power distribution to various components to avoid draining the battery beyond a certain level. When this system malfunctions, it can lead to a variety of problems that affect the vehicle's performance and overall functionality.

OBDII Code B1480 2017 GMC Sierra - Battery Rundown Protection Circuit
B1480 2017 GMC Sierra Code - Battery Rundown Protection Circuit

Common Causes of B1480 2017 GMC Sierra

  1. Faulty Battery Rundown Protection Circuit module.
  2. Wiring issues or shorts in the circuit.
  3. Malfunctioning battery sensor or monitoring system.
  4. Parasitic drain from aftermarket accessories or modifications.
  5. Corrosion or poor connections in the electrical system.

Symptoms of B1480 2017 GMC Sierra

  1. Difficulty starting the vehicle, especially after it has been sitting for a period of time.
  2. Dim or flickering interior lights or dashboard lights.
  3. Power windows or other electrical components not functioning properly.
  4. Warning lights related to the battery or electrical system appearing on the dashboard.
  5. Unexplained battery drain leading to frequent jump starts or battery replacements.

How to Fix B1480 2017 GMC Sierra

  1. Begin by conducting a thorough inspection of the Battery Rundown Protection Circuit, including the module, wiring, and connections.
  2. Test the battery sensor and monitoring system to ensure they are functioning correctly.
  3. Check for any aftermarket accessories or modifications that may be causing excessive battery drain.
  4. Repair or replace any damaged wiring, connections, or components in the circuit.
  5. Clear the DTC from the vehicle's computer system and perform a battery reset if necessary.

Cost to Fix B1480 2017 GMC Sierra

The cost of repairing a Battery Rundown Protection Circuit issue can vary depending on the specific cause of the problem and the extent of the repairs needed. In general, the cost of parts for this repair can range from $100 to $300, while labor costs may add an additional $100 to $200. Overall, the total repair cost for addressing a B1480 DTC in a 2017 GMC Sierra could fall between $200 and $500. It's important to note that actual repair costs can differ based on factors such as location, shop rates, and the availability of parts. It's recommended to consult with a qualified mechanic or repair shop for a more accurate estimate based on the specific circumstances of the vehicle in question.

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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 B1480 2017 GMC Sierra Code

1. What does OBDII code B1480 for a 2017 GMC Sierra indicate?

The B1480 code specifically relates to the Battery Rundown Protection Circuit in the vehicle.

2. What are the common symptoms of a B1480 OBDII code in a 2017 GMC Sierra?

Common symptoms include issues with the vehicle's battery rundown protection system, such as the battery not holding a charge or the vehicle experiencing electrical malfunctions.

3. What are the possible causes of the B1480 OBDII code in a 2017 GMC Sierra?

Potential causes include a faulty battery rundown protection circuit, a malfunctioning control module, wiring issues, or a drained or failing battery.

4. How can I diagnose a B1480 OBDII code in my 2017 GMC Sierra?

Diagnosing the issue typically involves using a diagnostic scanner to read the code, checking the battery voltage, inspecting the battery rundown protection circuit, and testing the control module and related wiring.

5. How can I repair a B1480 OBDII code in a 2017 GMC Sierra?

Repairing the issue may involve replacing a faulty battery rundown protection circuit, repairing or replacing damaged wiring, resetting the control module, or replacing the vehicle's battery if necessary.

6. Can I drive my 2017 GMC Sierra with a B1480 OBDII code?

It is not recommended to drive the vehicle with an unresolved B1480 code, as it may lead to issues with battery drainage or electrical malfunctions while driving.

7. How much does it cost to fix a B1480 OBDII code in a 2017 GMC Sierra?

The cost of fixing a B1480 code can vary depending on the exact cause of the issue, but it may involve parts and labor costs for repairs or replacements.

8. Is the B1480 OBDII code in a 2017 GMC Sierra a serious issue?

While the code itself may not indicate a critical problem, it is important to address it promptly to prevent potential issues with the vehicle's battery and electrical system.

9. Can I reset the B1480 OBDII code in my 2017 GMC Sierra without repairing the issue?

Resetting the code without addressing the underlying problem will not solve the issue, as the code is likely to reappear until the root cause is fixed.

10. How often does the B1480 OBDII code occur in a 2017 GMC Sierra?

The B1480 code related to the Battery Rundown Protection Circuit can occur sporadically or more frequently depending on the condition of the vehicle's electrical system and components.

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