P233AFuel Pressure Regulator C Control Circuit Open
The ECU detects an open circuit on the control line for the third (C) fuel pressure regulator. Either the regulator solenoid coil is internally open, the harness is broken, or the connector has lost contact - the ECU cannot drive the regulator and rail pressure cannot be controlled by this stage.
Can I keep driving? With caution
You can drive to the shop, but do not postpone the repair. The problem may worsen and damage other components.
Sistema Afectado
Motor · Powertrain
La falla pertenece al grupo motopropulsor (motor y gestión electrónica).
Espacio para vendedores de repuestos
Aún no hay un anunciante en este espacio.
Symptoms You Will Notice
What you may observe when this code appears
- Check engine light on Hard start
- no start
- or stalling under load Power loss especially at high load or rpm Possible long cranking time
Possible Causes
The components or conditions that trigger this code
- 1Open circuit in harness or connector Regulator solenoid winding open Pin pushed back out of connector body
How to Fix It — Step by Step
Recommended diagnostic and repair procedure
- 1Difficulty: medium. Estimated time: 0.6-2 hours. Estimated cost: €120-€
- 2DIY possible
Note: This information is for general reference. For precise diagnostics and safety repairs, always consult a certified mechanic.
Estimated Cost
Approximate range in USD (varies by region and shop)
Varies by diagnosis
* Diagnosis only: $50–$150
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