P023F — Fuel Pump Secondary Circuit/Open

What Does P023F Mean?

P023F is a diagnostic trouble code indicating: Fuel Pump Secondary Circuit/Open. This code relates to the fuel injection system. The vehicle's computer detected a condition outside normal operating parameters and stored this code.

Symptoms of P023F

⚠️ Check Engine Light (MIL) illuminated
⚠️ Erratic Fuel Pump Secondary readings
⚠️ Related system operating intermittently
⚠️ Engine hesitation or stumble

Common Causes

🔍 Wiring issue in Fuel Pump Secondary circuit (damaged, chafed, or corroded)
🔍 Faulty Fuel Pump Secondary connector or terminal
🔍 Failed Fuel Pump Secondary
🔍 ECM/PCM connection issue

Frequently Asked Questions

What does P023F mean?

P023F indicates: Fuel Pump Secondary Circuit/Open. The vehicle's computer has detected that the Fuel Pump Secondary is not operating within its expected parameters and stored this diagnostic trouble code.

Can I drive with code P023F?

You can drive short distances for essential trips, but schedule a diagnosis soon. Driving with P023F for extended periods may cause additional problems.

How much does it cost to fix P023F?

Repair costs for P023F typically range from $80 to $300, depending on the root cause. Simple wiring or connector repairs are on the lower end, while component replacement costs more. A proper diagnosis ($80–$150 at most shops) will identify the exact cause before committing to expensive parts.

What To Do Next

Possible Fixes

🔧 Inspect and repair Fuel Pump Secondary wiring and connectors
🔧 Replace faulty Fuel Pump Secondary

1
Find your vehicle above
Click your make and model for real owner reports and common causes specific to your vehicle.
2
Check for recalls
Go to nhtsa.gov/recalls and enter your VIN. Free repairs if covered.
3
Get a professional diagnosis
A code alone doesn't identify the exact failed part. A diagnostic ($50–$150) pinpoints the root cause.

P023F: Fuel Pump Secondary Circuit/Open