P124C 2015 Chevrolet Silverado Code - Injector 5 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 5, Fuel Injector 5 harness is open or shorted, Fuel Injector 5 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
- P124C 2015 Chevrolet Silverado indicates Injector 5 Positive Voltage Control Circuit Shorted to Control Circuit.
- Common causes
- Common causes include Faulty Fuel Injector 5, Fuel Injector 5 harness is open or shorted, Fuel Injector 5 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 P124C 2015 Chevrolet Silverado Description
What are the Possible Causes of the DTC P124C 2015 Chevrolet Silverado?
- Faulty Fuel Injector 5
- Fuel Injector 5 harness is open or shorted
- Fuel Injector 5 circuit poor electrical connection
- Faulty Engine Control Module (ECM)
How to Fix the DTC P124C 2015 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 P124C 2015 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 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
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