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TuningBot DTC Database · v4.37.15

P1542 VAG - Diagnostic Trouble Code (2 interpretations)

Manufacturer-specific interpretation for VAG. All interpretations of P1542

P · PowertrainEngineOBD2

What P1542 means

P1542
Throttle motor position sensor 1 - range/performance problem VAG · engine Data confidence 62%

The control module judged the Throttle motor position sensor 1 behaviour implausible for the current operating conditions. This is the manufacturer-specific definition used by Audi.

Possible causes

  • Throttle valve requires cleaning
  • wiring
  • throttle motor position sensor
Applies to Audi
P1542
Angle Sensor 1 for Throttle Actuator (G187): Implausible Signal VAG · engine Data confidence 80%

The control module judged the Angle Sensor 1 for Throttle Actuator (G187) signal implausible when compared with other operating data. This is the manufacturer-specific definition used by Volkswagen. Volkswagen Group tools also report it as fault code 17950. Documented across Volkswagen Group applications (Audi, SEAT and Škoda included).

Symptoms

Malfunction Indicator Lamp (MIL) active

Possible causes

  • Angle Sensors 1/2 for Throttle Actuator (G187/G188) faulty
  • Power Supply for Angle Sensors 1/2 for Throttle Actuator (G187/G188) faulty
  • Wiring/Connector(s) from/to Angle Sensors 1/2 for Throttle Actuator (G187/G188) faulty

Recommended checks

Check Angle Sensors 1/2 for Throttle Actuator (G187/G188)

Applies to Volkswagen

Related and nearby codes

How to read P1542

P

Powertrain: engine, transmission and driveline systems.

1

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

542

Specific fault index within the subsystem.

Frequently asked questions about P1542

What does P1542 mean?

Diagnostic Trouble Code (2 interpretations). The control module judged the Throttle motor position sensor 1 behaviour implausible for the current operating conditions. This is the manufacturer-specific definition used by Audi.

Is P1542 generic or manufacturer-specific?

P1542 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 P1542 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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