AutoCodes – GMC – B1517 2017 GMC Sierra

B1517 2017 GMC Sierra Code - Battery Voltage Low Or High

Quick Answer

The vehicle control modules or sensors monitor the system voltage to verify the system voltage is within the normal operating range. Common causes include Low or High Battery Voltage, Faulty Control Module, Control Module harness is open or shorted. 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 2017 GMC Sierra indicates Battery Voltage Low Or High.
Common causes
Common causes include Low or High Battery Voltage, Faulty Control Module, Control Module harness is open or shorted.
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.
AI answers can be wrong. Verify repairs with testing. Open full chat
Code Popularity 295
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Jul 11, 2022
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Code B1517 2017 GMC Sierra Description

The vehicle control modules or sensors monitor the system voltage to verify the system voltage is within the normal operating range. Damage to components, and incorrect data can occur when the voltage is out of range. The vehicle has multiple Control Modules that will set this Diagnostic Trouble Code (DTC).
OBDII Code B1517 2017 GMC Sierra - Battery Voltage Low Or High - AutoCodes.com
B1517 2017 GMC Sierra Code - Battery Voltage Low Or High

What are the Possible Causes of the DTC B1517 2017 GMC Sierra?

  • Low or High Battery Voltage
  • Faulty Control Module
  • Control Module harness is open or shorted
  • Control Module circuit poor electrical connection

How to Fix the DTC B1517 2017 GMC Sierra?

Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.

Code Tech Notes

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the B1517 2017 GMC Sierra code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.

Need more information about the B1517 2017 GMC Sierra code?

Need more information on how to fix the B1517 2017 GMC Sierra code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B1517 2017 GMC Sierra code diagnosed by a professional: Find a repair shop in your area

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 B1517 2017 GMC Sierra Code

1. What are the common symptoms of OBDII code B1517 in a 2017 GMC Sierra?

When this code is triggered, you may experience issues such as dimming lights, erratic electrical behavior, difficulty starting the vehicle, or a warning message related to battery voltage.

2. What can cause the OBDII code B1517 indicating low or high battery voltage in a 2017 GMC Sierra?

Possible causes include a faulty battery, alternator issues, loose or corroded battery connections, a defective voltage regulator, or wiring problems.

3. How serious is the OBDII code B1517 in a 2017 GMC Sierra?

Ignoring this code can lead to potential damage to the vehicle's electrical system, including the battery and other components. It is important to address the underlying issue promptly.

4. Can a DIY enthusiast repair OBDII code B1517 in a 2017 GMC Sierra?

Depending on the cause, some DIY repairs are possible, such as checking and tightening battery connections, inspecting the battery for damage, or testing the alternator. However, more complex issues may require professional diagnosis and repair.

5. What are some tips for troubleshooting and repairing OBDII code B1517 in a 2017 GMC Sierra?

Start by checking the battery voltage with a multimeter, inspecting the battery connections, testing the alternator output, and examining the wiring for any visible damage or corrosion.

6. Is it safe to continue driving a 2017 GMC Sierra with the OBDII code B1517 active?

It is not recommended to drive the vehicle with this code active, as it can lead to unexpected electrical failures and potential safety hazards while on the road.

7. How can I reset the OBDII code B1517 in a 2017 GMC Sierra after performing repairs?

After addressing the underlying issue causing the code, you can reset it using an OBDII scanner or by disconnecting the vehicle's battery for a few minutes to clear the error code.

8. What should I do if the OBDII code B1517 persists in a 2017 GMC Sierra after attempted repairs?

If the code persists after troubleshooting and repair attempts, it is advisable to seek professional assistance from a certified mechanic or dealership for further diagnosis and resolution.

9. Can extreme weather conditions affect the likelihood of triggering OBDII code B1517 in a 2017 GMC Sierra?

Yes, extreme temperatures can impact battery performance and contribute to voltage fluctuations, potentially triggering this code in your vehicle.

10. How often should I check the battery and electrical system in a 2017 GMC Sierra to prevent OBDII code B1517 issues?

Regularly inspecting the battery, connections, and charging system as part of routine maintenance can help prevent issues related to low or high battery voltage and the triggering of OBDII code B1517.

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