P023F 2017 GMC Sierra Code - Fuel Pump Control Circuit
Quick Answer
The Engine Control Module (ECM) supplies voltage to the fuel pump driver control module when the ECM detects that the ignition is on. Common causes include Faulty Fuel Pump, Fuel Pump harness is open or shorted, Fuel Pump 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
- P023F 2017 GMC Sierra indicates Fuel Pump Control Circuit.
- Common causes
- Common causes include Faulty Fuel Pump, Fuel Pump harness is open or shorted, Fuel Pump 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 P023F 2017 GMC Sierra Description
What are the Possible Causes of the DTC P023F 2017 GMC Sierra?
- Faulty Fuel Pump
- Fuel Pump harness is open or shorted
- Fuel Pump circuit poor electrical connection
- Faulty Fuel Pump Driver Control Module
How to Fix the DTC P023F 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 P023F 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 P023F 2017 GMC Sierra code?
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Frequently Asked Questions about P023F 2017 GMC Sierra Code
1. What does the OBDII code P023F mean on a 2017 GMC Sierra?
P023F indicates a malfunction in the fuel pump control circuit, which means the vehicle's computer has detected an issue with the electrical signals sent to or from the fuel pump.
2. What are the common symptoms of code P023F in a 2017 GMC Sierra?
Symptoms may include difficulty starting, engine stalling, poor fuel efficiency, reduced power, or an illuminated Check Engine Light.
3. What causes the P023F code on a GMC Sierra?
Common causes include a faulty fuel pump, damaged wiring or connectors in the fuel pump circuit, a failing fuel pump control module, or a problem with the engine control module (ECM).
4. Can you drive with the P023F code on a 2017 GMC Sierra?
While the vehicle may still run, driving with this code can lead to performance issues or further damage to the fuel system. It's best to address the issue promptly.
5. How do you diagnose the P023F code on a 2017 GMC Sierra?
Diagnosis involves using an OBDII scanner to retrieve the code, visually inspecting wiring and connectors, testing the fuel pump and control module, and checking for proper voltage and ground signals.
6. What repairs are needed to fix code P023F on a 2017 GMC Sierra?
Repairs may include replacing a faulty fuel pump, repairing damaged wiring or connectors, replacing the fuel pump control module, or reprogramming the ECM if necessary.
7. How much does it cost to fix the P023F code on a GMC Sierra?
Repair costs vary but may range from $100 for wiring repairs to $600 or more if the fuel pump or control module requires replacement.
8. Can a dirty fuel filter cause the P023F code?
A dirty fuel filter is unlikely to directly trigger P023F, but it can cause fuel delivery issues that might mimic similar symptoms.
9. Will clearing the P023F code fix the problem?
Clearing the code without addressing the root cause will not fix the problem, and the code is likely to return.
10. Does the P023F code affect fuel efficiency in a 2017 GMC Sierra?
Yes, a malfunctioning fuel pump control circuit can negatively impact fuel efficiency and engine performance.
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