P0200 Injector Circuit / Open — Causes & Fix

What Does P0200 Mean?

P0200 is the generic injector-circuit code, set when the ECU sees an open circuit or implausible current across the injector wiring as a whole rather than one cylinder. It usually points to a failed injector coil, loom damage or a driver-stage fault, and is often accompanied by the cylinder-specific P0201-P0208 codes that identify which injector is affected.

P0200 at a Glance

• What it means: The ECU has detected an open or implausible circuit across the injector bank.
• Most common cause: Injector solenoid open circuit
• Severity: Moderate to serious — rail-pressure faults cause power loss and non-starts.
• Can you drive?: Short distances in limp mode only. Diagnose promptly.
• Typical repair cost: £40-£150 for sensor/regulator work; £100-£350 per injector where back-leak is the cause.