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Engine-Codes – Generic – P162B

P162B Code - Remote Vehicle Speed Limiting Signal Message Counter Incorrect

Quick Answer

The P162B code indicates that the remote vehicle speed limiting signal message counter is incorrect. Common causes include Faulty speed limiting system components, Poor connection or wiring issues in the speed limiting system, Software glitches or malfunctions in the vehicle's communication 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 indicates Remote Vehicle Speed Limiting Signal Message Counter Incorrect.
Common causes
Common causes include Faulty speed limiting system components, Poor connection or wiring issues in the speed limiting system, Software glitches or malfunctions in the vehicle's communication 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 06, 2024
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Code P162B Description

The P162B code indicates that the remote vehicle speed limiting signal message counter is incorrect. This means that there is a discrepancy in the communication between the vehicle's speed limiting system and the message counter. The speed limiting system is designed to restrict the vehicle's speed, particularly in fleet vehicles or for young drivers, and the message counter keeps track of the signals being sent and received related to this function. When the message counter is incorrect, it can lead to issues with the vehicle's speed limiting capabilities.

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

Common Causes of P162B

  1. Faulty speed limiting system components
  2. Poor connection or wiring issues in the speed limiting system
  3. Software glitches or malfunctions in the vehicle's communication system
  4. Electrical issues affecting the message counter
  5. Environmental factors such as extreme temperatures affecting system performance

Symptoms of P162B

  1. Speed limitations not engaging correctly
  2. Inaccurate speed readings on the dashboard
  3. Loss of power or acceleration when reaching a certain speed
  4. Warning lights related to speed limiting system appearing on the dashboard

How to Fix P162B

  1. Diagnose the specific cause of the incorrect message counter by using a diagnostic scanner to pinpoint the issue.
  2. Inspect the speed limiting system components and connections for any damage or loose connections.
  3. Check for any software updates or recalibrations needed for the vehicle's communication system.
  4. Repair or replace any faulty components in the speed limiting system or message counter as necessary.
  5. Clear the error code and reset the system to ensure proper functioning.

Cost to Fix P162B

The cost of repairing the P162B code can vary depending on the specific cause of the issue and the extent of repairs needed. On average, the repair costs for this issue can range from $100 to $500, including parts and labor. However, it's important to note that diagnostic time and labor rates can vary between auto repair shops. It's recommended to check with local shops for a more accurate estimate based on your vehicle's make and model.

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Code P162B Information for Specific Makes

  • P162B Buick — Remote Vehicle Speed Limiting Signal Message Counter Incorrect
  • P162B Cadillac — Remote Vehicle Speed Limiting Signal Message Counter Incorrect
  • P162B Chevrolet — Remote Vehicle Speed Limiting Signal Message Counter Incorrect
  • P162B GMC — Remote Vehicle Speed Limiting Signal Message Counter Incorrect
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 Code

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

- The common symptoms include the vehicle's speed being limited, reduced engine power, and the check engine light being illuminated.

2. What causes the OBDII code P162B to occur?

- The code is typically triggered when the remote vehicle speed limiting signal message counter is incorrect or inconsistent, often due to issues with the speed limiting system or communication errors.

3. How can I diagnose the root cause of OBDII code P162B?

- Diagnosing the issue involves checking the speed limiting system components, inspecting wiring for damage or loose connections, and using a diagnostic scanner to monitor the speed limiting signal messages.

4. Is it safe to continue driving with OBDII code P162B active?

- It is not recommended to drive with the code active as the speed limiting feature may compromise the vehicle's performance and safety. It's best to address the issue promptly.

5. What are some repair tips for resolving OBDII code P162B?

- Repair tips include checking and repairing any damaged wiring, ensuring all connections are secure, resetting the system, and updating any related software or modules.

6. Can a DIY enthusiast fix OBDII code P162B at home?

- While basic troubleshooting like checking connections and resetting the system can be done at home, resolving the code may require specialized tools and expertise, making it advisable to consult a professional mechanic.

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

- The cost of repair can vary depending on the underlying issue, but it may involve expenses for diagnostics, parts replacement, and labor, typically ranging from $100 to $500 or more.

8. Are there any preventive measures to avoid OBDII code P162B in the future?

- Regular maintenance, such as inspecting wiring and connectors, keeping software up to date, and addressing speed limiting system issues promptly, can help prevent the recurrence of the code.

9. Can OBDII code P162B affect vehicle performance?

- Yes, the code can impact vehicle performance by limiting speed and engine power, potentially leading to driving difficulties and safety concerns.

10. How urgent is it to address OBDII code P162B once detected?

- It is recommended to address the code promptly to prevent any safety hazards, performance issues, or potential damage to the vehicle that may arise from the incorrect speed limiting signal message counter.

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