P1249 Chevrolet Code - Injector 2 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 2, Fuel Injector 2 harness is open or shorted, Fuel Injector 2 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
- P1249 Chevrolet indicates Injector 2 Positive Voltage Control Circuit Shorted to Control Circuit.
- Common causes
- Common causes include Faulty Fuel Injector 2, Fuel Injector 2 harness is open or shorted, Fuel Injector 2 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 P1249 Chevrolet Description
What are the Possible Causes of the DTC P1249 Chevrolet?
- Faulty Fuel Injector 2
- Fuel Injector 2 harness is open or shorted
- Fuel Injector 2 circuit poor electrical connection
- Faulty Engine Control Module (ECM)
How to Fix the DTC P1249 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 P1249 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
- P1249 2014 Chevrolet Silverado — Injector 2 Positive Voltage Control Circuit Shorted to Control Circuit
- P1249 2015 Chevrolet Silverado — Injector 2 Positive Voltage Control Circuit Shorted to Control Circuit
- P1249 2016 Chevrolet Silverado — Injector 2 Positive Voltage Control Circuit Shorted to Control Circuit
- P1249 2017 Chevrolet Silverado — Injector 2 Positive Voltage Control Circuit Shorted to Control Circuit
- P1249 2018 Chevrolet Silverado — Injector 2 Positive Voltage Control Circuit Shorted to Control Circuit
Frequently Asked Questions about P1249 Chevrolet Code
1. What are common symptoms of OBDII code P1249 on a Chevrolet related to the Injector 2 Positive Voltage Control Circuit?
- Common symptoms may include rough idling, engine misfires, poor acceleration, and potentially a decrease in fuel efficiency.
2. What causes the Injector 2 Positive Voltage Control Circuit to short to the control circuit in a Chevrolet?
- The most common causes of this issue are damaged wiring, faulty injector driver within the Engine Control Module (ECM), or a defective fuel injector.
3. How serious is the P1249 code related to Injector 2 in a Chevrolet?
- While the vehicle may still be drivable with this code, it is important to address the issue promptly to prevent further damage to the engine or emissions system.
4. Can driving with the P1249 code on a Chevrolet cause any long-term damage?
- Continuing to drive with this code may lead to decreased engine performance, potential damage to the catalytic converter, and increased emissions output.
5. How can I diagnose and repair the Injector 2 Positive Voltage Control Circuit issue on my Chevrolet with code P1249?
- Diagnosing and repairing this problem typically involves checking the wiring harness for damage, testing the fuel injector for proper function, and inspecting the ECM for any faults.
6. Will resetting the OBDII code P1249 on my Chevrolet make the issue go away?
- Resetting the code may temporarily clear the warning light, but it will not fix the underlying problem causing the Injector 2 Positive Voltage Control Circuit issue.
7. Is it safe to continue driving my Chevrolet with the P1249 code until I can have it repaired?
- It is generally not recommended to drive the vehicle for an extended period with this code active, as it can lead to poor performance and potential engine damage.
8. Can a DIY enthusiast with basic automotive knowledge fix the Injector 2 Positive Voltage Control Circuit issue on a Chevrolet?
- While some basic troubleshooting steps can be taken, diagnosing and repairing the root cause of this code may require specialized tools and expertise best handled by a professional mechanic.
9. How much can I expect to pay to have the Injector 2 Positive Voltage Control Circuit issue fixed on my Chevrolet?
- The cost of repairing this issue can vary depending on the extent of the damage and the specific repairs needed, but it may range from a few hundred to over a thousand dollars.
10. Are there any preventive measures I can take to avoid the Injector 2 Positive Voltage Control Circuit issue on my Chevrolet in the future?
- Regular maintenance, including checking and replacing worn wiring harnesses and fuel injectors, can help prevent issues like the P1249 code from occurring in the future.
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