P124B Chevrolet 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 Chevrolet 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 Chevrolet Description
What are the Possible Causes of the DTC P124B Chevrolet?
- 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 Chevrolet?
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 Chevrolet 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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Information for Specific Chevrolet Models
- P124B 2014 Chevrolet Silverado — Injector 4 Positive Voltage Control Circuit Shorted to Control Circuit
- P124B 2015 Chevrolet Silverado — Injector 4 Positive Voltage Control Circuit Shorted to Control Circuit
- P124B 2016 Chevrolet Silverado — Injector 4 Positive Voltage Control Circuit Shorted to Control Circuit
- P124B 2017 Chevrolet Silverado — Injector 4 Positive Voltage Control Circuit Shorted to Control Circuit
- P124B 2018 Chevrolet Silverado — Injector 4 Positive Voltage Control Circuit Shorted to Control Circuit
Frequently Asked Questions about P124B Chevrolet Code
1. What are the common symptoms of OBDII code P124B in a Chevrolet related to Injector 4 Positive Voltage Control Circuit?
- Common symptoms include rough idling, engine misfires, decreased fuel efficiency, and potentially stalling.
2. What are the possible causes of OBDII code P124B in a Chevrolet indicating Injector 4 Positive Voltage Control Circuit shorted to Control Circuit?
- Possible causes may include a short circuit in the wiring, a faulty fuel injector, a damaged ECM, or poor electrical connections.
3. How can I diagnose OBDII code P124B related to Injector 4 in a Chevrolet?
- Diagnosis typically involves checking the wiring for continuity, inspecting the fuel injector for proper operation, and using a diagnostic scan tool to analyze live data.
4. Can I continue driving my Chevrolet with OBDII code P124B present?
- It is not recommended to drive the vehicle with code P124B as it can lead to further engine damage or performance issues. It's best to address the issue promptly.
5. Are there any DIY repair tips for fixing OBDII code P124B in a Chevrolet?
- DIY repairs may include checking and repairing damaged wiring, replacing the faulty fuel injector, or cleaning and securing electrical connections.
6. How much does it typically cost to repair OBDII code P124B in a Chevrolet at a professional mechanic or dealership?
- Repair costs can vary depending on the exact cause of the issue but may range from $150 to $500, including parts and labor.
7. Is it possible to reset the OBDII code P124B in a Chevrolet after repairs have been made?
- Yes, the code can be cleared using an OBDII scanner after the underlying issue has been fixed. This will reset the check engine light.
8. Are there any recalls or technical service bulletins related to OBDII code P124B in Chevrolet vehicles?
- It's recommended to check with a Chevrolet dealership or online resources for any recalls or technical service bulletins specific to your vehicle model and year.
9. How urgent is it to address OBDII code P124B in a Chevrolet?
- It is advisable to address the issue promptly to prevent further damage to the engine and ensure optimal vehicle performance and fuel efficiency.
10. Can a faulty O2 sensor cause OBDII code P124B in a Chevrolet?
- While a faulty O2 sensor is not typically a direct cause of code P124B, it can contribute to related issues and should be checked if troubleshooting multiple codes or symptoms.
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