AutoCodes – GMC – B1516 GMC

B1516 GMC 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 GMC 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 5,270
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 GMC 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 GMC - Battery Current Sensor - AutoCodes.com
B1516 GMC Code - Battery Current Sensor

What are the Possible Causes of the DTC B1516 GMC?

  • 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 GMC?

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 GMC 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 GMC code?

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Need Help with the Code?

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Information for Specific GMC Models

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 GMC Code

1. What are the common symptoms of OBDII code B1516 GMC (Battery Current Sensor)?

The common symptoms include the illumination of the check engine light, issues with the vehicle's electrical system, and potential problems with the battery or charging system.

2. What could cause OBDII code B1516 GMC to trigger?

The code B1516 GMC (Battery Current Sensor) is typically triggered by a faulty battery current sensor, damaged wiring or connectors related to the sensor, or issues with the battery itself.

3. How can I diagnose the cause of OBDII code B1516 GMC?

Diagnosing the cause of code B1516 involves using a scan tool to read the code, inspecting the battery current sensor and its connections for any visible damage, and testing the sensor's functionality using a multimeter.

4. Can I still drive my vehicle with OBDII code B1516 GMC active?

It is generally not recommended to drive the vehicle with an active B1516 code, as it can lead to further electrical system issues or potential battery-related problems. It's best to address the code promptly.

5. What are some repair tips for OBDII code B1516 GMC?

Repair tips for code B1516 GMC may include replacing the faulty battery current sensor, repairing any damaged wiring or connectors, ensuring a proper connection, and resetting the code with a scan tool after the repair.

6. Is it safe to reset OBDII code B1516 GMC without fixing the underlying issue?

Resetting the code without addressing the underlying cause, such as a faulty battery current sensor, is not recommended. The issue may persist, leading to potential safety hazards or further damage to the vehicle's electrical system.

7. Can a DIY enthusiast fix OBDII code B1516 GMC at home?

Depending on the individual's skill level and access to tools, a DIY enthusiast may be able to address code B1516 GMC by replacing the battery current sensor or repairing related wiring. However, professional diagnosis and repair are recommended for complex electrical issues.

8. How much does it typically cost to repair OBDII code B1516 GMC?

The cost of repairing code B1516 GMC can vary based on the underlying issue, labor rates, and the cost of parts. Replacing a battery current sensor or repairing wiring may range from $100 to $300 or more, including labor.

9. Are there any preventive measures to avoid OBDII code B1516 GMC in the future?

Regularly inspecting the battery current sensor and its connections for signs of wear or damage, maintaining the vehicle's electrical system, and ensuring the battery is in good condition can help prevent code B1516 GMC from recurring.

10. How urgent is it to address OBDII code B1516 GMC?

While the severity of the issue may vary, it is generally advisable to address code B1516 GMC promptly to prevent further electrical system problems or potential battery issues. Ignoring the code can lead to more significant repairs down the line.

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