Hours: 07–23 daily

TuningBot DTC Database · v4.37.15

P1559 VAG - Diagnostic Trouble Code (2 interpretations)

Manufacturer-specific interpretation for VAG. All interpretations of P1559

P · PowertrainEngineOBD2

What P1559 means

P1559
Throttle control unit - basic setting malfunction VAG · engine Data confidence 62%

The control module detected improper operation of the Throttle control unit - basic setting. This is the manufacturer-specific definition used by Audi.

Possible causes

  • Accelerator pedal
  • starter motor operated during basic setting
Applies to Audi
P1559
Throttle Body (J338): Fault in Basic Settings VAG · engine Data confidence 80%

The control module registered the fault condition described as "Throttle Body (J338): Fault in Basic Settings". This is the manufacturer-specific definition used by Volkswagen. Volkswagen Group tools also report it as fault code 17967. Documented across Volkswagen Group applications (Audi, SEAT and Škoda included).

Symptoms

Not known

Possible causes

  • Idle Switch Open or Open Circuit
  • Throttle Valve sticks and won't close
  • Speed Impuls from Engine Speed Sensor (G28) recognized
Applies to Volkswagen

Related and nearby codes

How to read P1559

P

Powertrain: engine, transmission and driveline systems.

1

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

559

Specific fault index within the subsystem.

Frequently asked questions about P1559

What does P1559 mean?

Diagnostic Trouble Code (2 interpretations). The control module detected improper operation of the Throttle control unit - basic setting. This is the manufacturer-specific definition used by Audi.

Is P1559 generic or manufacturer-specific?

P1559 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 P1559 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 →

← Search the full DTC database