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TuningBot DTC Database · v4.37.14

P1494 Chrysler - Evaporative emission (EVAP) leak detection pump - pressure switch

Manufacturer-specific interpretation for Chrysler. All interpretations of P1494

P · PowertrainEmissionsOBD2

What P1494 means

P1494
Evaporative emission (EVAP) leak detection pump - pressure switch Chrysler · emissions Data confidence 62%

The control module detected a condition consistent with a leak affecting the Evaporative emission (EVAP). This is the manufacturer-specific definition used by Chrysler.

Possible causes

  • Wiring
  • hose leak/blockage
  • EVAP leak detection pump

Related and nearby codes

How to read P1494

P

Powertrain: engine, transmission and driveline systems.

1

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

494

Specific fault index within the subsystem.

Frequently asked questions about P1494

What does P1494 mean?

Evaporative emission (EVAP) leak detection pump - pressure switch. The control module detected a condition consistent with a leak affecting the Evaporative emission (EVAP). This is the manufacturer-specific definition used by Chrysler.

Is P1494 generic or manufacturer-specific?

P1494 is a manufacturer-specific code. In this database it is documented for: Chrysler. The same number can mean something different on other brands.

Can TuningBot remove P1494 at file level?

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.

Other file services

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