P143B 2018 Chevrolet Silverado Code - Reductant Control System Information Signal Message Counter Incorrect
Quick Answer
The P143B diagnostic trouble code for a 2018 Chevrolet Silverado indicates a problem with the Reductant Control System Information Signal Message Counter being incorrect. Common causes include Faulty reductant control module, Wiring or connection issues within the system, Malfunctioning sensors related to the emissions control 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
- P143B 2018 Chevrolet Silverado indicates Reductant Control System Information Signal Message Counter Incorrect.
- Common causes
- Common causes include Faulty reductant control module, Wiring or connection issues within the system, Malfunctioning sensors related to the emissions control 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.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.
Code P143B 2018 Chevrolet Silverado Description
The P143B diagnostic trouble code for a 2018 Chevrolet Silverado indicates a problem with the Reductant Control System Information Signal Message Counter being incorrect. In simpler terms, this code is related to the vehicle's emissions control system, specifically the system responsible for reducing harmful emissions from the exhaust. The incorrect signal message counter suggests a communication issue within the system, which can affect the proper functioning of the vehicle's emissions control components. If not addressed, this issue can lead to increased emissions, reduced fuel efficiency, and potential compliance issues with emissions regulations.
Common Causes of P143B 2018 Chevrolet Silverado
- Faulty reductant control module
- Wiring or connection issues within the system
- Malfunctioning sensors related to the emissions control system
- Software or programming issues
- Environmental factors affecting the system's operation
Symptoms of P143B 2018 Chevrolet Silverado
- Check engine light illuminated on the dashboard
- Reduced fuel efficiency
- Rough idling or stalling
- Failed emissions test
- Reduced engine performance
How to Fix P143B 2018 Chevrolet Silverado
- Diagnostic scan to retrieve the specific error codes and pinpoint the issue
- Inspect wiring and connections for any damage or corrosion
- Test and potentially replace sensors related to the reductant control system
- Update software or reprogram the control module if necessary
- Clear error codes, reset the system, and perform a test drive to ensure the issue is resolved
Cost to Fix P143B 2018 Chevrolet Silverado
The typical repair costs for addressing the P143B code in a 2018 Chevrolet Silverado can range from $200 to $500, including parts and labor. However, actual costs can vary depending on the specific diagnosis time, labor rates, and any additional components that may need to be replaced. It's recommended to consult with a qualified mechanic or auto repair shop to get an accurate estimate based on the individual vehicle and location.
Need more information about the P143B 2018 Chevrolet Silverado code?
Need more information on how to fix the P143B 2018 Chevrolet Silverado code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the P143B 2018 Chevrolet Silverado code diagnosed by a professional: Find a repair shop in your area
Frequently Asked Questions about P143B 2018 Chevrolet Silverado Code
1. What are the common symptoms of OBDII code P143B in a 2018 Chevrolet Silverado?
The common symptoms include the check engine light coming on, reduced engine performance, and potential issues with the vehicle passing emissions tests.
2. What does the OBDII code P143B indicate in a 2018 Chevrolet Silverado?
OBDII code P143B indicates that the Reductant Control System Information Signal Message Counter is incorrect, which may affect the efficiency of the vehicle's emissions control system.
3. What are the potential causes of OBDII code P143B in a 2018 Chevrolet Silverado?
Potential causes of this code include a faulty reductant control module, issues with the reductant fluid quality, wiring problems, or a malfunctioning sensor within the emissions control system.
4. How can I diagnose the OBDII code P143B in my 2018 Chevrolet Silverado?
Diagnosing OBDII code P143B typically involves using an OBDII scanner to retrieve the code, checking the reductant fluid quality, inspecting the wiring and connectors, and testing the sensors within the reductant control system.
5. Can I continue driving my 2018 Chevrolet Silverado with OBDII code P143B?
It is not recommended to continue driving with OBDII code P143B illuminated, as it may lead to reduced fuel efficiency, increased emissions, and potential damage to the emissions control system.
6. How can I reset the OBDII code P143B in my 2018 Chevrolet Silverado?
Resetting the code can be done with an OBDII scanner by clearing the code after repairs have been made to address the underlying issue causing the P143B fault.
7. Is it possible to repair OBDII code P143B in a 2018 Chevrolet Silverado without professional help?
While some DIY enthusiasts may be able to address simpler causes like fluid quality or loose connections, diagnosing and repairing complex issues related to P143B may require professional assistance.
8. Will OBDII code P143B cause my 2018 Chevrolet Silverado to fail emissions testing?
Yes, OBDII code P143B can cause your vehicle to fail emissions testing, as it indicates a fault in the reductant control system that is essential for meeting emission standards.
9. How much does it typically cost to repair OBDII code P143B in a 2018 Chevrolet Silverado?
The cost of repairing OBDII code P143B can vary depending on the underlying cause of the issue. It is recommended to get a diagnostic from a qualified mechanic to determine the exact repair cost.
10. How often does OBDII code P143B occur in 2018 Chevrolet Silverado vehicles?
OBDII code P143B may occur infrequently in 2018 Chevrolet Silverado vehicles, but it is essential to address the issue promptly to ensure proper vehicle performance and compliance with emissions regulations.
Discuss the causes and fixes for P143B 2018 Chevrolet Silverado OBDII Code
Code P143B 2018 Chevrolet Silverado comments
No comments found for this page.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.