P124C 2015 Chevrolet Silverado Code - Injector 5 Positive Voltage Control Circuit Shorted to Control Circuit
Quick Answer
The P124C diagnostic trouble code (DTC) for a 2015 Chevrolet Silverado indicates that there is a short circuit between the control circuit and the positive voltage control circuit for injector 5. Common causes include Wiring harness damage or chafing, Faulty fuel injector, Corrosion in the electrical connectors. 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
- P124C 2015 Chevrolet Silverado indicates Injector 5 Positive Voltage Control Circuit Shorted to Control Circuit.
- Common causes
- Common causes include Wiring harness damage or chafing, Faulty fuel injector, Corrosion in the electrical connectors.
- 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.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.
Code P124C 2015 Chevrolet Silverado Description
The P124C diagnostic trouble code (DTC) for a 2015 Chevrolet Silverado indicates that there is a short circuit between the control circuit and the positive voltage control circuit for injector 5. This means that there is an issue with the electrical connection that controls the fuel injector for cylinder 5. When this circuit is shorted, it can disrupt the fuel delivery to that cylinder, leading to potential engine misfires, reduced performance, and decreased fuel efficiency. If left unaddressed, this issue could cause further damage to the engine and other components over time.
Common Causes of P124C 2015 Chevrolet Silverado
- Wiring harness damage or chafing
- Faulty fuel injector
- Corrosion in the electrical connectors
- Issues with the Engine Control Module (ECM)
- Short circuit due to water intrusion or debris
Symptoms of P124C 2015 Chevrolet Silverado
- Engine misfires or rough idling
- Reduced engine performance
- Decreased fuel efficiency
- Check engine light illuminated
- Engine stalling or hesitation
How to Fix P124C 2015 Chevrolet Silverado
- Begin by conducting a visual inspection of the wiring harness and connectors to check for any visible damage or corrosion.
- Use a multimeter to test the continuity and resistance of the wiring to identify the location of the short circuit.
- Inspect the fuel injector for any signs of damage or malfunction and replace if necessary.
- Repair or replace any damaged wiring or connectors as needed.
- Clear the DTC and perform a test drive to ensure the issue has been resolved.
Cost to Fix P124C 2015 Chevrolet Silverado
The typical repair costs for addressing a P124C code on a 2015 Chevrolet Silverado can range from $200 to $500, including parts and labor. However, actual costs may vary depending on the specific diagnosis time and labor rates at auto repair shops in your area. It is recommended to obtain quotes from multiple shops to compare prices and ensure a competitive rate.
Need more information about the P124C 2015 Chevrolet Silverado code?
Need more information on how to fix the P124C 2015 Chevrolet Silverado code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the P124C 2015 Chevrolet Silverado code diagnosed by a professional: Find a repair shop in your area
Frequently Asked Questions about P124C 2015 Chevrolet Silverado Code
What does OBDII code P124C mean for a 2015 Chevrolet Silverado?
P124C indicates that the Injector 5 Positive Voltage Control Circuit is shorted to the control circuit, usually caused by an electrical issue in the fuel injector wiring or a malfunctioning injector.
What are the common symptoms of code P124C in a 2015 Chevrolet Silverado?
Common symptoms include rough idling, misfires, reduced engine performance, poor fuel economy, and an illuminated check engine light.
What causes code P124C on a Chevrolet Silverado?
This code is often caused by damaged or corroded wiring, a faulty Injector 5, a short circuit in the injector harness, or a malfunctioning powertrain control module (PCM).
How do you diagnose code P124C?
Diagnosis involves visually inspecting the wiring and connectors for damage, testing the injector's resistance, checking for short circuits with a multimeter, and verifying PCM functionality.
Can I drive my Silverado with code P124C?
Driving with this code is not recommended, as it can lead to engine misfires, reduced performance, and potential engine damage if left unaddressed.
How can I fix code P124C on my 2015 Silverado?
Repairs may include replacing damaged wiring or connectors, repairing or replacing Injector 5, or in rare cases, replacing the PCM if it’s found to be defective.
What tools are needed to troubleshoot code P124C?
You’ll need a multimeter, an OBDII scanner, and possibly a wiring diagram for the injector circuit to accurately diagnose and repair the issue.
How much does it cost to fix code P124C on a 2015 Chevrolet Silverado?
Repair costs vary but typically range from $100–$300 for wiring repairs or injector replacement; PCM replacement can cost upwards of $500.
Can a dirty fuel injector cause code P124C?
No, this code specifically refers to an electrical short in the injector circuit, not a mechanical issue like clogging.
Does clearing the code with an OBDII scanner fix the problem?
Clearing the code will reset the check engine light but won’t resolve the underlying issue, which will likely trigger the code again.
Discuss the causes and fixes for P124C 2015 Chevrolet Silverado OBDII Code
Code P124C 2015 Chevrolet Silverado comments
No comments found for this page.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.