P124D 2015 GMC Sierra Code - Injector 6 Positive Voltage Control Circuit Shorted to Control Circuit
Quick Answer
The diagnostic trouble code P124D for a 2015 GMC Sierra indicates a problem with the Injector 6 Positive Voltage Control Circuit being shorted to the Control Circuit. Common causes include Wiring harness damage, Faulty fuel injector, Corrosion in the electrical connections. 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 Wiring harness damage, Faulty fuel injector, Corrosion in the electrical connections.
- 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 P124D 2015 GMC Sierra Description
The diagnostic trouble code P124D for a 2015 GMC Sierra indicates a problem with the Injector 6 Positive Voltage Control Circuit being shorted to the Control Circuit. This issue can have a significant impact on the vehicle's performance and overall functionality. The fuel injectors in a vehicle are responsible for delivering the precise amount of fuel into the engine cylinders for combustion. When the Injector 6 Positive Voltage Control Circuit is shorted to the Control Circuit, it means that there is an electrical fault in the circuit that controls the injector's operation.
Common Causes of P124D 2015 GMC Sierra
- Wiring harness damage
- Faulty fuel injector
- Corrosion in the electrical connections
- Issues with the Engine Control Module (ECM)
- Poor electrical grounding
Symptoms of P124D 2015 GMC Sierra
- Rough idling
- Misfiring
- Decreased fuel efficiency
- Loss of power
- Stalling
How to Fix P124D 2015 GMC Sierra
- Begin by conducting a thorough inspection of the wiring harness and electrical connections related to Injector 6.
- Test the fuel injector for proper operation and replace it if necessary.
- Check for any corrosion in the electrical connections and clean or replace them as needed.
- Inspect the Engine Control Module (ECM) for any faults or malfunctions and address them accordingly.
- Ensure proper electrical grounding for the injector circuit.
Cost to Fix P124D 2015 GMC Sierra
The typical repair costs for addressing a P124D code on a 2015 GMC Sierra can vary depending on the specific issue causing the fault. In general, the cost of parts such as a new fuel injector or wiring harness, along with labor costs, can range from $200 to $600. It's important to note that diagnosis time and labor rates at auto repair shops can vary, with hourly rates typically falling between $80 and $150. Rates may be higher at dealerships or in metropolitan areas, while independent shops may offer lower prices. For a more accurate estimate, it's recommended to consult with local auto repair shops.
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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.
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