The control module detected an interruption (open circuit) in the Fuel Injection Air Control Valve circuit, so the expected electrical continuity was not present. This is the manufacturer-specific definition used by Volkswagen.
TuningBot DTC Database · v4.37.15
P1284 VAG - Fuel Injection Air Control Valve Circuit Open
Manufacturer-specific interpretation for VAG. All interpretations of P1284
What P1284 means
Related and nearby codes
How to read P1284
Powertrain: engine, transmission and driveline systems.
Manufacturer-defined range: the meaning can differ between brands.
Specific fault index within the subsystem.
Frequently asked questions about P1284
What does P1284 mean?
Fuel Injection Air Control Valve Circuit Open. The control module detected an interruption (open circuit) in the Fuel Injection Air Control Valve circuit, so the expected electrical continuity was not present. This is the manufacturer-specific definition used by Volkswagen.
Is P1284 generic or manufacturer-specific?
P1284 is a manufacturer-specific code. In this database it is documented for: VAG. The same number can mean something different on other brands.
Can TuningBot remove P1284 at file level?
If the fault logic lives in the ECU calibration, yes: our DTC Removal file service disables the specific fault entry. Checksum correction is not included: it is a separate, optional service. Not sure whether your case qualifies? Request a free assessment and our engineers will check your ECU file.
Other file services
Understand the system behind this code: Diagnostic Strategy and DTC Logic
