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Engine-Codes – GMC – P162B 2014 GMC Sierra

P162B 2014 GMC Sierra Code - Remote Vehicle Speed Limiting Signal Message Counter Incorrect

Quick Answer

The P162B diagnostic trouble code (DTC) on a 2014 GMC Sierra refers to a Remote Vehicle Speed Limiting Signal Message Counter Incorrect. Common causes include Faulty speed sensor, Wiring harness issues, Communication errors between control modules. 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
P162B 2014 GMC Sierra indicates Remote Vehicle Speed Limiting Signal Message Counter Incorrect.
Common causes
Common causes include Faulty speed sensor, Wiring harness issues, Communication errors between control modules.
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 Aug 19, 2024
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Code P162B 2014 GMC Sierra Description

The P162B diagnostic trouble code (DTC) on a 2014 GMC Sierra refers to a Remote Vehicle Speed Limiting Signal Message Counter Incorrect. This code indicates a problem with the communication between the vehicle's control modules related to the remote speed limiting function. In modern vehicles, remote speed limiting can be used for various purposes such as fleet management, parental control, or compliance with speed regulations. When this code is triggered, it means that the signal message counter related to the remote speed limiting feature is incorrect, which can lead to issues with the vehicle's speed control system.

OBDII Code P162B 2014 GMC Sierra - Remote Vehicle Speed Limiting Signal Message Counter Incorrect
P162B 2014 GMC Sierra Code - Remote Vehicle Speed Limiting Signal Message Counter Incorrect

Common Causes of P162B 2014 GMC Sierra

  1. Faulty speed sensor
  2. Wiring harness issues
  3. Communication errors between control modules
  4. Software glitches or bugs
  5. Faulty control module

Symptoms of P162B 2014 GMC Sierra

  1. Check Engine Light illuminated
  2. Inconsistent speed control
  3. Vehicle speed limited unexpectedly
  4. Loss of communication with speed limiting system
  5. Erratic speedometer readings

How to Fix P162B 2014 GMC Sierra

  1. Perform a comprehensive diagnostic scan using a professional OBD-II scanner to identify the specific cause of the issue.
  2. Inspect the wiring harness for any damage or loose connections and repair as necessary.
  3. Test the speed sensor for proper operation and replace if faulty.
  4. Check and update the control module software to the latest version to address any potential glitches.
  5. Reset the error code and test drive the vehicle to ensure the issue has been resolved.

Cost to Fix P162B 2014 GMC Sierra

The cost of repairing a P162B code on a 2014 GMC Sierra can vary depending on the specific cause of the issue. Parts such as a speed sensor or control module may range from $50 to $200, while labor costs can range from $100 to $300. Overall, the total repair cost could be anywhere from $150 to $500. It's important to note that diagnosis time and labor rates at auto repair shops can fluctuate, so it's advisable to check with local shops for a more accurate estimate.

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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 P162B 2014 GMC Sierra Code

1. What are the common symptoms of OBDII code P162B in a 2014 GMC Sierra?

The common symptoms of code P162B in a 2014 GMC Sierra include issues with the vehicle's speed limiting system, reduced engine performance, and the illumination of the check engine light.

2. What does the OBDII code P162B in a 2014 GMC Sierra indicate?

Code P162B in a 2014 GMC Sierra indicates that the Remote Vehicle Speed Limiting Signal Message Counter is reporting an incorrect value.

3. What are the possible causes of OBDII code P162B in a 2014 GMC Sierra?

Possible causes of code P162B in a 2014 GMC Sierra include a faulty speed sensor, issues with the speed limiting system, wiring problems, or a malfunction in the control module.

4. How can I diagnose the OBDII code P162B in my 2014 GMC Sierra?

Diagnosing code P162B in a 2014 GMC Sierra typically involves using an OBDII scanner to retrieve the code, checking the speed sensor, inspecting the wiring, and testing the control module for proper function.

5. Can I continue driving my 2014 GMC Sierra with OBDII code P162B?

It is not recommended to drive your 2014 GMC Sierra with code P162B present, as it can lead to performance issues and potential safety concerns related to the speed limiting system.

6. How can I repair OBDII code P162B in my 2014 GMC Sierra?

Repairing code P162B in a 2014 GMC Sierra may involve replacing a faulty speed sensor, repairing wiring issues, or addressing problems with the speed limiting system. It is advisable to consult a professional mechanic for an accurate diagnosis and repair.

7. Is it necessary to reset the OBDII system after repairing code P162B in a 2014 GMC Sierra?

Yes, it is recommended to reset the OBDII system after repairing code P162B in a 2014 GMC Sierra to clear the error code and ensure proper functioning of the vehicle's systems.

8. How do I prevent OBDII code P162B from appearing in my 2014 GMC Sierra?

To prevent code P162B in a 2014 GMC Sierra, it is important to maintain regular vehicle maintenance, address any speed sensor issues promptly, and ensure the speed limiting system is functioning correctly.

9. Can a DIY enthusiast fix OBDII code P162B in a 2014 GMC Sierra?

While some aspects of diagnosing and repairing code P162B in a 2014 GMC Sierra may be possible for a DIY enthusiast, it is recommended to seek professional help for an accurate diagnosis and proper repair to avoid further complications.

10. How long does it typically take to repair OBDII code P162B in a 2014 GMC Sierra?

The time required to repair code P162B in a 2014 GMC Sierra can vary depending on the exact cause of the issue, availability of parts, and the expertise of the mechanic. It is advisable to consult with a professional to get an estimate of the repair timeline.

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