P143B 2018 Chevrolet Silverado Code - Reductant Control System Information 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 Reductant 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 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.
Code P143B 2018 Chevrolet Silverado Description
What are the Possible Causes of the DTC P143B 2018 Chevrolet Silverado?
- Faulty Reductant Control System
How to Fix the DTC P143B 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 P143B 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 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.
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