What does code P0201 mean?

Q: What does code P0201 mean?

Injector Circuit Malfunction - Cylinder 1. P0201 means the engine computer has detected an electrical fault in the circuit that operates the fuel injector for cylinder 1. The computer monitors the injector driver circuit and sets this code when the current flow or voltage is outside the expected range, indicating an open, short, or excessive resistance in the wiring or injector itself.

DTC codes / P02xx · Fuel and air metering (injector circuits) / P0201

P0201Injector Circuit Malfunction - Cylinder 1

P0201 means the engine computer has detected an electrical fault in the circuit that operates the fuel injector for cylinder 1. The computer monitors the injector driver circuit and sets this code when the current flow or voltage is outside the expected range, indicating an open, short, or excessive resistance in the wiring or injector itself.

SystemPowertrain

Code typeGeneric (all makes)

SeverityMedium

Fix difficultyIntermediate

AreaFuel and air metering (injector circuits)

Guidance is general and written for all OBD-II vehicles. Exact tests and values vary by model, so confirm the fault before replacing parts.