Throttle motor position sensor 1 - range/performance problem
VAG · engine
Data confidence62%
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 toAudi
P1542
Angle Sensor 1 for Throttle Actuator (G187): Implausible Signal
VAG · engine
Data confidence80%
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)
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.