P162B 2014 GMC Sierra Code - Remote Vehicle Speed Limiting Signal Message Counter Incorrect
Quick Answer
When a remote slow-down request is sent from OnStar, the vehicle communication interface module sends a serial data message to the Engine Control Module (ECM) indicating that reduced vehicle speed has been requested. Common causes include Faulty Vehicle Communication Interface Module, Vehicle Communication Interface Module harness is open or shorted, Vehicle Communication Interface Module circuit poor electrical connection. 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 Vehicle Communication Interface Module, Vehicle Communication Interface Module harness is open or shorted, Vehicle Communication Interface Module circuit poor electrical connection.
- 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.
Code P162B 2014 GMC Sierra Description
The Diagnostic Trouble Code (DTC) will be set when the VIN embedded in the slow-down request does not match the VIN stored in the ECM or the rolling code counter embedded in the slow-down request does not increment for ten consecutive messages.
What are the Possible Causes of the DTC P162B 2014 GMC Sierra?
- Faulty Vehicle Communication Interface Module
- Vehicle Communication Interface Module harness is open or shorted
- Vehicle Communication Interface Module circuit poor electrical connection
- Faulty Engine Control Module (ECM)
How to Fix the DTC P162B 2014 GMC Sierra?
Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the P162B 2014 GMC Sierra code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.
Need more information about the P162B 2014 GMC Sierra code?
Need more information on how to fix the P162B 2014 GMC Sierra code? Get Access to Factory Service Manuals
Need Help with the Code?
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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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