Engine-CodesChevrolet – P162B 2014 Chevrolet Silverado

P162B 2014 Chevrolet Silverado Code - Remote Vehicle Speed Limiting Signal Message Counter Incorrect

Quick Answer

The P162B diagnostic trouble code (DTC) for a 2014 Chevrolet Silverado indicates that the remote vehicle speed limiting signal message counter is incorrect. Common causes include Faulty speed limiting system components, Wiring or connection issues between the ECM and speed limiting system, ECM software malfunction. 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 Chevrolet Silverado indicates Remote Vehicle Speed Limiting Signal Message Counter Incorrect.
Common causes
Common causes include Faulty speed limiting system components, Wiring or connection issues between the ECM and speed limiting system, ECM software malfunction.
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.
Table of contents Created and updated by William Orellana on Sep 11, 2024
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Code P162B 2014 Chevrolet Silverado Description

The P162B diagnostic trouble code (DTC) for a 2014 Chevrolet Silverado indicates that the remote vehicle speed limiting signal message counter is incorrect. This error points to a discrepancy in the communication between the vehicle's control module and the speed limiting system. When this message counter is not accurate, it can affect the vehicle's ability to properly regulate its speed, potentially leading to performance issues and safety concerns.

OBDII Code P162B 2014 Chevrolet Silverado - Remote Vehicle Speed Limiting Signal Message Counter Incorrect
P162B 2014 Chevrolet Silverado Code - Remote Vehicle Speed Limiting Signal Message Counter Incorrect

Common Causes of P162B 2014 Chevrolet Silverado

  1. Faulty speed limiting system components
  2. Wiring or connection issues between the ECM and speed limiting system
  3. ECM software malfunction
  4. Sensor malfunction
  5. Electrical interference or signal disruption

Symptoms of P162B 2014 Chevrolet Silverado

  1. Inconsistent speed control
  2. Reduced engine power
  3. Illuminated check engine light
  4. Difficulty maintaining speed
  5. Vehicle speed limited below normal operating range

How to Fix P162B 2014 Chevrolet Silverado

  1. Perform a thorough inspection of the speed limiting system components and wiring for any visible damage or corrosion.
  2. Check and reset the ECM to ensure proper communication with the speed limiting system.
  3. Test the sensors related to the speed limiting system for functionality and replace if necessary.
  4. Clear the DTC and perform a test drive to verify that the issue has been resolved.
  5. If the problem persists, consult a professional mechanic or dealership for further diagnosis and potential ECM reprogramming.

Cost to Fix P162B 2014 Chevrolet Silverado

The typical repair costs for addressing the P162B code on a 2014 Chevrolet Silverado can vary depending on the specific cause of the issue. In general, you can expect to pay between $100 to $500 for parts and labor. Keep in mind that diagnostic time and labor rates at auto repair shops may vary, so it's recommended to obtain quotes from multiple sources to ensure a fair price. Additionally, factors such as location, vehicle make and model, and engine type can influence the final repair costs.

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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 Chevrolet Silverado Code

1. What does the OBDII code P162B mean on a 2014 Chevrolet Silverado?

P162B indicates that the Remote Vehicle Speed Limiting Signal Message Counter is incorrect, meaning there’s an issue with the data communication between the speed limiter system and the vehicle’s control modules.

2. What are the common symptoms of code P162B in a 2014 Chevrolet Silverado?

Symptoms may include a check engine light, speed limiter activation issues, reduced engine performance, or erratic speed limiting behavior.

3. What causes the P162B code to appear in a 2014 Chevrolet Silverado?

Common causes include faulty wiring or connections, a malfunctioning speed limiter control module, software issues in the ECM, or corrupted data communication.

4. Can a faulty speed limiter module trigger the P162B code?

Yes, a faulty or malfunctioning speed limiter control module can cause the P162B code by failing to send or receive the proper signal messages.

5. How can I diagnose the P162B code on my 2014 Chevrolet Silverado?

Use an OBDII scanner to confirm the code, inspect the wiring and connectors related to the speed limiter system, and check for software updates for the ECM or TCM.

6. Is the P162B code serious, and can I drive with it?

The P162B code may not immediately affect drivability but could result in reduced performance or speed limiter activation issues. It’s best to address the issue promptly to avoid further problems.

7. How do I fix the P162B code on my 2014 Chevrolet Silverado?

Repairs may involve checking and repairing wiring or connector issues, reprogramming or updating the ECM software, or replacing a faulty speed limiter control module.

8. Can a software update fix the P162B code?

Yes, if the issue is caused by outdated or corrupted ECM software, a software update may resolve the P162B code.

9. What tools are needed to troubleshoot the P162B code?

You’ll need an OBDII scanner, a multimeter for testing wiring, and potentially a GM-specific diagnostic tool for reprogramming or module testing.

10. Will clearing the P162B code with a scanner resolve the problem?

Clearing the code may temporarily remove the check engine light, but if the underlying issue isn’t fixed, the code will likely return.

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