B1517 GMC Code - Battery Voltage Low Or High
Quick Answer
The B1517 GMC diagnostic trouble code indicates that the battery voltage in the vehicle's electrical system is either too low or too high. Common causes include Faulty alternator, Weak or failing battery, Corroded battery terminals. 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
- B1517 GMC indicates Battery Voltage Low Or High.
- Common causes
- Common causes include Faulty alternator, Weak or failing battery, Corroded battery terminals.
- 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.
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Code B1517 GMC Description
The B1517 GMC diagnostic trouble code indicates that the battery voltage in the vehicle's electrical system is either too low or too high. The battery voltage is crucial for the proper functioning of various electrical components in the vehicle, including the starter, alternator, lights, and other accessories. If the battery voltage is not within the specified range, it can lead to issues with starting the vehicle, poor performance, and potential damage to sensitive electronic components.
Common Causes of B1517 GMC
- Faulty alternator
- Weak or failing battery
- Corroded battery terminals
- Loose or damaged wiring
- Malfunctioning voltage regulator
Symptoms of B1517 GMC
- Difficulty starting the vehicle
- Dimming headlights or interior lights
- Erratic behavior of electrical components
- Stalling while driving
- Overcharging of the battery
How to Fix B1517 GMC
- Begin by checking the battery voltage using a multimeter to determine if it is within the specified range.
- Inspect the alternator for any signs of damage or wear, and test its output to ensure it is functioning correctly.
- Check the battery terminals for corrosion and ensure they are securely connected to the battery.
- Inspect the wiring harness for any signs of damage or wear, and repair or replace any damaged wires.
- If necessary, replace the battery, alternator, voltage regulator, or any other faulty components causing the issue.
Cost to Fix B1517 GMC
The cost of repairing a B1517 GMC code can vary depending on the specific cause of the issue and the extent of the repairs needed. On average, the cost of replacing a faulty alternator can range from $300 to $800, while a new battery may cost between $100 to $200. Additionally, the cost of labor for diagnosing and repairing the issue can range from $100 to $300, depending on the shop's hourly rates and the complexity of the repair. It is essential to consult with a qualified mechanic to get an accurate estimate for your specific vehicle.
Tech Notes for B1517 GMC
- B1517 07: Battery Voltage High Voltage
- B1517 5A : Battery Voltage Not Plausible
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Information for Specific GMC Models
- B1517 2014 GMC Sierra — Battery Voltage Low Or High
- B1517 2015 GMC Sierra — Battery Voltage Low Or High
- B1517 2016 GMC Sierra — Battery Voltage Low Or High
- B1517 2017 GMC Sierra — Battery Voltage Low Or High
- B1517 2018 GMC Sierra — Battery Voltage Low Or High
Frequently Asked Questions about B1517 GMC Code
1. What are the common symptoms of OBDII code B1517 GMC (Battery Voltage Low Or High)?
The common symptoms include issues with starting the vehicle, dimming or flickering lights, and fluctuations in the performance of electrical components.
2. What are the possible causes of OBDII code B1517 GMC?
The code B1517 can be triggered by a faulty battery, alternator problems, loose or corroded battery connections, or issues with the voltage regulator.
3. How can I diagnose the OBDII code B1517 GMC?
Diagnosing the code involves checking the battery voltage using a multimeter, inspecting the battery connections, testing the alternator output, and ensuring the voltage regulator is functioning correctly.
4. Can a low battery voltage trigger the OBDII code B1517 GMC?
Yes, a low battery voltage can trigger the code B1517 as it indicates a potential issue with the battery or the charging system of the vehicle.
5. How can I repair OBDII code B1517 GMC?
Repairing the code may involve replacing the battery if it is old or faulty, repairing any damaged or loose battery connections, testing and potentially replacing the alternator, and ensuring the voltage regulator is working properly.
6. Is it safe to continue driving with the OBDII code B1517 GMC triggered?
It is not recommended to continue driving with the code triggered, as it can lead to further electrical issues and potential vehicle breakdowns.
7. Can extreme weather conditions affect the triggering of OBDII code B1517 GMC?
Yes, extreme weather conditions can impact the battery performance and trigger the code B1517, especially in very hot or cold temperatures.
8. How long does it typically take to repair OBDII code B1517 GMC?
The repair time can vary depending on the exact cause of the issue, but it can usually be resolved within a few hours to a day by a qualified mechanic.
9. Will resetting the OBDII system clear the B1517 GMC code?
Resetting the OBDII system may temporarily clear the code, but if the underlying issue is not addressed, the code is likely to reappear.
10. Can a DIY enthusiast repair OBDII code B1517 GMC, or should it be done by a professional mechanic?
While some basic checks like inspecting battery connections can be done by a DIY enthusiast, diagnosing and repairing the code B1517 often requires the expertise of a professional mechanic to ensure the correct repair is performed.
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