AutoCodes – Chevrolet – P124E 2018 Chevrolet Silverado

P124E 2018 Chevrolet Silverado Code - Cylinder 7 Injector High Control Circuit Shorted to Control Circuit

Quick Answer

The Engine Control Module (ECM) supplies voltage to each fuel injector on the injector high voltage supply circuits. Common causes include Faulty Fuel Injector 7, Fuel Injector 7 harness is open or shorted, Fuel Injector 7 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: P124E 2018 Chevrolet Silverado indicates Cylinder 7 Injector High Control Circuit Shorted to Control Circuit.
Common causes: Common causes include Faulty Fuel Injector 7, Fuel Injector 7 harness is open or shorted, Fuel Injector 7 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 351

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 Aug 12, 2022

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P124E 2018 Chevrolet Silverado Description

The Engine Control Module (ECM) supplies voltage to each fuel injector on the injector high voltage supply circuits. The ECM energizes each fuel injector by grounding the high voltage control circuit of the fuel injector. The ECM monitors the status of the injector high voltage supply circuits and the fuel injector high voltage control 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 if the ECM detects the injector high control circuit is shorted to the low control circuit for greater than 2 s.

OBDII Code P124E 2018 Chevrolet Silverado - Cylinder 7 Injector High Control Circuit Shorted to Control Circuit - AutoCodes.com — P124E 2018 Chevrolet Silverado Code - Cylinder 7 Injector High Control Circuit Shorted to Control Circuit

What does this mean?

What are the Possible Causes of the DTC P124E 2018 Chevrolet Silverado?

Faulty Fuel Injector 7
Fuel Injector 7 harness is open or shorted
Fuel Injector 7 circuit poor electrical connection
Faulty Engine Control Module (ECM)

How to Fix the DTC P124E 2018 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 P124E 2018 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 P124E 2018 Chevrolet Silverado code?

Need more information on how to fix the P124E 2018 Chevrolet Silverado code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P124E 2018 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 P124E 2018 Chevrolet Silverado Code

What are the common symptoms of OBDII code P124E in a 2018 Chevrolet Silverado?

Common symptoms of OBDII code P124E in a 2018 Chevrolet Silverado may include rough idling, engine misfires, decreased fuel efficiency, and the illumination of the Check Engine Light.

What can cause the OBDII code P124E in a 2018 Chevrolet Silverado?

The OBDII code P124E in a 2018 Chevrolet Silverado is typically caused by a short circuit between the control circuits of cylinder 7 injector high and low.

How serious is the OBDII code P124E in a 2018 Chevrolet Silverado?

While the OBDII code P124E in a 2018 Chevrolet Silverado may not cause immediate engine failure, it can lead to poor engine performance and decreased fuel efficiency if left unresolved.

How can I diagnose the OBDII code P124E in a 2018 Chevrolet Silverado?

Diagnosing the OBDII code P124E in a 2018 Chevrolet Silverado involves using a scan tool to check for the code, inspecting the wiring harness for any visible damage, and testing the injector's electrical connections.

What are the repair options for the OBDII code P124E in a 2018 Chevrolet Silverado?

The repair options for the OBDII code P124E in a 2018 Chevrolet Silverado may include repairing any damaged wiring, replacing the injector if necessary, and clearing the trouble code with a scan tool.

Can I drive my 2018 Chevrolet Silverado with the OBDII code P124E?

It is not recommended to drive your 2018 Chevrolet Silverado with the OBDII code P124E present, as it can lead to further damage and poor engine performance. It is best to address the issue promptly.

How much does it cost to fix the OBDII code P124E in a 2018 Chevrolet Silverado?

The cost to fix the OBDII code P124E in a 2018 Chevrolet Silverado can vary depending on the extent of the damage and the specific repairs needed. It is advisable to consult a mechanic for an accurate estimate.

Can a DIY enthusiast fix the OBDII code P124E in a 2018 Chevrolet Silverado?

While some DIY enthusiasts may be able to address the OBDII code P124E in a 2018 Chevrolet Silverado by following repair guides, it is recommended to have the issue diagnosed and repaired by a professional mechanic for optimal results.