TuningBot DTC Database · v4.37.15
Manufacturer-specific interpretation for Toyota. All interpretations of P1444
The control module determined that the Secondary Air Injection System Switching Valve did not change state as commanded and appears stuck. This is the manufacturer-specific definition used by Toyota.
Powertrain: engine, transmission and driveline systems.
Manufacturer-defined range: the meaning can differ between brands.
Specific fault index within the subsystem.
Secondary Air Injection System Switching Valve Stuck Open Bank 2. The control module determined that the Secondary Air Injection System Switching Valve did not change state as commanded and appears stuck. This is the manufacturer-specific definition used by Toyota.
P1444 is a manufacturer-specific code. In this database it is documented for: Toyota. The same number can mean something different on other brands.
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.
Understand the system behind this code: Secondary Air System
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