P124D 2018 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 2018 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 2018 Chevrolet Silverado Description
What are the Possible Causes of the DTC P124D 2018 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 2018 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 2018 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 2018 Chevrolet Silverado Code
What does the OBDII code P124D mean on a 2018 Chevrolet Silverado?
P124D indicates an issue with Injector 6's positive voltage control circuit being shorted to its control circuit, potentially causing injector malfunctions.
What are the symptoms of code P124D in a 2018 Chevrolet Silverado?
Common symptoms include poor engine performance, rough idling, misfires, reduced fuel efficiency, and possibly the check engine light illuminating.
What causes the P124D code to appear?
Potential causes include damaged wiring or connectors for Injector 6, a faulty fuel injector, a short circuit, or a malfunctioning powertrain control module (PCM).
Can I drive my 2018 Silverado with a P124D code?
While the truck may still run, driving with a P124D code is not recommended as it can lead to further engine issues or damage due to improper injector operation.
How do I diagnose the P124D code?
Diagnose by visually inspecting Injector 6's wiring and connectors, testing for continuity or shorts in the circuit, and using a scan tool to monitor injector performance.
How can I fix the P124D code on my Silverado?
Repairs may include replacing damaged wiring or connectors, repairing short circuits, replacing the Injector 6, or reprogramming or replacing the PCM if necessary.
What tools are needed to troubleshoot P124D?
You’ll need a scan tool or OBDII reader, a multimeter to test wiring, and potentially specialized tools for injector removal and installation.
How much does it cost to fix a P124D code?
Repair costs vary, but replacing a fuel injector typically costs between $200 and $500, while wiring repairs or PCM replacements can increase the cost.
Can a dirty fuel injector cause the P124D code?
No, the P124D code specifically refers to an electrical issue in the circuit, not a clog or mechanical problem with the injector.
Will clearing the P124D code fix the issue?
Clearing the code may turn off the check engine light temporarily, but the underlying problem must be resolved to prevent the code from returning.
Discuss the causes and fixes for P124D 2018 Chevrolet Silverado OBDII Code
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