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P167F 2016 GMC Sierra Code - Battery Voltage Signal Message Counter Incorrect

Quick Answer

The diagnostic trouble code P167F for a 2016 GMC Sierra indicates that the Battery Voltage Signal Message Counter is incorrect. Common causes include Faulty battery voltage sensor, Damaged wiring or connectors in the battery voltage signal circuit, Malfunctioning ECM. 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
P167F 2016 GMC Sierra indicates Battery Voltage Signal Message Counter Incorrect.
Common causes
Common causes include Faulty battery voltage sensor, Damaged wiring or connectors in the battery voltage signal circuit, Malfunctioning ECM.
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.
What is this?
Table of contents Created and updated by William Orellana on Sep 14, 2024
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Code P167F 2016 GMC Sierra Description

The diagnostic trouble code P167F for a 2016 GMC Sierra indicates that the Battery Voltage Signal Message Counter is incorrect. This code is typically triggered when the Engine Control Module (ECM) detects that the number of messages received from the battery voltage signal is not within the expected range. The battery voltage signal is crucial for the ECM to accurately monitor the voltage levels in the vehicle's electrical system. When the message counter is incorrect, it can lead to inaccurate readings and potentially affect the vehicle's performance.

OBDII Code P167F 2016 GMC Sierra - Battery Voltage Signal Message Counter Incorrect
P167F 2016 GMC Sierra Code - Battery Voltage Signal Message Counter Incorrect

Common Causes of P167F 2016 GMC Sierra

  1. Faulty battery voltage sensor
  2. Damaged wiring or connectors in the battery voltage signal circuit
  3. Malfunctioning ECM
  4. Weak or failing battery
  5. Corrosion on battery terminals

Symptoms of P167F 2016 GMC Sierra

  1. Check Engine Light illuminated on the dashboard
  2. Erratic or fluctuating voltage readings on the instrument cluster
  3. Difficulty starting the vehicle
  4. Poor fuel efficiency
  5. Engine stalling or rough idling

How to Fix P167F 2016 GMC Sierra

  1. Begin by connecting a diagnostic scanner to the vehicle's OBD-II port to retrieve the trouble codes and verify the P167F code.
  2. Inspect the battery voltage sensor, wiring, and connectors for any visible damage or corrosion. Replace or repair any faulty components.
  3. Test the battery to ensure it is in good condition and holding a proper charge. Replace the battery if necessary.
  4. Clear the trouble codes from the ECM using the diagnostic scanner and perform a test drive to ensure the issue has been resolved.
  5. If the problem persists, further diagnostics may be required to pinpoint the exact cause, such as testing the ECM or conducting a voltage drop test on the battery circuit.

Cost to Fix P167F 2016 GMC Sierra

The typical repair costs for addressing the P167F code on a 2016 GMC Sierra can vary depending on the specific cause of the issue. In general, the cost of replacing a battery voltage sensor can range from $100 to $200, while repairing damaged wiring or connectors may cost between $50 and $150. If a new battery is needed, the cost can range from $100 to $300. Labor costs at auto repair shops typically range from $80 to $150 per hour. It's advisable to consult with a professional mechanic to get an accurate estimate based on the specific diagnosis and repair required for your vehicle.

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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 P167F 2016 GMC Sierra Code

1. What does the OBDII code P167F mean on a 2016 GMC Sierra?

The P167F code indicates that the Battery Voltage Signal Message Counter is incorrect, meaning there is an issue with the communication of battery voltage data within the vehicle's control modules.

2. What are the common symptoms of the P167F code in a 2016 GMC Sierra?

Symptoms may include a check engine light, erratic electrical system behavior, difficulty starting the engine, or inconsistent voltage readings.

3. What causes the P167F code to appear in a GMC Sierra?

Common causes include a failing battery, loose or corroded battery terminals, a malfunctioning alternator, a damaged wiring harness, or software issues in the vehicle's control modules.

4. Can a bad battery trigger the P167F code?

Yes, a weak or failing battery can cause incorrect voltage signals, leading to the P167F code.

5. How do I diagnose the P167F code on my 2016 GMC Sierra?

Start by checking the battery's condition and voltage, inspect the battery terminals for corrosion or looseness, and use a scan tool to monitor electrical system data and communication between modules.

6. Is the P167F code related to the alternator?

Yes, a failing alternator that cannot maintain proper voltage levels can trigger the P167F code.

7. Can I drive my 2016 GMC Sierra with the P167F code?

While it may still be drivable, ignoring the issue could lead to further electrical problems or a dead battery. It's best to address the code promptly.

8. How can I fix the P167F code on my GMC Sierra?

Repairs may involve replacing a faulty battery, cleaning or tightening battery terminals, repairing damaged wiring, or reprogramming the control module if necessary.

9. Do I need a professional mechanic to fix the P167F code?

While you can perform basic checks like inspecting the battery and terminals, diagnosing and repairing more complex issues like wiring or module reprogramming may require a professional mechanic.

10. Can software updates resolve the P167F code?

Yes, in some cases, a software update for the vehicle's control module may resolve the communication issue causing the P167F code.

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