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TuningBot DTC Database · v4.37.15

P1440 Volvo - Evaporative emission system - leak detected (fuel cap loose/off)

Manufacturer-specific interpretation for Volvo. All interpretations of P1440

P · PowertrainEmissionsOBD2

What P1440 means

P1440
Evaporative emission system - leak detected (fuel cap loose/off) Volvo · emissions Data confidence 62%

The control module detected a leak in the Evaporative emission system during the system leak monitor. This is the manufacturer-specific definition used by Volvo.

Possible causes

  • Mechanical fault
  • hose connection(s)
  • EVAP pressure sensor
  • EVAP canister

Related and nearby codes

How to read P1440

P

Powertrain: engine, transmission and driveline systems.

1

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

440

Specific fault index within the subsystem.

Frequently asked questions about P1440

What does P1440 mean?

Evaporative emission system - leak detected (fuel cap loose/off). The control module detected a leak in the Evaporative emission system during the system leak monitor. This is the manufacturer-specific definition used by Volvo.

Is P1440 generic or manufacturer-specific?

P1440 is a manufacturer-specific code. In this database it is documented for: Volvo. The same number can mean something different on other brands.

Can TuningBot remove P1440 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 Volvo engines See the results →

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