AutoCodes – Chevrolet – P2154 2014 Chevrolet Silverado

P2154 2014 Chevrolet Silverado Code - Cylinder 3 Injector High Control Circuit High 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 3, Fuel Injector 3 harness is open or shorted, Fuel Injector 3 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: P2154 2014 Chevrolet Silverado indicates Cylinder 3 Injector High Control Circuit High Voltage.
Common causes: Common causes include Faulty Fuel Injector 3, Fuel Injector 3 harness is open or shorted, Fuel Injector 3 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.

Save to My Repairs My Repairs

AI answers can be wrong. Verify repairs with testing. Open full chat

Code Popularity 277

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
Add Comment

💬 Need more help? Ask Coddy for instant answers — it's free!

Code P2154 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 voltage for greater than 2 s.

OBDII Code P2154 2014 Chevrolet Silverado - Cylinder 3 Injector High Control Circuit High Voltage - AutoCodes.com — P2154 2014 Chevrolet Silverado Code - Cylinder 3 Injector High Control Circuit High Voltage

What does this mean?

What are the Possible Causes of the DTC P2154 2014 Chevrolet Silverado?

Faulty Fuel Injector 3
Fuel Injector 3 harness is open or shorted
Fuel Injector 3 circuit poor electrical connection
Faulty Engine Control Module (ECM)

How to Fix the DTC P2154 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 P2154 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 P2154 2014 Chevrolet Silverado code?

Need more information on how to fix the P2154 2014 Chevrolet Silverado code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P2154 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 P2154 2014 Chevrolet Silverado Code

1. What are the common symptoms of OBDII code P2154 in a 2014 Chevrolet Silverado?

- Common symptoms include engine misfires, rough idling, decreased fuel efficiency, and potential stalling of the vehicle.

2. What does the OBDII code P2154 indicating a "Cylinder 3 Injector High Control Circuit High Voltage" mean in a 2014 Chevrolet Silverado?

- This code indicates that there is a high voltage condition detected in the control circuit of the fuel injector for cylinder 3.

3. What are the possible causes of OBDII code P2154 in a 2014 Chevrolet Silverado?

- Possible causes include a faulty fuel injector, wiring or connector issues, a malfunctioning Engine Control Module (ECM), or a problem with the fuel injector driver circuit.

4. How can I diagnose the OBDII code P2154 in my 2014 Chevrolet Silverado?

- Diagnosis typically involves inspecting the wiring and connectors for damage, testing the fuel injector resistance, and checking the ECM for any faults using a diagnostic scanner.

5. Can I drive my 2014 Chevrolet Silverado with OBDII code P2154?

- It is not recommended to drive the vehicle with this code as it can lead to further damage to the engine or catalytic converter.

6. How can I repair OBDII code P2154 in my 2014 Chevrolet Silverado?

- The repair may involve replacing the faulty fuel injector, repairing any damaged wiring or connectors, resetting the ECM, or addressing any issues with the fuel injector driver circuit.

7. Will resetting the check engine light resolve OBDII code P2154 in my 2014 Chevrolet Silverado?

- Simply resetting the check engine light may temporarily clear the code, but it will likely return if the underlying issue causing the fault code is not addressed.

8. How much does it cost to repair OBDII code P2154 in a 2014 Chevrolet Silverado?

- The cost of repair can vary depending on the exact cause of the code, but it may range from a few hundred to a thousand dollars, including parts and labor.

9. Can a DIY enthusiast fix OBDII code P2154 in a 2014 Chevrolet Silverado?

- While some basic troubleshooting steps can be done by a DIY enthusiast, diagnosing and repairing this code may require specialized tools and expertise, so it is recommended to consult a professional mechanic.

10. How often does OBDII code P2154 occur in a 2014 Chevrolet Silverado?

- The occurrence of this code can vary, but it is not a common issue and may be influenced by factors such as vehicle maintenance and driving conditions.