P00C9
Fuel Pressure Regulator A Solenoid Supply Voltage Control Circuit Low
P00C9 is an OBD-II diagnostic trouble code meaning: Fuel Pressure Regulator A Solenoid Supply Voltage Control Circuit Low. Common causes: open or short circuit in solenoid control circuit, fuel pressure regulator solenoid malfunction. Estimated repair cost: $56–167.
Symptoms
- Unstable engine operation
- Power Loss
- Increased fuel consumption
- Difficulty starting the engine
Causes
- Open or short circuit in solenoid control circuit
- Fuel pressure regulator solenoid malfunction
- Problems with the ECU
- Poor contact in circuit connectors
How to Fix
- Check the continuity and resistance of the solenoid control circuit
- Check the functionality of the fuel pressure regulator solenoid
- Inspect connectors and contacts for corrosion or damage
- If necessary, replace the solenoid or repair the circuit.
Related codes
Error P00C9 by Vehicle Brand
FAQ
What does the P00C9 code mean?
P00C9 is an OBD-II diagnostic trouble code that indicates: Fuel Pressure Regulator A Solenoid Supply Voltage Control Circuit Low
What causes a P00C9 error code?
The most common causes of P00C9 include: Open or short circuit in solenoid control circuit; Fuel pressure regulator solenoid malfunction; Problems with the ECU; Poor contact in circuit connectors.
How do I fix a P00C9 diagnostic trouble code?
To fix P00C9: Check the continuity and resistance of the solenoid control circuit. Check the functionality of the fuel pressure regulator solenoid. Inspect connectors and contacts for corrosion or damage. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P00C9?
Limited driving only, diagnose soon
How much does it cost to fix P00C9?
The estimated repair cost for P00C9 is $56–167. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat