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TuningBot DTC Database · v4.37.15

P1564 VAG - Diagnostic Trouble Code (2 interpretations)

Manufacturer-specific interpretation for VAG. All interpretations of P1564

P · PowertrainEngineOBD2

What P1564 means

P1564
Throttle control unit - voltage low during basic setting VAG · engine Data confidence 62%

The control module detected that the Throttle control unit voltage stayed below the expected range. This is the manufacturer-specific definition used by Audi.

Possible causes

  • Battery
  • wiring
Applies to Audi
P1564
Throttle Actuator (J338): Under - Voltage during Basic Setting VAG · engine Data confidence 84%

The control module detected a fault associated with the Throttle Actuator (J338): Under - Voltage during Basic Setting circuit or function; the stored code identifies the affected component rather than a single failure mode. This is the manufacturer-specific definition used by Volkswagen. Volkswagen Group tools also report it as fault code 17972. Documented across Volkswagen Group applications (Audi, SEAT and Škoda included).

Symptoms

Throttle Body Alignment (TBA) unsuccessful

Possible causes

Battery Voltage too Low

Recommended checks

Check Battery Voltage

Applies to Volkswagen

Related and nearby codes

How to read P1564

P

Powertrain: engine, transmission and driveline systems.

1

Manufacturer-defined range: the meaning can differ between brands.

564

Specific fault index within the subsystem.

Frequently asked questions about P1564

What does P1564 mean?

Diagnostic Trouble Code (2 interpretations). The control module detected that the Throttle control unit voltage stayed below the expected range. This is the manufacturer-specific definition used by Audi.

Is P1564 generic or manufacturer-specific?

P1564 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 P1564 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

ECU tuningStage 1 dyno results for VAG engines See the results →

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