P2147 Chevrolet Code - Cylinder 1 Injector High Control Circuit Low Voltage
Quick Answer
The Engine Control Module (ECM) supplies voltage to each fuel injector on the high control circuits. Common causes include Faulty Fuel Injector 1, Fuel Injector 1 harness is open or shorted, Fuel Injector 1 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
- P2147 Chevrolet indicates Cylinder 1 Injector High Control Circuit Low Voltage.
- Common causes
- Common causes include Faulty Fuel Injector 1, Fuel Injector 1 harness is open or shorted, Fuel Injector 1 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 P2147 Chevrolet Description
What are the Possible Causes of the DTC P2147 Chevrolet?
- Faulty Fuel Injector 1
- Fuel Injector 1 harness is open or shorted
- Fuel Injector 1 circuit poor electrical connection
- Faulty Engine Control Module (ECM)
How to Fix the DTC P2147 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 P2147 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
- P2147 2014 Chevrolet Silverado — Cylinder 1 Injector High Control Circuit Low Voltage
- P2147 2015 Chevrolet Silverado — Cylinder 1 Injector High Control Circuit Low Voltage
- P2147 2016 Chevrolet Silverado — Cylinder 1 Injector High Control Circuit Low Voltage
- P2147 2017 Chevrolet Silverado — Cylinder 1 Injector High Control Circuit Low Voltage
- P2147 2018 Chevrolet Silverado — Cylinder 1 Injector High Control Circuit Low Voltage
Frequently Asked Questions about P2147 Chevrolet Code
1. What are the common symptoms of OBDII code P2147 in a Chevrolet related to Cylinder 1 Injector High Control Circuit Low Voltage?
The common symptoms include engine misfires, rough idling, poor acceleration, and potentially a noticeable decrease in fuel efficiency.
2. What are the possible causes of OBDII code P2147 in a Chevrolet indicating Cylinder 1 Injector High Control Circuit Low Voltage?
The code may be triggered by issues such as a faulty fuel injector, a wiring harness problem, a defective engine control module (ECM), or poor electrical connections.
3. How can I diagnose the cause of OBDII code P2147 in a Chevrolet pointing to Cylinder 1 Injector High Control Circuit Low Voltage?
Diagnosing the issue typically involves checking the electrical connections, testing the fuel injector, inspecting the wiring harness for any damage, and scanning the ECM for any related fault codes.
4. What are some repair tips for fixing OBDII code P2147 in a Chevrolet related to Cylinder 1 Injector High Control Circuit Low Voltage?
Repair tips may include replacing the faulty fuel injector, repairing or replacing damaged wiring, ensuring all electrical connections are secure, and resetting the ECM after completing the repairs.
5. Is it safe to continue driving with OBDII code P2147 in a Chevrolet indicating Cylinder 1 Injector High Control Circuit Low Voltage?
It is generally not recommended to continue driving with this code present, as it can lead to further engine performance issues and potential damage. It's best to address the problem promptly.
6. Can a DIY enthusiast fix OBDII code P2147 in a Chevrolet related to Cylinder 1 Injector High Control Circuit Low Voltage?
While some DIY enthusiasts may be able to diagnose and repair this issue, it's important to have the necessary knowledge, tools, and experience to work on the fuel system and electrical components safely.
7. How much does it typically cost to repair OBDII code P2147 in a Chevrolet indicating Cylinder 1 Injector High Control Circuit Low Voltage?
The cost of repairs can vary depending on the underlying cause, but it may involve expenses such as the price of a new fuel injector, wiring repairs, labor costs, and potentially diagnostic fees.
8. Will resetting the OBDII code P2147 in a Chevrolet related to Cylinder 1 Injector High Control Circuit Low Voltage make it go away permanently?
Resetting the code may temporarily clear it, but if the underlying issue is not addressed, the code is likely to reappear once the ECM detects the problem again.
9. Are there any preventive measures to avoid OBDII code P2147 in a Chevrolet indicating Cylinder 1 Injector High Control Circuit Low Voltage in the future?
Regularly maintaining your vehicle, checking for any signs of fuel system or wiring problems, and promptly addressing any engine performance issues can help prevent this code from occurring.
10. How urgent is it to address OBDII code P2147 in a Chevrolet related to Cylinder 1 Injector High Control Circuit Low Voltage?
It is advisable to address this code as soon as possible to prevent potential engine damage and ensure optimal performance. Delaying repairs can lead to more severe issues down the line.
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