P2C04
Fuel Pressure Regulator D Control Circuit High
P2C04 is an OBD-II diagnostic trouble code meaning: Fuel Pressure Regulator D Control Circuit High. Common causes: malfunction of fuel pressure regulator d, open or short circuit in control circuit. Estimated repair cost: $17–56.
Symptoms
- Unstable engine operation
- Increased fuel consumption
- Difficulty starting the engine
- Power Loss
- Check Engine Light Is On
Causes
- Malfunction of fuel pressure regulator D
- Open or short circuit in control circuit
- Wiring Harness Problems
- Engine control unit (ECU) malfunction
- Contact corrosion
How to Fix
- Check the integrity of the fuel pressure regulator control circuit D
- Check the resistance of the fuel pressure regulator D
- Inspect the wiring harness for damage
- Check contacts and connectors for corrosion
- If necessary, replace fuel pressure regulator D
Related codes
Error P2C04 by Vehicle Brand
FAQ
What does the P2C04 code mean?
P2C04 is an OBD-II diagnostic trouble code that indicates: Fuel Pressure Regulator D Control Circuit High
What causes a P2C04 error code?
The most common causes of P2C04 include: Malfunction of fuel pressure regulator D; Open or short circuit in control circuit; Wiring Harness Problems; Engine control unit (ECU) malfunction.
How do I fix a P2C04 diagnostic trouble code?
To fix P2C04: Check the integrity of the fuel pressure regulator control circuit D. Check the resistance of the fuel pressure regulator D. Inspect the wiring harness for damage. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P2C04?
Yes, but get it checked soon
How much does it cost to fix P2C04?
The estimated repair cost for P2C04 is $17–56. Actual cost depends on your vehicle, location, and labor rates.
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