AutoCodes – Chevrolet – B1517 2018 Chevrolet Silverado

B1517 2018 Chevrolet Silverado 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 2018 Chevrolet Silverado 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 965
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 2018 Chevrolet Silverado 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 2018 Chevrolet Silverado - Battery Voltage Low Or High - AutoCodes.com
B1517 2018 Chevrolet Silverado Code - Battery Voltage Low Or High

What are the Possible Causes of the DTC B1517 2018 Chevrolet Silverado?

  • 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 2018 Chevrolet Silverado?

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 2018 Chevrolet Silverado 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 2018 Chevrolet Silverado code?

Need more information on how to fix the B1517 2018 Chevrolet Silverado code? Get Access to Factory Service Manuals

Need Help with the Code?

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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 B1517 2018 Chevrolet Silverado Code

1. What are common symptoms of OBDII code B1517 in a 2018 Chevrolet Silverado?

- Common symptoms include flickering lights, dimming headlights, intermittent power loss, and difficulty starting the vehicle.

2. What causes the OBDII code B1517 (Battery Voltage Low Or High) in a 2018 Chevrolet Silverado?

- The code is triggered when the vehicle's onboard computer detects that the battery voltage is outside of the acceptable range, which can be caused by a faulty battery, alternator issues, poor electrical connections, or a failing voltage regulator.

3. How can I diagnose the root cause of OBDII code B1517 in my 2018 Chevrolet Silverado?

- To diagnose the issue, you can start by checking the battery voltage using a multimeter, inspecting the battery terminals for corrosion, testing the alternator output, and examining the wiring and connections related to the charging system.

4. Can a weak battery cause the OBDII code B1517 in my 2018 Chevrolet Silverado?

- Yes, a weak or failing battery can lead to fluctuations in voltage that trigger the B1517 code. It is important to test the battery's health and replace it if necessary to resolve the issue.

5. What are some repair tips for addressing the OBDII code B1517 in a 2018 Chevrolet Silverado?

- Repair tips include checking and cleaning the battery terminals, ensuring proper grounding of the battery, inspecting the alternator for proper functioning, replacing a faulty voltage regulator, and addressing any wiring issues in the charging system.

6. Is it safe to continue driving my 2018 Chevrolet Silverado with the OBDII code B1517 present?

- It is not recommended to continue driving the vehicle with the B1517 code active, as it can lead to electrical problems and potential stalling or starting issues. It is best to address the root cause of the code promptly.

7. How much does it typically cost to repair the OBDII code B1517 in a 2018 Chevrolet Silverado?

- The cost of repairing the B1517 code can vary depending on the underlying issue. Costs may include battery replacement, alternator repairs, voltage regulator replacement, or addressing wiring problems. It is advisable to consult a mechanic for an accurate estimate.

8. Can extreme weather conditions affect the battery voltage and trigger the OBDII code B1517 in a 2018 Chevrolet Silverado?

- Yes, extreme heat or cold can affect battery performance and voltage levels, potentially leading to the triggering of the B1517 code. It is important to monitor the battery's health and performance in such conditions.

9. Will disconnecting the battery reset the OBDII code B1517 in my 2018 Chevrolet Silverado?

- Disconnecting the battery may temporarily clear the code, but it is not a guaranteed solution. It is recommended to diagnose the root cause of the issue and perform necessary repairs to prevent the code from reoccurring.

10. How often should I have the battery and charging system inspected to prevent the OBDII code B1517 in my 2018 Chevrolet Silverado?

- It is advisable to have the battery and charging system inspected regularly as part of routine maintenance, especially before extreme weather conditions or long road trips, to ensure optimal performance and prevent issues like the B1517 code.

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