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P167F 2018 Chevrolet Silverado Code - Battery Voltage Signal Message Counter Incorrect

Quick Answer

The P167F diagnostic trouble code (DTC) for a 2018 Chevrolet Silverado indicates that the Battery Voltage Signal Message Counter is incorrect. Common causes include Faulty battery voltage sensor, Corroded or damaged wiring/connectors in the sensor circuit, ECM software glitch. 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 2018 Chevrolet Silverado indicates Battery Voltage Signal Message Counter Incorrect.
Common causes
Common causes include Faulty battery voltage sensor, Corroded or damaged wiring/connectors in the sensor circuit, ECM software glitch.
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 2018 Chevrolet Silverado Description

The P167F diagnostic trouble code (DTC) for a 2018 Chevrolet Silverado 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 engine control module (ECM). The battery voltage sensor is responsible for monitoring the voltage level of the vehicle's battery and sending this information to the ECM. When the ECM receives an incorrect message counter from the sensor, it can lead to issues with the vehicle's electrical system and overall performance.

OBDII Code P167F 2018 Chevrolet Silverado - Battery Voltage Signal Message Counter Incorrect
P167F 2018 Chevrolet Silverado Code - Battery Voltage Signal Message Counter Incorrect

Common Causes of P167F 2018 Chevrolet Silverado

  1. Faulty battery voltage sensor
  2. Corroded or damaged wiring/connectors in the sensor circuit
  3. ECM software glitch
  4. Electrical system issues
  5. Battery issues

Symptoms of P167F 2018 Chevrolet Silverado

  1. Difficulty starting the vehicle
  2. Dimming or flickering lights
  3. Inaccurate battery voltage readings on the dashboard
  4. Engine stalling or rough idling
  5. Check engine light illuminated

How to Fix P167F 2018 Chevrolet Silverado

  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, wiring, and connectors for any visible damage or corrosion. Replace any components that are found to be faulty.
  3. Clear the DTC from the ECM's memory using the diagnostic scanner and monitor the battery voltage readings to ensure they are accurate.
  4. If the issue persists, consider reprogramming or replacing the ECM to address any software glitches or malfunctions.
  5. Test drive the vehicle to verify that the repair has resolved the issue and ensure that all symptoms associated with the P167F code have been eliminated.

Cost to Fix P167F 2018 Chevrolet Silverado

The typical repair costs for addressing a P167F code on a 2018 Chevrolet Silverado 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 $200, while repairing damaged wiring or connectors may cost between $50 and $150. If reprogramming or replacing the ECM is necessary, the cost could be higher, potentially ranging from $300 to $800 or more. Labor rates at auto repair shops can vary, but on average, expect to pay between $80 and $150 per hour for diagnostic time and repairs. It is advisable to check with local shops for more accurate cost estimates based on your location and vehicle specifics.

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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 2018 Chevrolet Silverado Code

1. What does OBDII code P167F mean on a 2018 Chevrolet Silverado?

P167F indicates that the Battery Voltage Signal Message Counter is incorrect, meaning the vehicle's control module is detecting an issue with the battery voltage signal communication.

2. What are common symptoms of P167F on a 2018 Chevrolet Silverado?

Symptoms may include a check engine light, unstable voltage levels, charging system warnings, or difficulty starting the vehicle.

3. What causes the P167F code to appear?

Common causes include a faulty battery, alternator issues, damaged wiring or connectors, or a malfunction in the Body Control Module (BCM) or Engine Control Module (ECM).

4. Can a weak or failing battery trigger the P167F code?

Yes, a weak or failing battery can cause the P167F code by sending inconsistent voltage signals to the vehicle's control systems.

5. How do I diagnose P167F on a 2018 Chevrolet Silverado?

Start with a battery and alternator test, inspect wiring and connectors for damage, and use a professional scan tool to check for related communication errors in the BCM or ECM.

6. Can I still drive with the P167F code active?

Driving with the P167F code is not recommended, as it may indicate problems with the charging system that could lead to battery failure or vehicle stalling.

7. How can I fix the P167F code on my Silverado?

Repair steps may include replacing the battery, repairing damaged wiring, or reprogramming or replacing the BCM or ECM if necessary.

8. Is reprogramming the BCM or ECM always required for P167F?

Not always. Reprogramming is only necessary if the issue is determined to be a software-related problem in the control modules.

9. How much does it cost to repair the P167F code on a Silverado?

Costs vary depending on the root cause. Battery replacement may cost $100–$300, while BCM/ECM repair or replacement could range from $400–$1,000 or more.

10. Can a faulty alternator cause the P167F code?

Yes, a malfunctioning alternator can cause inconsistent voltage signals, potentially triggering the P167F code.

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