P1249 2017 GMC Sierra 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 2017 GMC Sierra 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 2017 GMC Sierra Description
What are the Possible Causes of the DTC P1249 2017 GMC Sierra?
- 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 2017 GMC Sierra?
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 2017 GMC Sierra 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.
Need more information about the P1249 2017 GMC Sierra code?
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Frequently Asked Questions about P1249 2017 GMC Sierra Code
1. What are the common symptoms of OBDII code P1249 in a 2017 GMC Sierra?
The common symptoms of code P1249 include engine misfires, rough idling, loss of power, and the illumination of the check engine light.
2. What does the OBDII code P1249 "Injector 2 Positive Voltage Control Circuit Shorted to Control Circuit" mean?
This code indicates that there is a short circuit between the positive voltage control circuit and the control circuit of Injector 2 in the GMC Sierra's fuel injection system.
3. What are the possible causes of OBDII code P1249 in a 2017 GMC Sierra?
Possible causes of code P1249 include a faulty fuel injector, damaged wiring or connectors, a short circuit in the injector circuit, or a problem with the Engine Control Module (ECM).
4. How can I diagnose the OBDII code P1249 in my 2017 GMC Sierra?
Diagnosing code P1249 involves inspecting the wiring and connectors related to Injector 2, testing the fuel injector itself, and checking for any visible signs of damage or shorts in the circuit.
5. Is it safe to drive my GMC Sierra with OBDII code P1249?
It is not recommended to drive your vehicle with code P1249, as the issue can lead to engine performance problems and potential damage if left unresolved.
6. Can I repair OBDII code P1249 in my 2017 GMC Sierra myself?
Depending on your mechanical skills, you may be able to repair code P1249 yourself by identifying and fixing the short circuit, replacing the faulty injector, or repairing damaged wiring. If unsure, it's best to seek professional help.
7. How much does it cost to fix OBDII code P1249 in a 2017 GMC Sierra?
The cost of repairing code P1249 can vary depending on the exact cause of the issue, the parts needed for repair, and whether you do the work yourself or hire a professional mechanic. It's best to get a diagnostic and repair estimate from a trusted mechanic.
8. Can OBDII code P1249 cause any further damage to my 2017 GMC Sierra if not addressed promptly?
Ignoring code P1249 can lead to poor engine performance, decreased fuel efficiency, potential damage to other engine components, and increased emissions. It's important to address the issue promptly.
9. How long does it typically take to repair OBDII code P1249 in a 2017 GMC Sierra?
The repair time for code P1249 can vary depending on the specific cause of the issue, the availability of parts, and the expertise of the person performing the repairs. It's advisable to consult a mechanic for a more accurate estimate of repair time.
10. Can a faulty PCM (Powertrain Control Module) cause OBDII code P1249 in a 2017 GMC Sierra?
Yes, a faulty PCM can potentially cause code P1249 if it is not properly controlling the voltage to Injector 2. It is recommended to have the PCM inspected and tested if other common causes have been ruled out.
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