Engine-CodesChevrolet – P2047 2014 Chevrolet Silverado

P2047 2014 Chevrolet Silverado Code - Reductant Injector Control Circuit

Quick Answer

The P2047 diagnostic trouble code (DTC) for a 2014 Chevrolet Silverado refers to the Reductant Injector Control Circuit. Common causes include Faulty Wiring: Damage to the wiring harness connected to the reductant injector control module can cause electrical issues and trigger the P2047 code, Defective Control Module: A malfunctioning control module can disrupt the operation of the reductant injector, leading to the code being triggered, Clogged Injector: A clogged reductant injector can prevent the proper amount of reductant from being injected into the exhaust stream, causing the control circuit to malfunction. 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
P2047 2014 Chevrolet Silverado indicates Reductant Injector Control Circuit.
Common causes
Common causes include Faulty Wiring: Damage to the wiring harness connected to the reductant injector control module can cause electrical issues and trigger the P2047 code, Defective Control Module: A malfunctioning control module can disrupt the operation of the reductant injector, leading to the code being triggered, Clogged Injector: A clogged reductant injector can prevent the proper amount of reductant from being injected into the exhaust stream, causing the control circuit to malfunction.
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.
Table of contents Created and updated by William Orellana on Sep 11, 2024
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Code P2047 2014 Chevrolet Silverado Description

The P2047 diagnostic trouble code (DTC) for a 2014 Chevrolet Silverado refers to the Reductant Injector Control Circuit. This code is typically associated with the vehicle's selective catalytic reduction (SCR) system, which is responsible for reducing harmful emissions by injecting a liquid reductant agent into the exhaust stream. The reductant injector control circuit ensures the proper operation of the injector system, allowing the vehicle to meet emissions standards set by regulatory bodies.

OBDII Code P2047 2014 Chevrolet Silverado - Reductant Injector Control Circuit
P2047 2014 Chevrolet Silverado Code - Reductant Injector Control Circuit

Common Causes of P2047 2014 Chevrolet Silverado

  1. Faulty Wiring: Damage to the wiring harness connected to the reductant injector control module can cause electrical issues and trigger the P2047 code.
  2. Defective Control Module: A malfunctioning control module can disrupt the operation of the reductant injector, leading to the code being triggered.
  3. Clogged Injector: A clogged reductant injector can prevent the proper amount of reductant from being injected into the exhaust stream, causing the control circuit to malfunction.
  4. Corrosion: Corrosion on the electrical connectors or terminals of the control circuit can interfere with the signal transmission, leading to the code being displayed.
  5. Software Issue: In some cases, a software glitch in the vehicle's engine control module (ECM) can cause the reductant injector control circuit to malfunction and trigger the P2047 code.

Symptoms of P2047 2014 Chevrolet Silverado

  1. Check Engine Light: The most common symptom associated with the P2047 code is the illumination of the check engine light on the vehicle's dashboard.
  2. Reduced Engine Performance: A malfunctioning reductant injector control circuit can lead to decreased engine performance, including reduced power and acceleration.
  3. Increased Emissions: The vehicle may produce higher levels of emissions due to the improper operation of the reductant injector system.
  4. Failed Emissions Test: If the P2047 code is not addressed, the vehicle may fail emissions tests due to increased pollutant levels in the exhaust.

How to Fix P2047 2014 Chevrolet Silverado

  1. Diagnose the Issue: Use a diagnostic scanner to retrieve the P2047 code and perform a visual inspection of the wiring harness and connectors for any signs of damage or corrosion.
  2. Test the Control Module: Check the functionality of the reductant injector control module using a multimeter to ensure that it is sending and receiving signals correctly.
  3. Inspect the Injector: Remove the reductant injector and inspect it for any signs of clogging or damage that may be causing the control circuit to malfunction.
  4. Repair or Replace Components: Depending on the findings of the diagnosis, repair or replace any faulty wiring, control modules, or injectors that are causing the P2047 code to be triggered.
  5. Clear the Code: Once the necessary repairs have been made, clear the P2047 code from the vehicle's ECM using a diagnostic scanner to reset the check engine light.

Cost to Fix P2047 2014 Chevrolet Silverado

The typical repair costs for addressing a P2047 code on a 2014 Chevrolet Silverado can vary depending on the extent of the issue and the specific components that need to be repaired or replaced. In general, the cost of parts for this repair can range from $100 to $500, while labor costs typically range from $150 to $300. Overall, the total repair cost for addressing the P2047 code can amount to anywhere from $250 to $800.

Tech Notes for P2047 2014 Chevrolet Silverado









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About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about P2047 2014 Chevrolet Silverado Code

1. What are some common symptoms of OBDII code P2047 on a 2014 Chevrolet Silverado?

- Common symptoms include the Check Engine light coming on, reduced engine performance, and potential issues with the exhaust system.

2. What does the OBDII code P2047 for a 2014 Chevrolet Silverado mean?

- OBDII code P2047 indicates a problem with the reductant injector control circuit in the vehicle's emissions system.

3. What are the possible causes of OBDII code P2047 on a 2014 Chevrolet Silverado?

- Possible causes include a faulty reductant injector, wiring issues in the injector circuit, a defective powertrain control module (PCM), or a poor electrical connection.

4. How can I diagnose the cause of OBDII code P2047 on my 2014 Chevrolet Silverado?

- Diagnosing the issue may involve checking the reductant injector and its wiring for any visible damage, testing the injector's resistance, and using a scan tool to monitor the injector control circuit.

5. Can I continue driving my 2014 Chevrolet Silverado with OBDII code P2047?

- It is not recommended to drive with a persistent Check Engine light, as the issue may affect the vehicle's performance and emissions. It's best to address the problem promptly.

6. How can I repair OBDII code P2047 on a 2014 Chevrolet Silverado?

- Repair options may include replacing the faulty reductant injector, repairing damaged wiring, addressing any PCM issues, or fixing poor electrical connections.

7. Are there any common DIY fixes for OBDII code P2047 on a 2014 Chevrolet Silverado?

- While some minor wiring repairs or connector cleanings may be possible for the DIY enthusiast, diagnosing and repairing the root cause of the code may require professional assistance.

8. How much does it cost to fix OBDII code P2047 on a 2014 Chevrolet Silverado?

- Repair costs can vary depending on the exact cause of the issue and whether you choose to address it yourself or seek help from a mechanic. Costs may include parts and labor.

9. Will resetting the Check Engine light resolve OBDII code P2047 on a 2014 Chevrolet Silverado?

- Resetting the light may temporarily turn it off, but if the underlying issue causing the code is not addressed, the light is likely to come back on.

10. Is OBDII code P2047 a common issue in 2014 Chevrolet Silverado vehicles?

- While not extremely common, issues with the reductant injector control circuit can occur in 2014 Chevrolet Silverado vehicles, especially as they age and components wear out.

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