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Engine-Codes – GMC – P162B GMC

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

Quick Answer

The P162B diagnostic trouble code for GMC vehicles indicates that there is an issue with the Remote Vehicle Speed Limiting Signal Message Counter being incorrect. Common causes include Faulty wiring or connections in the speed limiting system, Malfunctioning speed sensor, Issues with the vehicle's computer system. 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 GMC indicates Remote Vehicle Speed Limiting Signal Message Counter Incorrect.
Common causes
Common causes include Faulty wiring or connections in the speed limiting system, Malfunctioning speed sensor, Issues with the vehicle's computer system.
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 08, 2024
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Code P162B GMC Description

The P162B diagnostic trouble code for GMC vehicles indicates that there is an issue with the Remote Vehicle Speed Limiting Signal Message Counter being incorrect. In simpler terms, this means that the system responsible for controlling the vehicle's speed limit remotely is not receiving the correct signals or messages. This can have significant implications for the vehicle's performance and safety, as it directly affects the ability to control the vehicle's speed effectively.

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

Common Causes of P162B GMC

  1. Faulty wiring or connections in the speed limiting system
  2. Malfunctioning speed sensor
  3. Issues with the vehicle's computer system
  4. Software glitches
  5. Interference from other electronic components

Symptoms of P162B GMC

  1. Inaccurate speed limiting capabilities
  2. Unpredictable speed fluctuations
  3. Illuminated check engine light
  4. Reduced engine power
  5. Vehicle going into limp mode

How to Fix P162B GMC

  1. Perform a diagnostic scan to retrieve the specific fault codes and pinpoint the issue.
  2. Inspect the wiring and connections in the speed limiting system for any damage or corrosion.
  3. Test the speed sensor to ensure it is functioning properly and replace if necessary.
  4. Check the vehicle's computer system for any software updates or glitches that may be causing the issue.
  5. Clear the fault codes and test drive the vehicle to ensure the problem has been resolved.

Cost to Fix P162B GMC

The typical repair costs for addressing the P162B code can vary depending on the specific cause of the issue and the extent of the repairs needed. In general, the parts and labor for this type of repair can range from $200 to $500. However, it is important to note that the actual cost may be higher or lower based on factors such as the location of the repair shop, the make and model of the vehicle, and the time required for diagnosis and repair. It is recommended to consult with a qualified mechanic or dealership to get a more accurate estimate for this issue.

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Information for Specific GMC Models

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 GMC Code

1. What are the common symptoms of OBDII code P162B GMC?

The common symptoms of OBDII code P162B GMC may include limited vehicle speed, reduced engine performance, and an illuminated check engine light.

2. What does the OBDII code P162B GMC mean?

OBDII code P162B GMC indicates that the Remote Vehicle Speed Limiting Signal Message Counter is incorrect, potentially leading to speed limitations in the vehicle.

3. What are some possible causes of OBDII code P162B GMC?

Possible causes of OBDII code P162B GMC include issues with the speed limiting system, faulty wiring or connections, a malfunctioning speed sensor, or a problem with the engine control module.

4. How can I diagnose OBDII code P162B GMC?

Diagnosing OBDII code P162B GMC typically involves using an OBDII scanner to retrieve the code, checking the vehicle's speed limiting system, inspecting wiring and connections, and testing the speed sensor and engine control module.

5. Is it safe to continue driving with OBDII code P162B GMC?

It is not recommended to continue driving with OBDII code P162B GMC, as it may lead to speed limitations and potential safety hazards. It is advisable to address the issue promptly.

6. Can I repair OBDII code P162B GMC myself?

Repairing OBDII code P162B GMC may require advanced automotive knowledge and diagnostic tools. It is recommended to consult a professional mechanic for proper diagnosis and repair.

7. How much does it typically cost to fix OBDII code P162B GMC?

The cost of fixing OBDII code P162B GMC can vary depending on the underlying cause of the issue, parts needed for repair, and labor costs. It is advisable to obtain estimates from local mechanics or dealerships.

8. Will resetting the check engine light resolve OBDII code P162B GMC?

Resetting the check engine light may temporarily turn off the warning indicator, but it will not fix the underlying issue causing OBDII code P162B GMC. Proper diagnosis and repair are necessary to address the problem.

9. Can extreme weather conditions trigger OBDII code P162B GMC?

Extreme weather conditions such as extreme heat or cold may not directly trigger OBDII code P162B GMC. However, these conditions can sometimes exacerbate existing issues with the vehicle's speed limiting system or sensors.

10. How long does it typically take to repair OBDII code P162B GMC?

The time it takes to repair OBDII code P162B GMC can vary depending on the cause of the issue and the complexity of the repair. Some repairs may be completed in a few hours, while others may take longer due to diagnostic work or parts ordering.

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