P124B 2014 GMC Sierra Code - Injector 4 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 4, Fuel Injector 4 harness is open or shorted, Fuel Injector 4 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
- P124B 2014 GMC Sierra indicates Injector 4 Positive Voltage Control Circuit Shorted to Control Circuit.
- Common causes
- Common causes include Faulty Fuel Injector 4, Fuel Injector 4 harness is open or shorted, Fuel Injector 4 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 P124B 2014 GMC Sierra Description
What are the Possible Causes of the DTC P124B 2014 GMC Sierra?
- Faulty Fuel Injector 4
- Fuel Injector 4 harness is open or shorted
- Fuel Injector 4 circuit poor electrical connection
- Faulty Engine Control Module (ECM)
How to Fix the DTC P124B 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 P124B 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 P124B 2014 GMC Sierra Code
1. What are the common symptoms of OBDII code P124B in a 2014 GMC Sierra related to Injector 4 Positive Voltage Control Circuit Shorted to Control Circuit?
- Common symptoms include rough idling, engine misfires, poor acceleration, and potential engine stalling.
2. What are the possible causes of OBDII code P124B in a 2014 GMC Sierra?
- The code P124B can be triggered by issues such as damaged wiring, faulty fuel injector, corroded connectors, or a short circuit in the control circuit.
3. How can I diagnose the Injector 4 Positive Voltage Control Circuit Shorted to Control Circuit issue in a 2014 GMC Sierra?
- To diagnose the problem, you can use a scan tool to read the OBDII code, visually inspect the wiring and connectors, perform continuity tests, and check the fuel injector for proper functioning.
4. Can I continue driving my 2014 GMC Sierra with OBDII code P124B related to Injector 4 issue?
- It is not recommended to drive the vehicle with this code as it may lead to further damage to the engine components. It is best to address the issue promptly.
5. How can I repair the Injector 4 Positive Voltage Control Circuit Shorted to Control Circuit problem in my 2014 GMC Sierra?
- Repairing the issue involves fixing the damaged wiring, replacing the faulty fuel injector, cleaning or replacing corroded connectors, and ensuring there are no short circuits in the control circuit.
6. Is it possible to clear the OBDII code P124B in a 2014 GMC Sierra without fixing the underlying issue?
- While you can clear the code temporarily, it is crucial to address the root cause of the problem to prevent the code from reappearing and causing further issues.
7. Can a DIY enthusiast fix the Injector 4 Positive Voltage Control Circuit Shorted to Control Circuit problem in a 2014 GMC Sierra?
- Depending on your skill level and experience with automotive repairs, you may be able to address the issue yourself by following repair guides and using the necessary tools.
8. How much does it typically cost to repair OBDII code P124B related to Injector 4 issue in a 2014 GMC Sierra?
- The cost of repairs can vary based on the extent of the damage and whether you do the repairs yourself or take the vehicle to a professional mechanic. It may range from a few hundred to over a thousand dollars.
9. Will fixing the Injector 4 Positive Voltage Control Circuit Shorted to Control Circuit problem improve the performance of my 2014 GMC Sierra?
- Yes, addressing this issue can help restore the proper functioning of the fuel injector, leading to improved engine performance, fuel efficiency, and overall drivability of your vehicle.
10. How often does the OBDII code P124B related to Injector 4 issue occur in a 2014 GMC Sierra?
- While the occurrence of this specific code may vary, it is essential to address it promptly to prevent any potential damage to the engine and ensure the smooth operation of your vehicle.
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