AutoCodes – Chevrolet – P2147 2014 Chevrolet Silverado

P2147 2014 Chevrolet Silverado Code - Cylinder 1 Injector High Control Circuit Low Voltage

Quick Answer

The Engine Control Module (ECM) supplies voltage to each fuel injector on the high control circuits. Common causes include Faulty Fuel Injector 1, Fuel Injector 1 harness is open or shorted, Fuel Injector 1 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: P2147 2014 Chevrolet Silverado indicates Cylinder 1 Injector High Control Circuit Low Voltage.
Common causes: Common causes include Faulty Fuel Injector 1, Fuel Injector 1 harness is open or shorted, Fuel Injector 1 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 240

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 Sep 08, 2022

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P2147 2014 Chevrolet Silverado Description

The Engine Control Module (ECM) supplies voltage to each fuel injector on the high control circuits. The ECM energizes each fuel injector by grounding the low control circuit of the fuel injector. The ECM monitors the status of the fuel injector circuits. When a fuel injector circuit condition is detected by the ECM, the affected fuel injector(s) is disabled. The Diagnostic Trouble Code (DTC) will be set when the ECM detects the fuel injector high voltage supply circuit is shorted to ground for greater than 2 s.

OBDII Code P2147 2014 Chevrolet Silverado - Cylinder 1 Injector High Control Circuit Low Voltage - AutoCodes.com — P2147 2014 Chevrolet Silverado Code - Cylinder 1 Injector High Control Circuit Low Voltage

What does this mean?

What are the Possible Causes of the DTC P2147 2014 Chevrolet Silverado?

Faulty Fuel Injector 1
Fuel Injector 1 harness is open or shorted
Fuel Injector 1 circuit poor electrical connection
Faulty Engine Control Module (ECM)

How to Fix the DTC P2147 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 is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P2147 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 P2147 2014 Chevrolet Silverado code?

Need more information on how to fix the P2147 2014 Chevrolet Silverado code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P2147 2014 Chevrolet Silverado code diagnosed by a professional: Find a repair shop in your area

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 P2147 2014 Chevrolet Silverado Code

1. What are the common symptoms of OBDII code P2147 in a 2014 Chevrolet Silverado?

The common symptoms of OBDII code P2147 in a 2014 Chevrolet Silverado include rough idling, misfiring, loss of power, and potentially reduced fuel efficiency.

2. What does the OBDII code P2147 indicate in a 2014 Chevrolet Silverado?

OBDII code P2147 in a 2014 Chevrolet Silverado indicates an issue with the Cylinder 1 Injector High Control Circuit Low Voltage.

3. What are the possible causes of OBDII code P2147 in a 2014 Chevrolet Silverado?

Possible causes of OBDII code P2147 in a 2014 Chevrolet Silverado include a faulty fuel injector, wiring issues in the injector circuit, or a problem with the Engine Control Module (ECM).

4. How can I diagnose the OBDII code P2147 in my 2014 Chevrolet Silverado?

Diagnosing OBDII code P2147 in a 2014 Chevrolet Silverado typically involves checking the wiring and connectors related to the Cylinder 1 fuel injector, inspecting the injector itself, and testing the ECM for proper functionality.

5. Is it safe to continue driving my 2014 Chevrolet Silverado with OBDII code P2147?

It is not recommended to continue driving your 2014 Chevrolet Silverado with OBDII code P2147, as it can lead to further engine damage and potential safety hazards.

6. Can I repair OBDII code P2147 in my 2014 Chevrolet Silverado myself?

While basic checks like inspecting wiring and connectors can be done by DIY enthusiasts, resolving OBDII code P2147 often requires professional diagnosis and repair due to the complexity of fuel injection systems.

7. How much does it typically cost to fix OBDII code P2147 in a 2014 Chevrolet Silverado?

The cost of fixing OBDII code P2147 in a 2014 Chevrolet Silverado can vary depending on the exact cause of the issue, but it may range from a few hundred to over a thousand dollars including parts and labor.

8. Can a bad fuel injector cause OBDII code P2147 in a 2014 Chevrolet Silverado?

Yes, a faulty fuel injector is one of the common causes of OBDII code P2147 in a 2014 Chevrolet Silverado, as it can lead to low voltage in the Cylinder 1 Injector High Control Circuit.

9. Are there any preventative maintenance tips to avoid OBDII code P2147 in a 2014 Chevrolet Silverado?

Regularly servicing and inspecting the fuel injection system, including the injectors and associated wiring, can help prevent issues like OBDII code P2147 in a 2014 Chevrolet Silverado.

10. How long does it typically take to repair OBDII code P2147 in a 2014 Chevrolet Silverado?

The repair time for OBDII code P2147 in a 2014 Chevrolet Silverado can vary based on the exact cause and availability of parts, but it may take a few hours to a day for a professional technician to diagnose and fix the issue.