P16E8 2018 Chevrolet Silverado Code - Engine Controls Ignition Relay Signal Message Counter Incorrect
Quick Answer
Control modules connected to the serial data circuits monitor the communication during normal vehicle operation. Common causes include Faulty Engine Controls Ignition Relay, Engine Controls Ignition Relay harness is open or shorted, Engine Controls Ignition Relay 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
- P16E8 2018 Chevrolet Silverado indicates Engine Controls Ignition Relay Signal Message Counter Incorrect.
- Common causes
- Common causes include Faulty Engine Controls Ignition Relay, Engine Controls Ignition Relay harness is open or shorted, Engine Controls Ignition Relay 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 P16E8 2018 Chevrolet Silverado Description
What are the Possible Causes of the DTC P16E8 2018 Chevrolet Silverado?
- Faulty Engine Controls Ignition Relay
- Engine Controls Ignition Relay harness is open or shorted
- Engine Controls Ignition Relay circuit poor electrical connection
How to Fix the DTC P16E8 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 P16E8 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 P16E8 2018 Chevrolet Silverado code?
Need more information on how to fix the P16E8 2018 Chevrolet Silverado code? Get Access to Factory Service Manuals
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Frequently Asked Questions about P16E8 2018 Chevrolet Silverado Code
1. What are the common symptoms of OBDII code P16E8 in a 2018 Chevrolet Silverado?
The common symptoms include rough idling, engine misfires, reduced engine performance, and the illumination of the check engine light.
2. What does the OBDII code P16E8 "Engine Controls Ignition Relay Signal Message Counter Incorrect" indicate for a 2018 Chevrolet Silverado?
The code indicates that the Engine Control Module (ECM) has detected an incorrect message counter from the ignition relay signal.
3. What are the possible causes of OBDII code P16E8 in a 2018 Chevrolet Silverado?
Possible causes include a faulty ignition relay, wiring issues in the ignition relay circuit, a malfunctioning ECM, or a software glitch in the vehicle's computer system.
4. How can I diagnose OBDII code P16E8 in my 2018 Chevrolet Silverado?
Diagnosis involves using a scan tool to retrieve the code, inspecting the ignition relay and its wiring, checking for any loose connections, and testing the ECM for proper functioning.
5. Can I continue driving my 2018 Chevrolet Silverado with OBDII code P16E8?
It is not recommended to continue driving the vehicle with this code, as it can lead to further engine issues and potential damage. It is advisable to address the problem promptly.
6. How can I reset the OBDII code P16E8 in my 2018 Chevrolet Silverado?
The code can be reset using an OBDII scan tool that has the capability to clear trouble codes. However, it is essential to address the underlying issue causing the code before clearing it.
7. Is it possible to repair OBDII code P16E8 in a 2018 Chevrolet Silverado at home?
While some DIY enthusiasts may attempt to address the issue at home by inspecting the ignition relay and wiring, it is recommended to seek professional help for accurate diagnosis and repair.
8. What are the potential risks of ignoring OBDII code P16E8 in a 2018 Chevrolet Silverado?
Ignoring the code can result in prolonged engine misfires, reduced fuel efficiency, and potential damage to engine components, leading to costly repairs in the future.
9. How much does it typically cost to repair OBDII code P16E8 in a 2018 Chevrolet Silverado?
The cost of repair can vary depending on the root cause of the issue. It may range from a simple relay replacement to more complex repairs involving the ECM. It is advisable to consult a mechanic for an accurate estimate.
10. Can extreme weather conditions affect OBDII code P16E8 in a 2018 Chevrolet Silverado?
Extreme weather conditions can potentially exacerbate issues related to the ignition relay and wiring, leading to false signals and triggering the code. It is essential to keep the vehicle well-maintained in all weather conditions.
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