TuningBot DTC Database · v4.37.15
9 manufacturer-specific interpretations across 8 manufacturers in the TuningBot DTC database.
ChevroletThe control module detected a fault associated with the A/C System High Pressure circuit or function; the stored code identifies the affected component rather than a single failure mode. This is the manufacturer-specific definition used by Chevrolet.
ChryslerThe control module detected a fault associated with the A/C System High Pressure circuit or function; the stored code identifies the affected component rather than a single failure mode. This is the manufacturer-specific definition used by Chrysler.
MazdaThe control module detected an interruption (open circuit) in the Supercharger air control solenoid - short/ circuit, so the expected electrical continuity was not present. This is the manufacturer-specific definition used by Mazda.
MINIThe 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.
MitsubishiThe control module detected improper operation of the Radiator sensor. This is the manufacturer-specific definition used by Mitsubishi.
OpelThe control module detected improper operation of the AC refrigerant pressure circuit. This is the manufacturer-specific definition used by Opel.
SubaruThe control module detected a fault associated with the Vehicle speed sensor (VSS) - malfunction 2 circuit or function; the stored code identifies the affected component rather than a single failure mode. This is the manufacturer-specific definition used by Subaru.
VAGThe control module detected that the Vehicle speed signal stayed above the expected range. This is the manufacturer-specific definition used by Audi.
The control module detected that the Vehicle speed signal stayed above the expected range. This is the manufacturer-specific definition used by Volkswagen.
Powertrain: engine, transmission and driveline systems.
Manufacturer-defined range: the meaning can differ between brands.
Specific fault index within the subsystem.
Diagnostic Trouble Code (9 interpretations). The control module detected a fault associated with the A/C System High Pressure circuit or function; the stored code identifies the affected component rather than a single failure mode. This is the manufacturer-specific definition used by Chevrolet.
P1540 is a manufacturer-specific code. In this database it is documented for: Chevrolet, Chrysler, Mazda, MINI, Mitsubishi, Opel, Subaru, VAG. The same number can mean something different on other brands.
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.
Understand the system behind this code: Diagnostic Strategy and DTC Logic
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