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Engine-Codes – GMC – P167F 2015 GMC Sierra

P167F 2015 GMC Sierra Code - Battery Voltage Signal Message Counter Incorrect

Quick Answer

The P167F diagnostic trouble code (DTC) for a 2015 GMC Sierra indicates that the battery voltage signal message counter is incorrect. Common causes include Faulty battery voltage sensor, Loose or corroded electrical connections, Wiring harness issues. 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 2015 GMC Sierra indicates Battery Voltage Signal Message Counter Incorrect.
Common causes
Common causes include Faulty battery voltage sensor, Loose or corroded electrical connections, Wiring harness issues.
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 17, 2024
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Code P167F 2015 GMC Sierra Description

The P167F diagnostic trouble code (DTC) for a 2015 GMC Sierra indicates that the battery voltage signal message counter is incorrect. This code is typically associated with a communication error between the battery voltage sensor and the vehicle's computer system. The battery voltage sensor is responsible for monitoring the voltage level of the battery and sending this information to the engine control module (ECM) for proper vehicle operation.

OBDII Code P167F 2015 GMC Sierra - Battery Voltage Signal Message Counter Incorrect
P167F 2015 GMC Sierra Code - Battery Voltage Signal Message Counter Incorrect

Common Causes of P167F 2015 GMC Sierra

  1. Faulty battery voltage sensor
  2. Loose or corroded electrical connections
  3. Wiring harness issues
  4. ECM software malfunction
  5. Battery issues (e.g., low voltage, dead cell)

Symptoms of P167F 2015 GMC Sierra

  1. Check engine light illuminated
  2. Poor fuel efficiency
  3. Rough idling or stalling
  4. Difficulty starting the vehicle
  5. Inaccurate battery voltage readings on the dashboard

How to Fix P167F 2015 GMC Sierra

  1. Begin by connecting a diagnostic scanner to the vehicle's OBD-II port to retrieve the specific DTC and confirm the P167F code.
  2. Inspect the battery voltage sensor and its wiring for any visible damage, corrosion, or loose connections. Repair or replace components as needed.
  3. Clear the DTC from the ECM memory using the diagnostic scanner and monitor the battery voltage readings to ensure they are accurate.
  4. If the issue persists, perform a voltage drop test on the wiring harness to identify any potential voltage losses. Repair or replace damaged wiring.
  5. Reset the ECM and perform a test drive to verify that the repair was successful and that the code does not return.

Cost to Fix P167F 2015 GMC Sierra

The typical repair costs for addressing a P167F code on a 2015 GMC Sierra can vary depending on the specific cause of the issue. In general, the cost of replacing a faulty battery voltage sensor can range from $100 to $300, including parts and labor. If the issue is related to wiring harness repairs or ECM software updates, the cost may increase accordingly. It is advisable to consult with a qualified mechanic or dealership to obtain a more accurate estimate based on the specific diagnosis and repair needed. Keep in mind that labor rates at auto repair shops can vary, with hourly rates typically ranging from $80 to $150.

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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 2015 GMC Sierra Code

1. What are the common symptoms of OBDII code P167F in a 2015 GMC Sierra?

- Common symptoms include issues with starting the vehicle, dimming lights, and potential voltage fluctuations.

2. What does the OBDII code P167F "Battery Voltage Signal Message Counter Incorrect" mean for a 2015 GMC Sierra?

- This code indicates that the vehicle's onboard computer has detected a discrepancy with the battery voltage signal message counter.

3. What are the possible causes of OBDII code P167F in a 2015 GMC Sierra?

- Possible causes include a faulty battery, alternator problems, damaged wiring, or issues with the vehicle's computer system.

4. How can I diagnose the OBDII code P167F in my 2015 GMC Sierra?

- Diagnosis typically involves checking the battery voltage, inspecting the alternator, testing the wiring for any damage, and scanning the computer system for faults.

5. Can I still drive my 2015 GMC Sierra with the OBDII code P167F present?

- It is not recommended to drive the vehicle with this code present, as it can lead to potential electrical issues that may affect the overall performance and safety of the vehicle.

6. How can I repair OBDII code P167F in a 2015 GMC Sierra?

- Repair options may include replacing the battery, repairing or replacing the alternator, fixing any damaged wiring, or resetting the computer system after addressing the underlying issue.

7. Is it safe to reset the OBDII code P167F in a 2015 GMC Sierra using a diagnostic tool?

- While clearing the code may temporarily disable the warning light, it is crucial to address the root cause of the issue to prevent further problems with the vehicle's electrical system.

8. How much does it typically cost to repair OBDII code P167F in a 2015 GMC Sierra?

- The cost of repairs can vary depending on the underlying issue, but it may range from a few hundred to over a thousand dollars, especially if parts need to be replaced.

9. Can a DIY enthusiast fix the OBDII code P167F issue in a 2015 GMC Sierra?

- DIY enthusiasts with some automotive repair experience may be able to diagnose and address simpler causes of this code, such as checking and replacing the battery or inspecting wiring for damage.

10. How often does the OBDII code P167F occur in a 2015 GMC Sierra?

- The frequency of this code occurrence can vary depending on the vehicle's condition, maintenance history, and driving habits, but it is relatively uncommon compared to other OBDII codes.

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