AutoCodesGMC – B1516 2016 GMC Sierra

B1516 2016 GMC Sierra Code - Battery Current Sensor

Quick Answer

The Battery Current Sensor is a 3-wire hall effect current sensor. Common causes include Faulty Battery Current Sensor, Battery Current Sensor harness is open or shorted, Battery Current Sensor circuit poor electrical connection. 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
B1516 2016 GMC Sierra indicates Battery Current Sensor.
Common causes
Common causes include Faulty Battery Current Sensor, Battery Current Sensor harness is open or shorted, Battery Current Sensor circuit poor electrical connection.
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 Popularity 257
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Apr 20, 2023
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Code B1516 2016 GMC Sierra Description

The Battery Current Sensor is a 3-wire hall effect current sensor. The Body Control Module (BCM) supplies 5 V and ground to the battery current sensor. The battery current sensor measures the amount of current flowing to or from the battery, and supplies a Pulse Width Modulation (PWM) signal to the BCM. The Diagnostic Trouble Code (DTC) will be set when the BCM detects a fault with the Battery Current Sensor.
OBDII Code B1516 2016 GMC Sierra - Battery Current Sensor - AutoCodes.com
B1516 2016 GMC Sierra Code - Battery Current Sensor

What are the Possible Causes of the DTC B1516 2016 GMC Sierra?

  • Faulty Battery Current Sensor
  • Battery Current Sensor harness is open or shorted
  • Battery Current Sensor circuit poor electrical connection
  • Faulty Body Control Module (BCM)

How to Fix the DTC B1516 2016 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 B1516 2016 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 B1516 2016 GMC Sierra code?

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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 B1516 2016 GMC Sierra Code

1. What does the OBDII code B1516 mean on a 2016 GMC Sierra?

The B1516 code indicates an issue with the Battery Current Sensor, which monitors the battery's charge and discharge to maintain the electrical system's efficiency.

2. What are the common symptoms of the B1516 code on a 2016 GMC Sierra?

Symptoms may include the battery warning light turning on, erratic charging system behavior, or issues with the vehicle's Start/Stop system.

3. What causes the B1516 code to appear on a GMC Sierra?

Common causes include a faulty battery current sensor, damaged wiring or connectors to the sensor, or a malfunctioning alternator.

4. Can a weak battery trigger the B1516 code on a 2016 GMC Sierra?

Yes, a weak or failing battery may cause inaccurate readings from the battery current sensor, potentially triggering the code.

5. How do you diagnose the B1516 code on a GMC Sierra?

Diagnosis involves scanning for codes, inspecting the battery current sensor and its wiring for damage, and testing the alternator and battery performance.

6. Can I drive my 2016 GMC Sierra with the B1516 code active?

While the vehicle may still operate, ignoring the code can lead to further electrical issues or battery charging problems. It’s best to address it promptly.

7. How do you fix the B1516 code on a GMC Sierra?

Repairs may include replacing the battery current sensor, repairing damaged wiring, or addressing issues with the battery or alternator.

8. Where is the battery current sensor located on a 2016 GMC Sierra?

The battery current sensor is typically located on the negative battery cable near the battery.

9. Does the B1516 code require reprogramming after repair?

In some cases, the vehicle's control module may need to be reset or reprogrammed after replacing the battery current sensor to clear the code.

10. How much does it cost to fix the B1516 code on a 2016 GMC Sierra?

Repair costs vary depending on the issue, but replacing the battery current sensor generally costs $100-$300, including parts and labor.

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