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TuningBot DTC Database · v4.37.15

P1740 Volvo - Evaporative emission (EVAP) leak detection pump - no signal

Manufacturer-specific interpretation for Volvo. All interpretations of P1740

P · PowertrainEmissionsOBD2

What P1740 means

P1740
Evaporative emission (EVAP) leak detection pump - no signal Volvo · emissions Data confidence 62%

The control module did not receive the expected Evaporative emission (EVAP) leak detection pump signal. This is the manufacturer-specific definition used by Volvo.

Possible causes

  • Wiring
  • poor connection
  • EVAP leak detection pump

Related and nearby codes

How to read P1740

P

Powertrain: engine, transmission and driveline systems.

1

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

740

Specific fault index within the subsystem.

Frequently asked questions about P1740

What does P1740 mean?

Evaporative emission (EVAP) leak detection pump - no signal. The control module did not receive the expected Evaporative emission (EVAP) leak detection pump signal. This is the manufacturer-specific definition used by Volvo.

Is P1740 generic or manufacturer-specific?

P1740 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 P1740 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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