P124E 2017 GMC Sierra 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 2017 GMC Sierra 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.
Code P124E 2017 GMC Sierra Description
What are the Possible Causes of the DTC P124E 2017 GMC Sierra?
- 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 2017 GMC Sierra?
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 2017 GMC Sierra 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.
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Frequently Asked Questions about P124E 2017 GMC Sierra Code
What does the OBDII code P124E mean on a 2017 GMC Sierra?
The P124E code indicates that there is a short circuit between the high control circuit and the control circuit of cylinder 7's fuel injector.
What are the common symptoms of code P124E on a 2017 GMC Sierra?
Symptoms may include engine misfiring, reduced engine performance, rough idling, poor fuel efficiency, or the check engine light being illuminated.
What causes the P124E code on a 2017 GMC Sierra?
The most common causes are damaged or shorted wiring in the injector circuit, a faulty fuel injector, a malfunctioning engine control module (ECM), or corroded electrical connections.
Can I drive my 2017 GMC Sierra with the P124E code?
Driving with this code is not recommended as it can lead to further engine damage, poor performance, and higher emissions. Address the issue as soon as possible.
How do I diagnose the P124E code on a 2017 GMC Sierra?
Diagnosis typically involves checking the wiring and connectors for damage, testing the cylinder 7 fuel injector, and using a multimeter to measure circuit continuity and resistance.
What tools are needed to troubleshoot the P124E code?
You’ll need a diagnostic scan tool, a multimeter, and possibly an injector tester to properly troubleshoot the issue.
How do I fix the P124E code on a 2017 GMC Sierra?
Common repairs include repairing or replacing damaged wiring, cleaning or replacing corroded connectors, replacing the faulty injector, or reprogramming/repairing the ECM if necessary.
What is the cost to repair the P124E code on a 2017 GMC Sierra?
The repair cost can range from $150 to $500 or more, depending on whether the issue is related to wiring, the injector, or the ECM.
Can a bad fuel injector cause the P124E code on a 2017 GMC Sierra?
Yes, a faulty or shorted fuel injector for cylinder 7 can trigger this code by disrupting the circuit.
How can I prevent the P124E code from occurring again?
Regular maintenance, inspecting wiring for wear or damage, and ensuring the fuel system components are clean and functional can help prevent this code.
Discuss the causes and fixes for P124E 2017 GMC Sierra OBDII Code
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