P2C02 — Fuel Pressure Regulator D Control Circuit/Open

What Does P2C02 Mean?

P2C02 is a diagnostic trouble code indicating: Fuel Pressure Regulator D Control Circuit/Open. This code relates to the vehicle systems system. The vehicle's computer detected a condition outside normal operating parameters and stored this code.

Symptoms of P2C02

⚠️ Check Engine Light (MIL) illuminated
⚠️ Erratic Fuel Pressure Regulator D readings
⚠️ Related system operating intermittently
⚠️ System warning light illuminated

Common Causes

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

Frequently Asked Questions

What does P2C02 mean?

P2C02 indicates: Fuel Pressure Regulator D Control Circuit/Open. The vehicle's computer has detected that the Fuel Pressure Regulator D is not operating within its expected parameters and stored this diagnostic trouble code.

Can I drive with code P2C02?

You can drive short distances for essential trips, but schedule a diagnosis soon. Driving with P2C02 for extended periods may cause additional problems.

How much does it cost to fix P2C02?

Repair costs for P2C02 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 Pressure Regulator D wiring and connectors
🔧 Replace faulty Fuel Pressure Regulator D

1
Find your vehicle above
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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.

P2C02: Fuel Pressure Regulator D Control Circuit/Open