OBD Guide

P233D

Fuel Pressure Regulator B Solenoid Supply Voltage Control Circuit/Open

P233D is an OBD-II diagnostic trouble code meaning: Fuel Pressure Regulator B Solenoid Supply Voltage Control Circuit/Open. Common causes: open or short circuit in solenoid control circuit, fuel pressure regulator solenoid malfunction. Estimated repair cost: $17–56.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$17–56 (est.)

Symptoms

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

Causes

  • Open or short circuit in solenoid control circuit
  • Fuel pressure regulator solenoid malfunction
  • Poor contact in connectors
  • Engine control unit (ECU) malfunction

How to Fix

  1. Check the integrity of the wiring and connectors of the control circuit
  2. Measure the resistance of the fuel pressure regulator solenoid
  3. Check voltage on control circuit
  4. Replace fuel pressure regulator solenoid if necessary

Related codes

Error P233D by Vehicle Brand

FAQ

What does the P233D code mean?

P233D is an OBD-II diagnostic trouble code that indicates: Fuel Pressure Regulator B Solenoid Supply Voltage Control Circuit/Open

What causes a P233D error code?

The most common causes of P233D include: Open or short circuit in solenoid control circuit; Fuel pressure regulator solenoid malfunction; Poor contact in connectors; Engine control unit (ECU) malfunction.

How do I fix a P233D diagnostic trouble code?

To fix P233D: Check the integrity of the wiring and connectors of the control circuit. Measure the resistance of the fuel pressure regulator solenoid. Check voltage on control circuit. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P233D?

Yes, but get it checked soon

How much does it cost to fix P233D?

The estimated repair cost for P233D is $17–56. Actual cost depends on your vehicle, location, and labor rates.

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