AutoCodes – Chevrolet – P2147 2015 Chevrolet Silverado

P2147 2015 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 2015 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 245

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

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 2015 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 2015 Chevrolet Silverado - Cylinder 1 Injector High Control Circuit Low Voltage - AutoCodes.com — P2147 2015 Chevrolet Silverado Code - Cylinder 1 Injector High Control Circuit Low Voltage

What does this mean?

What are the Possible Causes of the DTC P2147 2015 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 2015 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 2015 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 2015 Chevrolet Silverado code?

Need more information on how to fix the P2147 2015 Chevrolet Silverado code? Get Access to Factory Service Manuals

Need Help with the 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 P2147 2015 Chevrolet Silverado Code

1. What are the common symptoms of OBDII code P2147 in a 2015 Chevrolet Silverado?

- Common symptoms include rough idle, engine misfires, decreased fuel efficiency, and illuminated Check Engine light.

2. What does the OBDII code P2147 on a 2015 Chevrolet Silverado indicate?

- The code P2147 indicates an issue with the Cylinder 1 Injector High Control Circuit having low voltage.

3. What are the possible causes of OBDII code P2147 on a 2015 Chevrolet Silverado?

- Possible causes include a faulty fuel injector, wiring or connector issues, a defective Engine Control Module (ECM), or a poor electrical connection.

4. How can I diagnose the Cylinder 1 Injector High Control Circuit Low Voltage issue in my 2015 Chevrolet Silverado?

- Diagnosis involves checking the wiring and connectors for any damage, testing the fuel injector resistance, and inspecting the ECM for proper functionality.

5. Can I continue driving my 2015 Chevrolet Silverado with OBDII code P2147 present?

- It is not recommended to drive the vehicle with code P2147 present, as it can lead to engine performance issues and potential damage if left unresolved.

6. What are some repair tips for fixing OBDII code P2147 in a 2015 Chevrolet Silverado?

- Repair tips include inspecting and repairing any damaged wiring or connectors, replacing the faulty fuel injector, and resetting the ECM after repairs are completed.

7. How much does it typically cost to repair OBDII code P2147 in a 2015 Chevrolet Silverado?

- The cost of repair can vary depending on the exact cause of the issue, but it may range from $200 to $500 for parts and labor.

8. Can a DIY enthusiast fix OBDII code P2147 in a 2015 Chevrolet Silverado?

- While some experienced DIY enthusiasts may be able to diagnose and repair the issue, it is recommended to consult a professional mechanic for proper diagnosis and repair to ensure the problem is resolved correctly.

9. Will resetting the Check Engine light resolve OBDII code P2147 in a 2015 Chevrolet Silverado?

- Resetting the Check Engine light may temporarily turn it off, but it will not fix the underlying issue causing code P2147. Proper diagnosis and repair are necessary to resolve the problem.

10. Is OBDII code P2147 a common issue in 2015 Chevrolet Silverado vehicles?

- While not extremely common, code P2147 can occur in 2015 Chevrolet Silverado vehicles due to various factors such as age, mileage, and maintenance history.