AutoCodes – Chevrolet – P2047 2014 Chevrolet Silverado

P2047 2014 Chevrolet Silverado Code - Reductant Injector Control Circuit

Quick Answer

The Reductant Injector is a component of selective catalytic reduction system used to dose the reductant fluid to the exhaust gas and participate in the reduction reactions. Common causes include Faulty Reductant Injector, Reductant Injector harness is open or shorted, Reductant Injector 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: P2047 2014 Chevrolet Silverado indicates Reductant Injector Control Circuit.
Common causes: Common causes include Faulty Reductant Injector, Reductant Injector harness is open or shorted, Reductant Injector 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.

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Code Popularity 284

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

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Table of contents Created and updated by William Orellana on Oct 01, 2022

Description
Possible Causes
How To Fix
Tech Notes ▶
Cost to Diagnose
FAQs
Comments
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Code P2047 2014 Chevrolet Silverado Description

The Reductant Injector is a component of selective catalytic reduction system used to dose the reductant fluid to the exhaust gas and participate in the reduction reactions. The Engine Control Module (ECM) calculates the injection time of the reductant injector based on the measurement of the NOx sensors. To activate the injector the ECM supplies a PWM signal to the high control circuit and the low control circuit is always commanded ON. The Diagnostic Trouble Code (DTC) will be set when the Reductant Control Module detects an open in the control circuit.

OBDII Code P2047 2014 Chevrolet Silverado - Reductant Injector Control Circuit - AutoCodes.com — P2047 2014 Chevrolet Silverado Code - Reductant Injector Control Circuit

What does this mean?

What are the Possible Causes of the DTC P2047 2014 Chevrolet Silverado?

Faulty Reductant Injector
Reductant Injector harness is open or shorted
Reductant Injector circuit poor electrical connection
Faulty Engine Control Module (ECM)

How to Fix the DTC P2047 2014 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 does this mean?

Code Tech Notes

User Submitted Video

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P2047 2014 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 P2047 2014 Chevrolet Silverado code?

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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.