P1239 Chevrolet Code - Fuel Injector 6 Control Circuit Shorted
Quick Answer
The Engine Control Module (ECM) supplies voltage to each fuel injector on the injector positive voltage control 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
- P1239 Chevrolet indicates Fuel Injector 6 Control Circuit Shorted.
- 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 P1239 Chevrolet Description
What are the Possible Causes of the DTC P1239 Chevrolet?
- 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 P1239 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 P1239 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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Frequently Asked Questions about P1239 Chevrolet Code
1. What are the common symptoms of OBDII code P1239 (Fuel Injector 6 Control Circuit Shorted) in a Chevrolet vehicle?
The common symptoms include rough idling, engine misfires, poor fuel economy, and a noticeable decrease in engine performance.
2. What are the possible causes of the P1239 code in a Chevrolet related to the fuel injector control circuit?
Possible causes include a short circuit in the wiring of fuel injector 6, a faulty fuel injector, a defective Engine Control Module (ECM), or a poor electrical connection in the fuel injector circuit.
3. How can I diagnose the P1239 code in my Chevrolet related to a shorted fuel injector control circuit?
Diagnosing the code involves visually inspecting the wiring and connections related to fuel injector 6, using a multimeter to test for continuity and shorts, and potentially testing the fuel injector itself for proper operation.
4. Can driving with the P1239 code on my Chevrolet cause further damage to the vehicle?
Continuing to drive with the P1239 code may lead to decreased engine performance, increased fuel consumption, and potential damage to the catalytic converter or other engine components over time.
5. How can I repair the Fuel Injector 6 Control Circuit Shorted issue in my Chevrolet?
Repairing the issue involves fixing any damaged wiring or connections, replacing the faulty fuel injector if necessary, and ensuring that the ECM is functioning correctly. Clearing the error code and conducting a test drive to verify the repair is recommended.
6. Is it safe to continue driving my Chevrolet with the P1239 code if the engine seems to be running fine?
While the vehicle may seem to be running fine initially, it is advisable to address the P1239 code promptly to prevent any potential long-term damage to the engine or related components.
7. Can a DIY enthusiast fix the P1239 code issue in a Chevrolet, or is professional help necessary?
Depending on the individual's level of automotive knowledge and experience, a DIY enthusiast may be able to address the P1239 code by following repair guides and using the necessary tools. However, professional help is recommended if unsure about the diagnosis or repair process.
8. Will resetting the error code with a scanner solve the P1239 issue in a Chevrolet?
Simply resetting the error code with a scanner may temporarily turn off the check engine light, but it will not fix the underlying issue causing the P1239 code. Proper diagnosis and repair are necessary to resolve the problem permanently.
9. Are there any preventive maintenance tips to avoid encountering the P1239 code in a Chevrolet in the future?
Regularly inspecting the engine wiring harness, ensuring proper fuel injector operation, and keeping up with scheduled maintenance can help prevent issues like the P1239 code from occurring in a Chevrolet.
10. How long does it typically take to repair the Fuel Injector 6 Control Circuit Shorted issue in a Chevrolet at a professional repair shop?
The repair time can vary depending on the exact cause of the issue and the shop's workload. In general, diagnosing and repairing the P1239 code may take a few hours to half a day at a professional repair shop.
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