TuningBot DTC Database · v4.37.14
7 manufacturer-specific interpretations across 7 manufacturers in the TuningBot DTC database.
HondaThe control module detected improper operation of the Motor power inverter module - output circuit. This is the manufacturer-specific definition used by Honda.
Land RoverThe control module detected an interruption (open circuit) in the Evaporative emission (EVAP) canister purge valve circuit, so the expected electrical continuity was not present. This is the manufacturer-specific definition used by Land Rover.
LexusThe control module detected improper operation of the Secondary air injection (AIR) switching valve, bank 1 circuit. This is the manufacturer-specific definition used by Lexus.
SubaruThe control module detected that the Fuel tank pressure control system voltage stayed below the expected range. This is the manufacturer-specific definition used by Subaru.
ToyotaThe control module detected improper operation of the Secondary Air Injection Vacuum Switching Valve circuit. This is the manufacturer-specific definition used by Toyota.
VAGThe control module detected an interruption (open circuit) in the Exhaust gas recirculation (EGR) valve circuit, so the expected electrical continuity was not present. This is the manufacturer-specific definition used by Audi.
VolvoThe control module detected a leak in the Evaporative emission system during the system leak monitor. This is the manufacturer-specific definition used by Volvo.
Powertrain: engine, transmission and driveline systems.
Manufacturer-defined range: the meaning can differ between brands.
Specific fault index within the subsystem.
Diagnostic Trouble Code (7 interpretations). The control module detected improper operation of the Motor power inverter module - output circuit. This is the manufacturer-specific definition used by Honda.
P1440 is a manufacturer-specific code. In this database it is documented for: Honda, Land Rover, Lexus, Subaru, Toyota, VAG, Volvo. 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 and, where the ECU needs it, corrects the checksum too. Not sure whether your case qualifies? Request a free assessment and our engineers will check your ECU file.
Understand the system behind this code: EVAP System
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