P124D 2014 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 2014 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 2014 GMC Sierra Description
What are the Possible Causes of the DTC P124D 2014 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 2014 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 2014 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 2014 GMC Sierra Code
What does the OBDII code P124D mean on a 2014 GMC Sierra?
The P124D code indicates that the Injector 6 Positive Voltage Control Circuit is shorted to the control circuit, meaning there’s an electrical issue with injector 6's wiring or components.
What are the common symptoms of the P124D code in a 2014 GMC Sierra?
Symptoms may include rough idling, misfiring, reduced engine performance, poor fuel economy, and an illuminated check engine light.
What causes the P124D code to appear?
Common causes include damaged or shorted wiring for injector 6, a faulty fuel injector, a malfunctioning engine control module (ECM), or loose electrical connections.
How can I diagnose the P124D code on a 2014 GMC Sierra?
Start by inspecting the wiring and connectors for injector 6 for damage or corrosion. Use a multimeter to check for shorts or continuity issues, and test the injector and ECM for proper functionality.
Can I drive my 2014 GMC Sierra with the P124D code?
It is not recommended to drive with this code, as it can cause engine misfires and reduced performance, potentially leading to further damage.
How do I fix the P124D code on a 2014 GMC Sierra?
Repairs may include replacing or repairing damaged wiring, cleaning or reconnecting loose connectors, replacing the faulty injector, or, in rare cases, replacing the ECM.
Is the P124D code specific to injector 6?
Yes, this code specifically refers to a short circuit issue in the voltage control circuit for injector 6.
How much does it cost to repair the P124D code?
Repair costs vary depending on the issue. Wiring repairs may cost $50-$200, while replacing an injector can cost $200-$500. ECM replacement is more expensive, ranging from $500-$1,500.
Can a clogged fuel injector cause the P124D code?
No, this code is related to an electrical short, not a mechanical clog. A clogged injector would typically trigger a different code.
Does the P124D code require special tools to fix?
Yes, diagnosing and repairing this code may require tools like a multimeter, a scan tool, and possibly injector testing equipment.
Discuss the causes and fixes for P124D 2014 GMC Sierra OBDII Code
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