P124D 2015 GMC Sierra Code - Injector 6 Positive Voltage 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 6, Fuel Injector 6 harness is open or shorted, Fuel Injector 6 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
- P124D 2015 GMC Sierra indicates Injector 6 Positive Voltage Control Circuit Shorted to Control Circuit.
- Common causes
- Common causes include Faulty Fuel Injector 6, Fuel Injector 6 harness is open or shorted, Fuel Injector 6 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 P124D 2015 GMC Sierra Description
What are the Possible Causes of the DTC P124D 2015 GMC Sierra?
- Faulty Fuel Injector 6
- Fuel Injector 6 harness is open or shorted
- Fuel Injector 6 circuit poor electrical connection
- Faulty Engine Control Module (ECM)
How to Fix the DTC P124D 2015 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 P124D 2015 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 P124D 2015 GMC Sierra Code
What does the OBDII code P124D mean on a 2015 GMC Sierra?
Code P124D indicates that the Injector 6 Positive Voltage Control Circuit is shorted to the control circuit, meaning there is an electrical issue affecting the injector's operation.
What are the common symptoms of code P124D on a 2015 GMC Sierra?
Symptoms may include rough idling, misfires, reduced engine performance, poor fuel economy, and the check engine light illuminating.
What causes the P124D code on a 2015 GMC Sierra?
Common causes include a shorted injector, damaged wiring or connectors, a faulty engine control module (ECM), or corrosion in the circuit.
Can I still drive my 2015 GMC Sierra with the P124D code?
Driving with this code may cause further damage to the engine or catalytic converter, so it's best to address the issue as soon as possible.
How can I diagnose the P124D code on a 2015 GMC Sierra?
Start by inspecting the wiring and connectors for Injector 6, checking for signs of damage or corrosion. Use a multimeter to test the circuit and ensure proper voltage is present.
What tools are needed to fix the P124D code on a 2015 GMC Sierra?
You may need a multimeter, OBDII scanner, wiring repair tools, and in some cases, replacement parts like an injector or ECM.
How do I fix the P124D code on a 2015 GMC Sierra?
Repairs may involve replacing a shorted injector, repairing damaged wiring, cleaning corroded connectors, or in rare cases, replacing the ECM.
What is the cost to fix the P124D code on a 2015 GMC Sierra?
The repair cost varies depending on the issue. Replacing an injector may cost $200-$500, while wiring repairs or ECM replacement can cost more.
Can a dirty fuel injector cause the P124D code?
No, this code specifically relates to an electrical short in the Injector 6 circuit, not a clog or mechanical issue with the injector.
How can I prevent the P124D code on my 2015 GMC Sierra?
Regularly inspect and maintain your vehicle's wiring, connectors, and fuel system to prevent damage or corrosion that could lead to this issue.
Discuss the causes and fixes for P124D 2015 GMC Sierra OBDII Code
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