P162B 2015 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 2015 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 2015 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 2015 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 2015 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 2015 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 2015 Chevrolet Silverado code?
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Frequently Asked Questions about P162B 2015 Chevrolet Silverado Code
1. What are the common symptoms of OBDII code P162B in a 2015 Chevrolet Silverado?
Symptoms may include the Check Engine Light coming on, reduced engine performance, and potential speed limiting by the vehicle's computer.
2. What does the OBDII code P162B indicate in a 2015 Chevrolet Silverado?
Code P162B indicates that the Remote Vehicle Speed Limiting Signal Message Counter is incorrect, suggesting a communication issue related to speed limiting signals.
3. What are the possible causes of OBDII code P162B in a 2015 Chevrolet Silverado?
Potential causes may include wiring issues, faulty speed sensors, a malfunctioning engine control module (ECM), or communication errors within the vehicle's network.
4. How can I diagnose OBDII code P162B in my 2015 Chevrolet Silverado?
Diagnosis typically involves using a diagnostic scanner to retrieve the code, checking the vehicle's speed sensors and related wiring, and inspecting the ECM for any signs of malfunction.
5. Can I continue driving my 2015 Chevrolet Silverado with OBDII code P162B?
It is not recommended to continue driving with this code present, as it may lead to speed limitations and potential safety concerns. It's best to address the issue promptly.
6. Is it possible to repair OBDII code P162B in a 2015 Chevrolet Silverado at home?
While some basic checks like inspecting wiring connections can be done at home, diagnosing and repairing the exact cause of P162B may require professional expertise and specialized tools.
7. How much does it typically cost to fix OBDII code P162B in a 2015 Chevrolet Silverado?
The cost of repair can vary depending on the underlying cause. It may range from a simple sensor replacement costing a couple of hundred dollars to more complex ECM repairs that could run into the thousands.
8. Will resetting the OBDII code P162B in my 2015 Chevrolet Silverado make it go away permanently?
Simply resetting the code without addressing the root cause will not fix the issue permanently. The code is likely to reappear until the underlying problem is resolved.
9. Can a faulty speed sensor cause OBDII code P162B in a 2015 Chevrolet Silverado?
Yes, a malfunctioning speed sensor can disrupt the communication of speed limiting signals, triggering code P162B in the vehicle's system.
10. How urgent is it to address OBDII code P162B in a 2015 Chevrolet Silverado?
It is advisable to address code P162B promptly to prevent potential speed limitations and ensure the vehicle operates properly. Postponing repairs could lead to further issues and safety concerns.
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