P124A 2015 Chevrolet Silverado Code - Injector 3 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 3, Fuel Injector 3 harness is open or shorted, Fuel Injector 3 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
- P124A 2015 Chevrolet Silverado indicates Injector 3 Positive Voltage Control Circuit Shorted to Control Circuit.
- Common causes
- Common causes include Faulty Fuel Injector 3, Fuel Injector 3 harness is open or shorted, Fuel Injector 3 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 P124A 2015 Chevrolet Silverado Description
What are the Possible Causes of the DTC P124A 2015 Chevrolet Silverado?
- Faulty Fuel Injector 3
- Fuel Injector 3 harness is open or shorted
- Fuel Injector 3 circuit poor electrical connection
- Faulty Engine Control Module (ECM)
How to Fix the DTC P124A 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 P124A 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 P124A 2015 Chevrolet Silverado Code
What does OBDII code P124A mean on a 2015 Chevrolet Silverado?
P124A indicates that there is a short between the positive voltage control circuit and the control circuit for injector 3.
What are the common symptoms of code P124A?
Symptoms may include rough idling, poor engine performance, misfires, reduced fuel efficiency, or the check engine light turning on.
What causes the P124A code on a 2015 Chevrolet Silverado?
Common causes include damaged or shorted wiring, a faulty fuel injector, a malfunctioning engine control module (ECM), or corrosion in the electrical connectors.
Can I drive my 2015 Chevrolet Silverado with the P124A code?
Driving with this code is not recommended, as it can lead to poor engine performance and potential damage to other components if not addressed.
How do I diagnose the P124A code?
Start by inspecting the wiring and connectors for injector 3, checking for shorts, damage, or corrosion. If no issues are found, test the fuel injector and the ECM for proper operation.
How do I fix the P124A code on my Silverado?
Repairs may involve replacing damaged wiring, cleaning or replacing corroded connectors, replacing the faulty injector, or reprogramming or replacing the ECM if needed.
How much does it cost to repair a P124A code?
Repair costs can vary but may range from $100 for minor wiring repairs to $500-$800 if the injector or ECM needs replacement.
Can a faulty injector cause the P124A code?
Yes, a faulty injector can cause this code if it has an internal short or is not functioning properly.
Will clearing the code fix the problem?
Clearing the code without fixing the underlying issue will not resolve the problem. The code will likely return until the root cause is addressed.
Can a P124A code cause long-term damage to my truck?
Yes, if left unresolved, it can lead to further engine performance issues and potential damage to other components, such as the catalytic converter.
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