A/C Compressor Switch Open/Short
Hyundai · climate_control
Data confidence62%
The control module detected an open circuit or short circuit condition in the A/C Compressor Switch circuit. This is the manufacturer-specific definition used by Hyundai.
Pedal Position Sensor
MINI · engine
Data confidence62%
The control module detected a fault associated with the Pedal Position Sensor circuit or function; the stored code identifies the affected component rather than a single failure mode. This is the manufacturer-specific definition used by MINI.
Radiator outlet engine temperature (ECT) - signal variation
Mitsubishi · thermal_management
Data confidence62%
The control module detected a fault associated with the Radiator outlet engine temperature (ECT) - signal variation circuit or function; the stored code identifies the affected component rather than a single failure mode. This is the manufacturer-specific definition used by Mitsubishi.
Throttle valve control - malfunction
VAG · engine
Data confidence62%
The control module detected improper operation of the Throttle valve control. This is the manufacturer-specific definition used by Audi.
Possible causes
Throttle valve tight/sticking
wiring
throttle control unit
Applies toAudi
P1545
Throttle Valve Controller: Malfunction
VAG · engine
Data confidence84%
The control module detected improper operation of the Throttle Valve Controller. This is the manufacturer-specific definition used by Volkswagen. Volkswagen Group tools also report it as fault code 17953. 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.
545
Specific fault index within the subsystem.
Frequently asked questions about P1545
What does P1545 mean?
Diagnostic Trouble Code (6 interpretations). The control module detected improper operation of the A/C Clutch Relay Control circuit. This is the manufacturer-specific definition used by Chrysler.
Is P1545 generic or manufacturer-specific?
P1545 is a manufacturer-specific code. In this database it is documented for: Chrysler, Hyundai, MINI, Mitsubishi, VAG. The same number can mean something different on other brands.
Can TuningBot remove P1545 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.