OBD Guide

P00CA

Fuel Pressure Regulator A Solenoid Supply Voltage Control Circuit High

P00CA is an OBD-II diagnostic trouble code meaning: Fuel Pressure Regulator A Solenoid Supply Voltage Control Circuit High. Common causes: fuel pressure regulator solenoid malfunction, open or short circuit in wiring harness. Estimated repair cost: $56–167.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$56–167 (est.)

Symptoms

  • Unstable engine operation
  • Increased fuel consumption
  • Power Loss
  • Difficulty starting the engine

Causes

  • Fuel pressure regulator solenoid malfunction
  • Open or short circuit in wiring harness
  • Problems with the ECU
  • Contact corrosion

How to Fix

  1. Check the condition of the wiring harness and contacts
  2. Test fuel pressure regulator solenoid
  3. Check control circuit voltage
  4. Replace solenoid or wiring harness if necessary

Related codes

Error P00CA by Vehicle Brand

FAQ

What does the P00CA code mean?

P00CA is an OBD-II diagnostic trouble code that indicates: Fuel Pressure Regulator A Solenoid Supply Voltage Control Circuit High

What causes a P00CA error code?

The most common causes of P00CA include: Fuel pressure regulator solenoid malfunction; Open or short circuit in wiring harness; Problems with the ECU; Contact corrosion.

How do I fix a P00CA diagnostic trouble code?

To fix P00CA: Check the condition of the wiring harness and contacts. Test fuel pressure regulator solenoid. Check control circuit voltage. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P00CA?

Limited driving only, diagnose soon

How much does it cost to fix P00CA?

The estimated repair cost for P00CA is $56–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat