P00CB — Fuel Volume Regulator Solenoid Supply Voltage Control Circuit/Open

What Does P00CB Mean?

P00CB is a diagnostic trouble code indicating: Fuel Volume Regulator Solenoid Supply Voltage Control Circuit/Open. This code relates to the fuel and air metering system. The vehicle's computer detected a condition outside normal operating parameters and stored this code.

Symptoms of P00CB

⚠️ Check Engine Light (MIL) illuminated
⚠️ Erratic Fuel Volume Regulator Solenoid Supply Voltage readings
⚠️ Related system operating intermittently
⚠️ Poor fuel economy

Common Causes

🔍 Wiring issue in Fuel Volume Regulator Solenoid Supply Voltage circuit (damaged, chafed, or corroded)
🔍 Faulty Fuel Volume Regulator Solenoid Supply Voltage connector or terminal
🔍 Failed Fuel Volume Regulator Solenoid Supply Voltage
🔍 ECM/PCM connection issue

Frequently Asked Questions

What does P00CB mean?

P00CB indicates: Fuel Volume Regulator Solenoid Supply Voltage Control Circuit/Open. The vehicle's computer has detected that the Fuel Volume Regulator Solenoid Supply Voltage is not operating within its expected parameters and stored this diagnostic trouble code.

Can I drive with code P00CB?

You can drive short distances for essential trips, but schedule a diagnosis soon. Driving with P00CB for extended periods may cause additional problems.

How much does it cost to fix P00CB?

Repair costs for P00CB 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 Volume Regulator Solenoid Supply Voltage wiring and connectors
🔧 Replace faulty Fuel Volume Regulator Solenoid Supply Voltage

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.

P00CB: Fuel Volume Regulator Solenoid Supply Voltage Control Circuit/Open