P2147 2017 GMC Sierra Code - Cylinder 1 Injector High Control Circuit Low Voltage
Quick Answer
The P2147 diagnostic trouble code (DTC) for a 2017 GMC Sierra indicates an issue with the Cylinder 1 Injector High Control Circuit Low Voltage. Common causes include Faulty fuel injector, Damaged wiring harness or connector, Issues with the engine control module (ECM). 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
- P2147 2017 GMC Sierra indicates Cylinder 1 Injector High Control Circuit Low Voltage.
- Common causes
- Common causes include Faulty fuel injector, Damaged wiring harness or connector, Issues with the engine control module (ECM).
- 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.
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Code P2147 2017 GMC Sierra Description
The P2147 diagnostic trouble code (DTC) for a 2017 GMC Sierra indicates an issue with the Cylinder 1 Injector High Control Circuit Low Voltage. This code is specifically related to the fuel injector for cylinder 1 in the engine. The fuel injector is responsible for delivering the precise amount of fuel into the combustion chamber at the right time for optimal engine performance. When the control circuit for the fuel injector is experiencing low voltage, it can lead to a variety of issues that can impact the vehicle's performance.
Common Causes of P2147 2017 GMC Sierra
- Faulty fuel injector
- Damaged wiring harness or connector
- Issues with the engine control module (ECM)
- Power supply issues to the fuel injector
- Corrosion or poor connections in the circuit
Symptoms of P2147 2017 GMC Sierra
- Engine misfires
- Rough idling
- Decreased engine performance
- Engine stalling
- Increased fuel consumption
How to Fix P2147 2017 GMC Sierra
- Diagnose the specific cause of the low voltage issue, such as testing the fuel injector, wiring harness, connector, and power supply.
- Replace the faulty fuel injector if necessary.
- Repair or replace any damaged wiring harness or connector.
- Check and repair any issues with the engine control module (ECM).
- Clear the DTC and test drive the vehicle to ensure the issue has been resolved.
Cost to Fix P2147 2017 GMC Sierra
The cost of repairing a P2147 code on a 2017 GMC Sierra can vary depending on the specific cause of the issue and the labor rates in your area. Typically, the cost of replacing a fuel injector can range from $150 to $300 per injector, not including labor costs. The total cost of the repair, including parts and labor, could range from $300 to $600 or more. It's important to consult with a qualified mechanic or auto repair shop to get an accurate estimate based on your vehicle's specific needs and location. Labor rates at auto repair shops can vary, but generally fall between $80 and $150 per hour.
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Frequently Asked Questions about P2147 2017 GMC Sierra Code
1. What are the common symptoms of OBDII code P2147 in a 2017 GMC Sierra?
- Common symptoms include rough idling, engine misfires, poor acceleration, and potentially an illuminated Check Engine light.
2. What does the OBDII code P2147 on a 2017 GMC Sierra indicate?
- OBDII code P2147 indicates a fault in the Cylinder 1 Injector High Control Circuit, specifically low voltage.
3. What are the possible causes of OBDII code P2147 in a 2017 GMC Sierra?
- Possible causes include a faulty fuel injector, wiring issues in the injector circuit, a defective Engine Control Module (ECM), or poor electrical connections.
4. How can I diagnose the cause of OBDII code P2147 in my 2017 GMC Sierra?
- Diagnosis typically involves inspecting the cylinder 1 injector, testing the wiring and connections in the control circuit, and using a scan tool to verify the fault.
5. Can driving with OBDII code P2147 in a 2017 GMC Sierra cause further damage?
- Continuing to drive with this code may lead to poor engine performance, decreased fuel efficiency, and potential damage to the catalytic converter over time.
6. How can I repair OBDII code P2147 in my 2017 GMC Sierra?
- Repair options include replacing the faulty fuel injector, repairing any damaged wiring or connections, or reprogramming the ECM if needed.
7. Is it safe to reset the Check Engine light after fixing OBDII code P2147 in a 2017 GMC Sierra?
- Yes, once the issue causing the fault code has been resolved, it is safe to reset the Check Engine light using an OBDII scanner.
8. How much does it typically cost to repair OBDII code P2147 in a 2017 GMC Sierra?
- Repair costs can vary depending on the exact cause of the issue, but expect to pay for parts and labor, with potential costs ranging from $200 to $500 or more.
9. Can a DIY enthusiast fix OBDII code P2147 in a 2017 GMC Sierra?
- Depending on your mechanical skills and access to tools, some DIY enthusiasts may be able to diagnose and repair this issue themselves, especially if it involves simple tasks like checking connections.
10. How long can I safely drive with OBDII code P2147 in my 2017 GMC Sierra before getting it repaired?
- It is recommended to address the issue promptly to prevent potential engine damage and ensure optimal performance. Driving with the fault code for an extended period is not advisable.
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