P162B 2018 Chevrolet Silverado 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 2018 Chevrolet Silverado 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 2018 Chevrolet Silverado 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 2018 Chevrolet Silverado?
- 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 2018 Chevrolet Silverado?
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 2018 Chevrolet Silverado 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 2018 Chevrolet Silverado code?
Need more information on how to fix the P162B 2018 Chevrolet Silverado code? Get Access to Factory Service Manuals
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Frequently Asked Questions about P162B 2018 Chevrolet Silverado Code
1. What are the common symptoms of OBDII code P162B in a 2018 Chevrolet Silverado?
- Common symptoms include the check engine light illuminating, reduced engine power, and potential issues with vehicle speed limiting features.
2. What could cause the OBDII code P162B in a 2018 Chevrolet Silverado?
- The code P162B typically indicates that the remote vehicle speed limiting signal message counter is incorrect, which could be caused by a faulty speed limiting module or wiring issues.
3. How serious is the OBDII code P162B in a 2018 Chevrolet Silverado?
- While the vehicle may still be operable with this code, it is important to address it promptly to prevent potential issues with speed limiting functions and ensure proper vehicle performance.
4. Can I continue driving my 2018 Chevrolet Silverado with the OBDII code P162B?
- It is generally not recommended to drive the vehicle with unresolved OBDII codes, including P162B, as it may lead to further complications and affect the vehicle's performance.
5. How can I repair the OBDII code P162B in my 2018 Chevrolet Silverado?
- To repair the P162B code, you may need to diagnose and address any underlying issues with the speed limiting system, such as checking for wiring faults, testing the speed limiting module, or seeking professional assistance.
6. Will resetting the OBDII code P162B in my 2018 Chevrolet Silverado make it go away permanently?
- Simply resetting the code may temporarily clear the check engine light, but if the underlying issue causing the P162B code is not addressed, the code is likely to reappear.
7. Is it possible to prevent the OBDII code P162B from occurring in my 2018 Chevrolet Silverado?
- Regular maintenance checks, timely repairs of speed limiting components, and ensuring proper wiring connections can help prevent the occurrence of the P162B code in your Silverado.
8. Can the OBDII code P162B in a 2018 Chevrolet Silverado be diagnosed without specialized equipment?
- While basic troubleshooting steps can be taken, diagnosing the exact cause of the P162B code may require specialized OBDII diagnostic tools and technical knowledge.
9. How much does it typically cost to repair the OBDII code P162B in a 2018 Chevrolet Silverado?
- The cost of repairing the P162B code can vary depending on the underlying issue, parts needed, and labor rates. It is advisable to consult a mechanic for a specific cost estimate.
10. Will the OBDII code P162B affect the overall performance and safety of my 2018 Chevrolet Silverado?
- While the P162B code may not directly impact safety, unresolved issues with the speed limiting system can affect overall vehicle performance and functionality. Addressing the code promptly is recommended.
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