B1517 2015 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 2015 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.
Code B1517 2015 GMC Sierra Description
What are the Possible Causes of the DTC B1517 2015 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 2015 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
- B1517 07: Battery Voltage High Voltage
- B1517 5A : Battery Voltage Not Plausible
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the B1517 2015 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 2015 GMC Sierra code?
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Frequently Asked Questions about B1517 2015 GMC Sierra Code
1. What does OBDII code B1517 mean on a 2015 GMC Sierra?
Code B1517 indicates that the vehicle's Body Control Module (BCM) has detected the battery voltage is either too low or too high.
2. What are the common symptoms of code B1517 in a 2015 GMC Sierra?
Symptoms may include dim or flickering lights, difficulty starting the engine, erratic electrical system behavior, and a warning light or message on the dashboard.
3. What causes code B1517 to appear in a 2015 GMC Sierra?
Common causes include a failing battery, a faulty alternator, corroded or loose battery terminals, a poor ground connection, or wiring issues.
4. Can a weak alternator trigger code B1517 in a 2015 GMC Sierra?
Yes, a weak or failing alternator can cause voltage fluctuations that trigger code B1517.
5. How do I fix code B1517 in my 2015 GMC Sierra?
Start by checking the battery and alternator for proper operation. Clean and tighten battery terminals, inspect wiring and grounds, and replace any faulty components as needed.
6. Can a bad battery trigger code B1517 in a 2015 GMC Sierra?
Yes, a bad or failing battery that cannot hold a proper charge can lead to voltage issues and trigger this code.
7. How do I diagnose code B1517 in a 2015 GMC Sierra?
Use a multimeter to check battery voltage (should be 12.4–12.7 volts when off, and 13.7–14.7 volts when running). Inspect the alternator, wiring, and grounds for any issues.
8. Will clearing the code B1517 fix the problem in a 2015 GMC Sierra?
Clearing the code without addressing the underlying issue will not fix the problem, and the code will likely return.
9. Can extreme weather cause code B1517 in a 2015 GMC Sierra?
Yes, extreme cold or heat can affect battery performance and electrical connections, potentially triggering the code.
10. Is it safe to drive a 2015 GMC Sierra with code B1517?
Driving with this code may lead to electrical system failures or a dead battery. It's best to diagnose and fix the issue promptly.
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