P124D 2014 Chevrolet Silverado 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 Chevrolet Silverado 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 Chevrolet Silverado Description
What are the Possible Causes of the DTC P124D 2014 Chevrolet Silverado?
- 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 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 P124D 2014 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.
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Frequently Asked Questions about P124D 2014 Chevrolet Silverado Code
1. What does the OBDII code P124D mean on a 2014 Chevrolet Silverado?
The code P124D indicates that the Injector 6 Positive Voltage Control Circuit is shorted to the control circuit, meaning there’s an electrical issue affecting fuel injector operation.
2. What are the common symptoms of a P124D code?
Symptoms include poor engine performance, misfires, rough idling, reduced fuel efficiency, and potentially an illuminated check engine light.
3. What causes the P124D code to appear?
The code can be caused by wiring issues, such as short circuits or damaged harnesses, a faulty injector, or a malfunctioning engine control module (ECM).
4. How can I diagnose the P124D code on my Silverado?
Start by inspecting the wiring and connectors for Injector 6, checking for shorts, corrosion, or damage. Use a multimeter to test the circuit and verify the injector’s functionality.
5. Can a faulty fuel injector trigger the P124D code?
Yes, a faulty or internally shorted fuel injector can cause this code by disrupting the electrical flow in the injector circuit.
6. Is it safe to drive with a P124D code?
Driving with this code is not recommended, as it can lead to engine misfires, reduced power, and potential long-term engine damage.
7. How do I fix the P124D code on a 2014 Chevrolet Silverado?
Repairs may involve replacing damaged wiring, repairing or replacing the injector, or addressing issues with the ECM if it’s malfunctioning.
8. Can a bad ECM cause the P124D code?
Yes, a failing ECM can mismanage the injector control circuit and trigger this code, though it’s less common than wiring or injector issues.
9. What tools are needed to troubleshoot the P124D code?
You’ll need an OBDII scanner, a multimeter, and possibly a wiring diagram for the vehicle to trace the injector circuit.
10. How much does it cost to fix a P124D code?
Costs vary depending on the issue, but replacing a fuel injector can range from $200 to $500, while wiring repairs may cost less. ECM replacement could be significantly more expensive.
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