Fuel quantity adjuster - lower stop value
VAG · engine
Data confidence62%
The control module detected a fault associated with the Fuel quantity adjuster - lower stop value circuit or function; the stored code identifies the affected component rather than a single failure mode. This is the manufacturer-specific definition used by Audi.
The control module detected that the Quantity Adjuster (N146) value was below the expected limit. This is the manufacturer-specific definition used by Volkswagen. Volkswagen Group tools also report it as fault code 17971. Documented across Volkswagen Group applications (Audi, SEAT and Škoda included).
Powertrain: engine, transmission and driveline systems.
1
Manufacturer-defined range: the meaning can differ between brands.
563
Specific fault index within the subsystem.
Frequently asked questions about P1563
What does P1563 mean?
Diagnostic Trouble Code (2 interpretations). The control module detected a fault associated with the Fuel quantity adjuster - lower stop value circuit or function; the stored code identifies the affected component rather than a single failure mode. This is the manufacturer-specific definition used by Audi.
Is P1563 generic or manufacturer-specific?
P1563 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 P1563 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.